John Deere 122 One-Row Cotton Picker (Effective Serial No.122L 101) Operator’s Manual Instant Download (Publication No.OMN97594)

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Y
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OPERATORS MANUAL
0 1 J A N 6 2
O M N 9 7 5 9 4
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To the purchaser
Your new cotton pteker was built to rigid
manufacturing standards. Material and work-
manship are the best. However, the machine
will serve you in only direct proportion to the
care you give it. How long it wtll last and con-
tinue its good work is a matter entirely in your
hands.
Location References. Right' and Left," '
Front and Rear refer to the operator's
Right ' or Left and Front or "Rear' when
facing the same direction machine is headed or
traveling. Serial number
The way you operate your cotton picker and the
care you give It have much to do with the service
and satisfaction you will get from it. This man-
ual has been carefully prepared and illustrated
to show you what to do and when to do it. It ex-
plains the adjustments that are built into the
machine and gives instructions on when and how to
make these adjustments. The information
given in this manual wlll afford a clear under-
standing of the fundamentals of cotton picker
harvesting. The best use of these fundamentals to
suit the conditions in which the machine is
operating is a responsibility that is completely
up to the operator.
You will find the serial number of your cotton
picker stamped on a plate located on the picking
unit just in front of water control valves. Write
this serial number in the place provided below
for handy reference later.
If you find you need information not covered in
this manual or if your cotton picker requires
special servicing, take advantage of the
facilities offered by your John Deere
dealer. He has trained mechanics, who are
kept informed on the best methods of servicing
and can give you prompt, know-how' ' se rviee
in the field or in his shop.
PICKERSERIALNo............. Date Purchased . .
..... ., 19 . . .
3
contents
Page Page
SPE CIFICATIONS . . . . . . .. . . . . . . . 3 Picking unit lift lever linkage on
DESCRIPTION ................. 4-6 530, 630, 730, 520, 620, and 720
OPERATION .................. 7-19 Tractors ................ 35
Controls on John Deere 2010, 3010, and Picking unit lift lever linkage on 50,
4010 Tractors .............. 7-8 60, 70, A, and G Tractors ..... 35
Controls on John Deere 530, 630, 730, Hydraulic circuit valve selector on
520, 620, 720, 50, 60, 70, A, and G 50, 60, 70, A, and G Tractors .. . 36
Tractors . . . . . . .. . . . . . . . . . . 8-9 Throttle linkage and throttle stop on
Know your cotton picker ......... 10 2010, 3010, and 4010 Tractors .. 36
Running-in the new cotton picker ... 10 Water control linkage ......... 36-37
Before -after operation cheeks and ad- Foot clutch linkage on 2010, 3010,
justments ................. lo and 4010 Tractors .......... 37
Starting the picker . . . . .. . . . . . . . 11 Foot brake linkages on 2010, 3010,
Transporting . . . . . ... . . . . . . . . . 11-12 and 4010 Tractors . . . . . . . . . . 37
Dumping the basket ............ 12 Main clutch linkage on 530, 630, 730,
Cold weather operation . . . . .. . . . . 13 520, 620, 720, 50, 60, 70, A, and
Safety suggestions . . . . . . . . . . . . . 13 G Tractors . . . . . .. . . . . . . . . 37-38
The fundamentals of mechanical cot- PTO clutch lever linkage on 2010,
ton picking . . . . .. . . . . . . . . . . 14 3010, and 4010 Tractors . . . . . . 38
Using picker in the field ......... 15-16 PTO clutch lever linkage on 530,
Before and after storage . . . .. . . . . 17 630, 730, 520, 620, 720, 50, 60, 70,
Tire size and inflation .......... 18-19 A, and G Tractors .......... 38
OPERATING ADJUSTMENTS ....... 20-41 Gearshift linkage on 2010, 3010, and
PICKING UNIT . . . . . . . . . . . . . . . 20-27 4010 Tractors . . . . . .. . . . . . . 39
Stalk lifters . . . . . .. . . . . . . . . . 20 Gearshift linkage on 530, 630, 730,
Spring fingers and grid bars . . .. . 21 520, 620, 720, 50, 60, 70, A, and
Pressure plates . . . . . . . . . . . . . 21-22 G Tractors . . . . . .. . . . . . . . . 39
Picking unit pressure trip clutch . . 22-24 Brake pedal linkage on 530, 630, 730,
Spindles and picker bars ....... 25 520, 620, 720, 50, 60, 70, A, and
Doffer . . . . ... . . . . . . . . . . . . 26-27 G Tractors . . . . . .. . . . . . . . . 39
Spindle moisteners ........... 27-28 Steering mechanism .......... 40
WATER SYSTEM . . . . . .. . . . . . . . 29-30 DRIVES . . . . . . . . . . . . . . . . . . . . 40-41
Séleetive moisture control ...... 29-30 Picking unit slip clutch ........ 40
PICKING UNIT CONTROLS . . . . . . . 30-33 Picking unit and fan drive belts . .. 41
Speed of picking unit drop . . . . . 31 TRACTOR ENGINE SPEEDS . . . . .. . . 41-42
Picking unit stop screw ........ 32 LUBRICATION AND PERIODIC SERV-
Height of lift adjustment . . ... . . . 32 ICE . . . . . . .. . . . . . . . . . . . . . . . 43-52
Picking unit balance spring . . ... . 33 TROUBLE SHOOTING . . . . . . . . . . . . 53-61
Picking unit stabilisers ........ 33 REMOVING AND ATTACHING PICKER 62-94
CONTROLS AND LINKAGES . . . . . . 34-40 SERVICE . . . . . ... . . . . . . . . . . . . . 95
Picking unit lift linkage on 2010, Spindles and picker bars . . . .. . . . . 95-97
3010, and 4010 Tractors ...... 34 Doffers .................... 97-98
Basket lift lever linkage on 2010, Moisteners . . . . . . .. . . . . . . . . . 98
3010, and 4010 Tractors . . . . . . 34 ATTACHMENTS . . . . . . .. . . . . . . . . 99-100
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BASKET ID
DISCHARGE DUGT
COTTON SUCTION DUCTS
BASKET '
STALK LIFTERS
P GKING UNIT
John Oeere I22 Coffon Picker and J0I0 "lractor
6
specihcations
SPEEDS (APPROX.) Picker Drums . . . . . .. . . .
. . . . . 112 rpm Spindles ..................
2883 rpm
PERFORMANCE Will Pick . .. 36 -, 38-, 40-, or 42
-Inch Rows
GROUND SPEEDI Picking Speed . . . . ... . . . . .
. . 2-1/2 mph Transport Speed ........... 9to12
mph Reverse Speed .......... 11- /t2o2 mph
TRACTORS
John De e re 2010 Tractor with single or dual
hydraulic system, single remote cylinde r con-
trol with breakaway coupling, single or dual
front whe e1s, Powe r Takeoff and Power Stee r-
ing. Tire sizes as recommended on page 18.
CAPACITIES Cotton Basket ..... 1,200 Lbs. feed
Cotton Wate r Supply Tank ....... 40 U.S. Gallons
SHIPPING WEIGHT Picker Alone, Approx. . . . . ..
. . 4,135 Lbs.
John De ere 3010 and 4010 Tractors with rear
rockshaft, single or dual remote c ylinde r con-
trol valve with breakaway coupling. Single or
dual front whee1s and Power Take -off. Tire sizes
as recommended on page 18.
DIMENSIONS Length, Ove r-All . . . .... . . . .
18 Ft., 8 In. Width, Over -All .... ...... 9
Ft., 7 In. HE IGHT Basket Lowered . . . .... . .
. . l3Ft., 10 In. Basket Raised . .......... 17
Ft., 7 In.
John Dee re 530, 630, 730, 520, 820, 720,
50, fi0, 70, A, and G Tractors with rear
roexshaft, single or dual remote cFlinde r
control, single or dual front whee Is, 540 or
1000 rpm trans - mission driven or engine driven
Power Take - oIt. Tires sizes as recommended on
page 18. Exte rnal speed changer cannot be used
on PTO.
PICKINGUNIT No. or P icke r Drums ...............
2 No. of Picker Bars Right-Hand Drum
............... 12 Left-Hand Drum . . . . . .. .
. . . . . . . . 12 No. of Spindles Per Picker
Bar ................ 14 Total .
..................... 338
(Specificalions and design subje cl to change
without Police.1
7
description
Picking Drum

• The No. 22 is a practical one-row cotton
  picker. The operating costs are low. It is easy
  to handle and transports fast. Attaching and de-
  taching can be done quicklywithout costly trac-
  tor conversion.
• The picker consists of three basic elements.
• One-Row Picking Unit
• Platform and Controls
• Fan Delive ry System and Basket
• These three basic components are mounted in such
  a way that the tractor operates in re- verse
  gear during the picking operation. For
  transporting, the picker is driven from the trac-
  tor seat, using the regular tractor forward
  speeds. However, on 2010, 3010, or 4010 Trac-
  tor, the picker may be transported from the op- e
  rators platform at transport speeds.
• Picking unit
• The heart of the picker is the highly efficient
  spindle-type picking unit. There are two drums
  of spindles. Each drum consists of 12 cam-con-
  trolled spindle columns with 14 spindles on each
  column.

Sp in dl e co 1emu
Doffer
There is a doffer assembly for each spindle drum
to unwind the cotton from the spindles and
deliver it to a chute in the side door. Each as-
sembly consists of a shaft with 14 aluminum alloy
doffer plates that have rubber doffers molded to
the plates.
8
descHption s
How the picking unit works
Knowing what is going on inside the picking unit
will be a great help to you. It will give you a
better understanding of the capabilities and
limitations of a mechanical cotton picker. You
will also know why certain adjustments are
necessary and when to make the adjustments.
MOISTENER PAO
The illustration below shows what happens during
the picking cycle. At A the spindles go under
the moisteners and are cleaned of lint, plant
sap and stain by a film of water.
Next the cleaned spindles start through the grid
bars at ''B. The speed of the spindle drums
1s synchronized with the picking speed of the
tractor (2-1/2 miles per hour) so the spin- dles
have no forward or backward motlon In relation
to the cotton plant. The rotating spindles simply
poke straight into the cotton plant and then pull
straight back. Because of this, the spin- dles
can brush past unopened boils and the stalks,
leaving them undamaged.
Koisfener There is also a spindle moistener
column for each spindle drum. The moistener
pads wipe each spindle with water to keep it
clean, for a better job of picking cotton.
The stalk lifters guide the cotton plant into the
picking zone of the unit where the grid bars and
pressure plates take over to hold the plant in
position for picking.
9
s description At C ' the spindles are all the
way out and wrap the cotton fibre onto the
spindle barbs. Then the spindles move back
through the grid bars, pulling the cotton out of
th.e open bolls and through the grid bars as
shown at 'D.'
The fan has spiral- shaped blades so the cot- ton
is handled with the least amount of damage to
the seed.
The big-capacity basket will hold 1,200 pounds of
seed cotton so you will have to dump it fewer
times during a day. Two powerful double-acting
hydraulic cylinders raise and lower the basket
for dumping. The lid opens and closes automati-
cally as the basket is raised and
lowered. Platform and controls
At ''E' ' the cotton is being removed from the
spindles by the doffer. The spindles move back-
wards under the doffer plates so the doffer
pads can unwind the cotton from the spindles. Fan
delivery system and basket
DI SCHARGE DUCT FAN
BASKET ID
A powerful double-rotor fan provides indi-
vidual suction for each picking drum. The cotton
1s sucked out of the plcking unit through suction
ducts to the fan and then is blown into the
basket.
You are right on top of the picking operation
when at the controls of the 122 Cotton Picker.
You are up high out of the dust and dirt and
have maximum vis ibility of everything that is
going on. All controls are within easy reach.
Just make a couple of trips up and down a field
and you will be perfectly at home on this cotton
picker.
Fan rotoi
10
operation
Controls on John Deere 2010, 3010, and 4010
tractors Brakes
Individual foot-operated brakes make possi- ble
short turns either to the right or left. If the
cotton picker is transported from the operator's
platform, apply the brakes evenly to avoid
pulling the picker to one side. Gearshift
lever The ge arshift lever is located at the
left-rear of the operator's seat. It is
connected directly to the tractor gearshift lever
and is designed so that all tractor gears can be
obtained from the platform. The gear position for
picking, revers- ing and transporting are as
follows
BAS KET LI FT LEVER
LEVER
Tractor Gear Used Tractor Gear Used Tractor Gear Used
2010 P ice ing Revers ing T ron sporting
2010 2-LowRe- R verse lstor 2nd Gear 4- Middle Reverse R or 6 High Reverse R
3010 or 4010 3 -LowRe- R verse lstor 3rd Gear 5- Middle Reverse R or R- High Reverse
Thereartratorontrosareusedfor starting the
tractor engine. These controls are described in
your tractor operator's manual. The controls that
are peculiar to the operation of the 122 Cotton
Picker are described here.
The controls for operating the cotton picker in
the field are located on the operator's plat-
form, within easy reach of the operator. Thehigh,
roomy platform provides a good view of the pick-
ing unit and the cotton row.
YEAH SH I FT LEVER l, I N KAGE
Throttle lever The throttle lever is located to
the left of the operator's seat. Pushing the
lever forward in- creases the engine speed, and
pulling it back decreases the engine speed.
A throttle stop immediately behind the lever
determines the maximum engine speed. When
operating in the field this stop must be set so
the tractor engine is operating at the proper
speed. See pages 41 and 42 for setting engine
speed.
GEAR POSIT 10 N
Illus troted on 30 10 Trocto r
If desired the picker may be transported from the
tractor seat using the tr actor regular forward
gears.
11
8 one otio/t
Clutch The clutch pedal is connected directly to
the tractor clutch pedal.
Basket lift lever The basket lift lever, the
outer lever on the right side of the operator's
seat, controls dump- ing and lowering the basket.
To dump the basket push the lever forward and to
lower the basket push the lever rearward. Picking
unit stop screw
PTO clutch lever The PTO clutch lever, located to
the left of the operator's seat, is used to
engage or disen- gage the power to the picking
unit. Pushing the lever forward engages the PTO
or pulling the lever rearward disengages the
PTO. The PTO clutch lever is also used to turn
on and off the water supply through a direct
linkage to the water control valve.
Picking unit lift lever This lever, located on
the r Ight of the oper- ator's seat, is used to
raise and lower the pick- ing unit. By means of
thls lever the tractor hy- draulic system is used
to set the picking unit 'on the go at any
desired height, within the range of the lifting
mechanism.
The picking unit stop screw determines the
minimum height at which the picking unit can be
lowered. Once the stop screw is adjusted for the
cotton being picked, the unit can be returned to
the same picking position upon re-entering the
cotton row.
Controls on John Deere 530, 630, 730, 520,
620, 720, 50, 60, 70, A and G tractors
BASKET LI FT LEVER
The controls for operating the cotton picker in
the field are located on the operator's plat-
form. The high, roomy platform provides a good
view of the picking unit.
GEAR SH IFT EVER
Throttle lever The throttle lever is located on
the left of operator's platform and is
connected directly to the tractor speed control
lever. Pushing the lever forward increases the
engine speed, pulling it back decreases the speed.
PI SKINS U N IT LIFT LEVER
POWERS HAFA
When the cotton picker is mounted on a trac- tor
with a transmission-dr iven power shaft, an-
other linkage is hooked up to this lever to
turn on the supply of water to the picking unit
when the throttle is opened.
BRAKE PEDALS"
Brakes Individual foot-operated brakes make
possi- ble short turns to the right or left. To
assure safe stops at high transport speeds, apply
the brakes evenly to avoid pulling the picker to
one s ide.
The regular tractor controls are used for
starting and transporting the cotton picker.
These controls are described in your tractor
operator's manual. The controls that are pe-
culiar to the 122 Cotton Picker are described
here.
12
operation 9 Basket lift lever (530, 630, 730,
520, 620, and 720 tractors only) This lever,
located on the left side of the operator's
platform, is used to raise and lower the basket.
To raise the basket move the lever up to lower
the basket move the lever down.
Gearshift lever The gearshift lever controls
the tractor transmission speeds. One speed
forward and one speedin reverselsavallableonthecot
tonplcker' operator's plaflorm. When
transporting, this lever 1s disconnected ard
the normal tractor speeds are available.
Picking unit and basket lift lever (50, 60, 70,
A, and G tractors only) This lever, located on
the right of the oper- ator's platform, is used
to raise and lower the picking unit and dump
the cotton basket. By means of this lever the
tractor hydraulic sys- tem is used to set the
picking unit at any de- sired height within the
range of the lifting mech- anism, and also empty
the cotton basket.
Geors Used Geors Used
Picker Forward Picker Reverse
530, 630, 520, 50, 60, 70, A, and G . . . . .. . . . . . 730 and 720 .......... 630, 620, and 60 with Spe- cial Reverse Gears . ... 70 with Special Reverse Gears . ........... Reverse Reverse Fourth Fifth First Second First First
Hydraulic circuit selector lever (50, 60, 70, A,
and G tractors only) This lever, on the
left-hand side of the oper- ator's seat,
determines the path of oil now In the hydraulic
system. When the lever is up,only the tractor
roekshaft can operate to raise and lower the
picking unit. When the lever is down, the basket
is raised as the picking unit is raised, and the
basket lowered as the picking unit is lowered.
When lowering the basket, hold the picking unit
and basket lift lever down until the relief valve
opens (the valve will ' 'chatter when open).
Then pull the selector lever up and re- turn the
lift lever to neutral position. Never let the
relief valve operate for more than a few
seconds. The picking unit has to be raised before
transporting.
Main clutch lever The main clutch lever is
located on the right of operator's platform. It
is operated in the same manner as the regular
tractor clutch lever to connect and disconnect
the engine with the trans- mission.
On tractors with transmission-driven power
take-off, the main clutch lever also controls the
tractor power take-off, which operates the pick-
ing unit. The powershaft shift lever on the trac-
tor must be engaged first. Powershaft clutch
lever This lever, on the left-hand side of the
seat, is used only when the tractor has an
engine- driven powershaft.
Picking unit stop screw
The lever engages the tractor power take-off
clutch to operate the picking unit, and also
turns on the water supply to the picking unit.
Picking unit lift lever (530, 630,
730, 520, 620, and 720 tractors only) This lever,
located on the right of the oper- ator's plaUorm,
is used to raise and lower the picking unit. By
means of this lever the tractor hydraulic system
is used to set the picking unit on the go at
any desired height within the range of the
lifting mechanism.
The picking unit stop screw determines the
minimum height at which the picking unit will
operate. Once the stop screw is adjusted for the
cotton being picked, the unit can be returned to
the same minimum picking height upon re-enter-
ing the row.
13
10 operation Know your cotton picker
2. Listen for any unusual noises in the picking
unit. If any irregular noises occur , stop
the picker immediately and determine the cause.

1. Periodically, check the engine oil pres- sure ,
   temperature, and battery charging rate.
2. After the eight-hour run- in period has been
   completed, cheek the entire machine for loose
   bolts , belts , etc.

Before-operation checks and adjustments
BeJore starting to pick cotton, read this
manual. The information in it is the result
of years of experience in the design and
operation of me ehanical cotton pickers. We want
you to be happy with your new John De ere 122
Cotton Picker. We know it will do good work for a
long time if operated and adjusted properly.
This manual tells you how to get the splendid
per- formance and long life out of the picker
that has been des igned and built into it.
Careful inspection of the cotton picker and
tractor before starting work each day will
prevent needless delays and breakdowns in the
field. Make the following checks and adjustments.
Breaking in the new cotton picker It has been
recommended that the dealer run- in your new
cotton picker Jor eight hours prior to the
delivery. If the run- in has not been com-
pleted, we recommend that it be done as follows.
Make sure the entire machine has been lubri-
cated, regardless of the lubrication interval.
1. Make the usual before- operation eheeks of
the tractor. See your tractor operator's
manual for detailed instructions.
2. Wash out the area around the doffers and
moistene rs . Sand lodged in the fluted moistener
pads will cause excessive spindle wear.

1. Check the grid bars. If necessary, adjust their
   position between the rows of spindles to prevent
   wear. See page 21.
2. Lubricate the cotton picker. See the in-
   structions on pages 43 through 52.

1. With the engine running at about half throt-
tle, engage the PTO clutch lever. After
about 10 minutes, speed up the engine to full
throttle.

1. Fill the water supply tank. Use a wetting agent
   if desired. (See page, 14.)
2. Inspect fan belt and drive chain for proper tens
   ion and alignment. Be sure there are no ioose
   bolts or missir.g netter pins.

14
Starting the picker 2010, 3010, and 4010 Tractors
Adjust the picking unit stop screw, shown be-
low, so the bottom of the picking unit will be
at least an inch from the ground when operating
in the field. If crop conditions permit, the unit
should be operated even higher to permit the
spindles to work as far from the soil as
possible. Transporting
Start the tractor engine and advance the
throttle approximately one-third. Slowly engage
the foot clutch to set the picker in
motion. Push the PTO clutch lever for engaging
the PTO to start the picking unit, This also
turns on the water supply to the picking
unit. Tractors with direct engine-driven
powershaft (except 2010, 3010, and 4010) Start
the tractor engine and open the throttle
approximately one-third. Pull the gearshift
lever toward the seat (see page 8) and slowly
engage the main clutch to set the picker in mo-
tion. Engage the power shaft clutch lever to
start the picking units. (This will also turn
on the supply of water to the picking
unit.) Tractors with transmission-driven
powershaft Start the tractor engine and open the
throttle approximately one-third. (The throttle
lever also turns on the water control valve.)
Pull the gear- shift lever toward the seat
(see page 8) and slowly engage the main clutch
to set the picker in motion. This will also start
the picking units.
Raise the picking unit to the highest position
and turn the stop screw down to lock the picking
unit in the raised position.
NOTE If you want to run the picking units
without mcmlng the tzactoz, leave the geazshift
lniez In neutral and engage the main clutch. All
tractors
On all tractors except 2010, 3010, or 4010
Tractor, remove the spring locking pin and pin
that holds the gearshift linkage to the clamp on
the tractor gearshift lever. Also on Model A
Tractor, disengage the throttle linkage and hook
it in the notch in the steering shaft bracket.
Let the picking unite run and open the two water
metering valves wide open to allow water to flow
through moisteners. After making sure that water
is reaching all moistener pads, turn the valves
back to the No. 4" position. If the selective
moisture control system is being used, close the
water metering valves.
15
12 oferation
Dumping the basket
TELESUOPING ST EER I NC SHAFT
On 530, 630, or 730 Tractors, slide the tele-
scoping steering shaft off the stub shaft on the
steering wheel. Place the steering shaft on the
fan frame as illustrated.
Stop the picker and have trailer or truck stop on
the left-hand side of the picker. Be careful not
to strike the left-hand suction duet guard.
The cotton picker is now ready for transports
ing. When transporting with the 2010, 3010, or
4010 Tractor, operate the picker from the oper-
ator's platform using either the tractor's middle
or high reverse gear. On all other tractors the
tractor is operated normally from the tractor
seat, using the regular forward gears.
2010, 3010, or 4010 Tractor Move the basket lift
lever (outer lever to the right of the operator's
seat) forward to raise the basket and rearward to
lower the basket. Be sure the lever returns to
neutral or centered position when the basket is
down. 530, 630, 730, 520, 620 and 720
tractors Move the basket lift lever (behind
left-hand side of operator's seat) to the ' 'Up
position to raise the basket and to the 'Down'
position to lower the basket. Be sure the lever
returns to neutral position when the basket is
down.
Traveling on the highway
50, 60, 70, A, and G tractors Move the
hydraulic circuit selector lever "DOWN.' The
basket will raise as the picking unit is
raised. Do not have the throttle over half-open
when raising the basket, The picking unit has to
be raised before transporting.
When the cotton picker 1s being moved along a
highway keep as far to the right as possible.
When traveling on a public road at night or dur-
ing periods of low visibility, be sure the cotton
picker has proper lights, including a warning
lamp at the extreme left-hand side. Warning
lamps have been made available for installation
on your tractor. These lights will warn other
drivers that you are traveling on the roadthus
protecting you and others from injury or possi-
ble death. See your John Deere dealer about the
equipment he has available.
After the cotton has been dumped out of the
basket, lower the basket by holding the picking
unit and basket lift lever down until the relief
valve opens (the valve will "chatter" when open).
Then pull the selector lever up and return
the lift lever to neutral position. Never let
the re- lief valve operate for more than a few
seconds. CA UTION Never drive the picber north
the basket raised.
16
operation J3 Safety suggestions The safety of
the operator was one of the prime considerations
of John Deere engineers when this cotton picker
was designed. Proper shielding, convenient
controls, simple adjust- ments, and other safety
features have been built into the cotton picker
for your protection.
Cold weather operation Special preparations must
be made to operate a cotton picker when the
temperature is below 32 F. If these
preparations are made properly, the picker will
give just as good service as when operating in
warm weather.
Tractor Prepare the tractor for cold weather
oper- ation, according to the instructions
in your tractor operators manual, Pay
particular at- tention to the preparation of the
cooling system, crankcase, air cleaner, and
battery.
However, investigation of thousands of farm
accidents show that careless use of farm ma-
chinery causes nearly one-third of all farm
accidents. You can make your farm a safer
place to live and work if you observe the safety
suggestions given below. Insist that they be fol-
lowed by those working with you and for you.
Water supply tank In freezing weather, remove
the strainer bowl from the bottom of the tank
and drain the entire water supply system at
night. Then re- fill it before the next day's
operation.
Alt machinery should be operated only by those
who are responsible and have been delegated to
do so. Dnly the operator should be allowed on
the tractor or picker when the cotton picker is
in motion.
Don't apply the brakes too quickly when
traveling over rough ground. Never operate the
picker close to the edge of a ditch or creek. Do
not oi1, grease , or adjust the picker when it is
in motion. Refill the radiator only when the
engine of the tractor is idling. Be careful of
steam pressure back of the radiator cap to avoid
being scalded when the cap is removed. Observe
additional safety precautions in- cluded in
tractor operator's manual. Replace badly frayed
or worn belts before they break. When moving on
a highway, keep as far to the right as possible.
Hang a red flag prominently on the rear of the
cotton picker when transporting during the day.
Never transport at night unless the cotton
picker is equipped with lights and they are in
good work- ing order.
17
1 4 operation The fundamentals of mechanical
cotton picking

• setting agents are used watch for spindle cor-
  rosion. If corrosion is detected, use a
  different uetting agent or operate picber
  uiithout a mel- ting agent.
• The ideal picking condition is when the cotton
  boils are well open, clean, and fluffy.
• Defoliation is recommended to get greater
  picking efficiency, cleaner cotton, and less
  leaf and trash, resulting in a better grade of
  cotton.
• The proper harvest date depends almost entirely
  on crop and we ather conditions.

Successful mechanical cotton picking re-
quires a thorough understanding of the funda-
mentals of cotton picking and intelligent use of
the cotton picker to meet the conditions in the
field be ing picked.
7. The ground should be firm ,enough to
provide good traction without excessive wheel
slippage. This is important because the speed of
the picking mechanism is accurately timed with
the forward ground speed of the picker. Wheel
slippage re duces ground tr avel, destroy- ing
the synchronization between picking speed and
ground speed, which can cause the stripping of
unopened green bolls and excess lve plant
mutilation.
These fundamentals , in brief, are
1. The mature open bolls must be selected and
picked cleanly while the immature bolls and
plants are felt undamaged.
2. Cotton bolls seldom ripen and open all at one
time. Therefore, a field is normally picked two
or three times before the entire field is
harvested.
8. Proper preparation of cotton fields for
meeiianieal harvesting will mean less trouble
and more profitable operation. Fields should
be kept clean and free from roots, stones,
bricks, and other foreign material.
3. The use of a wetting agent in the water will
distribute the water more evenly on the
spindle. Also, less water will be required.
9. Do a good job of cultivating. Weeds and grass
do not affect the mechanical operation of a
spindle -type cotton picker but will cause more
trash and foreign material to be mixed with the
cotton in the basket, making it more difficult
to gin, usually resulting in a lower grade.
NOTE We re commend the use of JohnDeere uetting
agent. It is available in 5-gallon cans as AU
112 and 1-gallon cans as AN309T5. If other
18
Using picker in the field
The degree of satisfaction from this cotton
picker depends upon the carefulness and alert-
ness of the operator. Once the picker has been
adjusted to meet the crop condition, the rest is
up to the operator.
ing cotton bolls may be missed, but most owners
of mechanical cotton pickers realize that the
small amount of additional cotton saved will not
offset the cost of the additional wear on a pick-
ing unit operated close to the ground.
An operator who chooses to run the picking unit
on or very near the ground should do so with the
full knowledge that he is greatly de- creasing
the life of the spindles and all the other
working parts of the picking unit because of the
greatly increased amount of abrasive dirt that is
picked up.
n't o ptovv- Stoq ou of the dirt!
Approach a row of cotton so the cotton enters the
center of the picking unit. Engage the picking
unit drive in time for the unit to be operating
at full speed when it encounters the plant.
We recommend picking cotton in lands of 20 to 30
rows. Operate the picker so the left-hand wheel
runs in cotton that has been picked.
Watch the quality of the cotton being picked. If
you are getting too much dirt and trash, you may
be operating the picking unit too low. Make sure
the cotton in the basket is not too wet. Allow
the dew to dry before starting to pick in the
morning. Wet cotton is difficult to gin,
which can result in lower grades. If water is
required, use only enough water to keep the
spindles clean. Use a wetting agent. (See pages
27-28 for more information about the spindle
moisteners.)
Wo t c h out for b r i c k s !
Watch the kind of a picking job that is being
done. Too much cotton may be missed. The
picker may be dropping open bolls or knocking
off green bolls. The cotton may be just getting
tagged instead of picked cleanly.
Keep watching for stones, bricks, and other
foreign objects. Running a brick through a pick-
ing unit can cause severe damage.
Raise the picking unit to the highest position
when turning at the end of a row. Also raise the
picking unit whenever it is necessary to back up
in a cotton field.
If any of these faults are noticed, stop the
picker, find the cause of the trouble, and make
the necessary adjustments. The trouble shooting
chart on pages 53 through 61 is your key to
better picking. It is a quick, easy guide to
pick- ing troubles and their correction.
AdJust the picking unit stop so the bottom of the
picking unit will be at least one-inch above the
ground. If crop conditions permit operate the
unit even higher so the spindles work as far as
possible from the abrasive soil. Some low-hang-
19
16 oferation
Each time the basket is dumped, open the doors
on the picking unlt. Cle an off the mud, caked
dirt, sticks, and trash from the inside of the
doors and rod grates at the rear of the unit.
This will allow clear air to be drawn through the
suction door screens into the cotton instead of
dirt and trash from inside the unit.
Inspect the fan rotor, the inside of the fan
housing, and discharge duet once a day. Clean out
any dirt, trash, or plant sap that has
accumulated.
Always use clean water in the moistening sys-
tem to prevent clogging the water lines.
Keep in mind that there are many complicating
factors in the picking of cotton. Some of them
can be eliminated by having your picker in good
con- dition and adjusted properly. Other factors
can be handled by a skillful, alert operator.
Never tramp or pack the cotton in the basket.
This will work trash and dirt into the cotton,
lowering the grade.
Never open the throttle more than halfway when
raising the basket.
The ultimate of 100 picking of cotton that will
be given the highest grade at the gin can never
be reached. Cotton ripens unevenly. Weather
changes between pickings can affect both the
grade of cotton and ease of picking.
Keeping the amount of dirt and trash in the
basket to a minimum means you will have to miss
some of the low-hanging bolls. Another factor to
consider is depreciation of your picker. Scrap-
ping low-yield cotton may cost you more in the
way of wear and tear on the picker than the
cotton is worth.
Your objective is to pick the most high-grade
cotton at the lowest possible cost. Your
John Deere 122 Cotton Picker will achieve that
goal better than any comparable picker on the
market.
DonI d ri v e w iI h 4he bas k et ra is ed !
Never drive the picker with the basket
raised. You eoul d tip over the picker very eas
ily.
SAFETY FIRST NEVE R ATTEMPT TO ADJUST THE COTTON
PICKE R WHEN IT IS RUNNING.
20
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operation 17 Before and after storage Preparing
picker for storage Preparing picker for use
The picker must be taken out of storage and
carefully checked belore starting the harvest
season. By making sure your picker is in tip-top
shape, you can avoid costly breakdowns during the
harvest season.
When the cotton picking season is finished, the
picker should be stored untfl the next season.
Follow the suggestions on this page to be sure
your picker 1s ready to go when the next season
starts.
1. Clean the picker thoroughly inside and out.
1. Clean the picker thoroughly inside and out.
Leaf trash, lint, and dirt will hold moisture and
rust the steel.
2. When assembling picker on tractor and the
drive belts are installed, be sure they have the
proper tension, see page 41.
2. Clean off the lint around the spindles.
3. Check all bearings, picker bars, cams,
spindle bearings, doffers, and moisteners.
3. Remove the fan belt. Clean the belt, wrap In
burlap, and store in a cool, dry place.
4. Lubricate picker completely, then run ma-
chine at half speed for about an hour. Cheek
bear- ings for overheating or excessive looseness.
4. Clean out picking unit thoroughly.
5. Lubricate picker completely. Fill bear- inqs
with grease. Grease the threads on bolts used for
adjustments, especially the foRez ad- justing
screws.
5. Check tractor tire inflation. See pages 18 and
19 for proper inflation pressure.
6. Flll the picker bars with spindle lubri- cant.
Run the picking unit 5 minutes to thoroughly
lubricate all moving parts. Stop the unlt and
refill all picker bars. NOTE. Do not run unit
after final lubrication.
6. Go over complete picker and see that all bolts
are tight and cotters are in place.
7. Check all adjustments to be sure machine is
ready to pick cotton.
7. Thoroughly clean out water tank and coat
interior with oil or rust preventive.
SAFETY FIRST Every operator must cooperate fully
in the shielding of rotating powershafts- an
exposed powershaft can be deadly.
8. Paint all parts from which paint has worn.
9. Support picking unit on blocks.

1. If picker is stored outside, block under main
   Jrames and brace picker substantially to prevent
   tipping. Cover the picking unit.
2. List the repair parts that will be needed before
   next season and order them early. Your John Deere
   dealer can give better service during the off
   season, and once parts are received they can be
   installed in your spare time without delays at
   harvest time.

22
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