John Deere 699 Cotton Picker Operator’s Manual Instant Download (Publication No.OMN159322)

1
JOHN DEERE
699
Y
C
D
COTTON PICKER
OPERATORS MANUAL JOHN DEERE 699 COTTON
PICKER OMN159322 A3 English
A 3
O M N 1 5 9 3 2 2
JOHN DEERE DES MOINES WORKS OMN159322 A3
LITHO IN THE U.S.A. (REVISED) ENGLISH
2
To the Purchaser
This new cotton p Ocker was carefully aesigneo an
a manufactured to give years of dependab/ e
service. To keep it running effic Gently, read
the instruct ions in this operator's manual. Each
sec tion is clearly Identified so you can easeIy
find tne information you need wheth er it is
description, controls and instruments, operation
, operating adjustments, fuels and lubri- cants,
Iubricat on and period!c service, trouble shoot-
ing, service, attach ments or spec ifications.
Read the Tab Ie of Contents to learn where each
is located. Use the alpnabetical Index for fast
reference. Right-hand and left-hand side is
determined by facing the direction the cotton pic
ker will travel wnen in use.
Record th e serial numbers in the space provided
on page 09. Your dealer needs this information to
give you prompt, efficienI service when you order
parts or attac hments. II your cotton plc ker
requires replacement parts, go to your Joh n
Deere dealer wh ere you can obtain Genuine Jonn
Deere parts- accept no substitutes. The warranty
on this cotton picke appears on you r co py of
the purchase order wnich you shoul d have
received from your deader when you purchased the
cotton picker. This safety alert symbol
identifies important safety messages in this
manuaJ. When you see this symbol, be alert to the
possibility of personal inju- ry and carefully
read the message that follows.
3
Contents
1
Page
Identification View 2
Description 3-5
Controls and Instruments 6-12
Operation 13-26
Safety Suggestions 2 7-28
Operating Adjustments 29-49
Fuels and Lubricants 50-53
Lubrication and Periodic Service 54-76
Trouble Shooting 7 7-90
Service 91-99
Attachments 100-103
Specifications 104-109
Index 110-112
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John Deere 699 Cotton Picker with Operator's Cab
6
Description
The heart of the p icker is th e two s
pindle-type pick- ing units. There are two drums
of spindles per pic king unit. The front drum
consists of 16 cam-controlled pic ker bars, and
the rear drum consists of 12 cam- control led
picker bars. Each picker bar, has 14 spin- dles
(low dr um unit) or 20 spind les (high drum unit)
. Th us th e low drum unit has 784 and the high
drum unit has 1120 individual barbed spindles
that pick cot- ton from the plants.
The 699 is a two-row self-propelled cotton pic
ker. The machine has four basic components
fvfOlSTENER PAD

1. - Picking units.
2. - Suction jet conveying system and basket.
3. - Operator's platform and controls.
4. - Propelling mech anism.

DOFFER FLATE
PICKING UNITS
Mois ten er
Do ffer
A doffer assembly on each picking drum, unwinds
the cotton from the spind les and delivers it to
the ch ute in the doo r. Each assembly consists
of a sh aft with 14 (low drum unit) or 20 (high
drum unit) alum i- num alloy doffer plates with
ru bber doff ers m olded to ea ch plate. A
moistener colum n for each pic king drum wipes ea
ch spindle with water, to keep it clean.
Stat k lifters gu ide the cotton plant into the
picking zon e where grid bars and pressure plates
hol d the plant in position for picking.
Low-Drum Front Picking Drum
Pick er Bar
7
4 Description
How the Picking Units Work Knowing what is going
on inside the pic king units will give you a
better understanding of the capabilities and
limitations of a mechanical cotton pic ker. You
will also know why certain adjustments are
necessary and when to make the adjustments.
spindles will not have forward or bac kward
motion in relation to the cotton plant. Th e
rotating spindles poke straight into the cotton
plant and pulI straight bac k. Because of this,
the spindles can brush past unopen- ed bolls and
stalks, leaving them undamaged.
At "C," the spindles are all the way out and the
cot- ton fiber wraps onto the spindle barbs. Then
the spin- dles move back, pulling the cotton out
of the open bolls and through th e grid bars as
sho wn at "D."
The illustration below sh ows what happens during
the picking cycle. At "A," the spindles go under
the moisteners and are cleaned of lint, plant
sap, and stain.
At "E," the cotton is being removed from the
spin- dles by the doffer. The spindles move under
the doffer so the doffer pads can unwi nd the
cotton from the SpiFldles.
The cleaned spindles start through the grid bars
at B. The speed of the spindIe drums is
synchronized with the picker ground speed or 2.06
miles per hour with engine running 2500 rpm under
field load so the
8
Description S
Automatic H eight Control (Optional)
PLATFORM AND CONTROLS
A dual-rate hydraulic height control unit is Used
with the cotton pic ker. Thp primary circuit
provides precise gauging of pick ing unit ground
clearance the secondary cirCuit provides a rapid
and positive rate of response for severe changes
in ground contour. This combination results in
fast and accurate height con- trol with minimum
ground clearance. JET- A I R -TROL CO NVEY I NG
SYSTEM AND BASKET
The operating position is immediately above and
behind the pic king units. The padded posture
seat is adjustable to both the height and weight
of the opera- tor the steering wheel height and
pitch are easily adjusted for operator
comfort. All necessary operating controls are
conveniently located within easy reach from the
seat. A few trips through the field will enable
the operator to becom e familiar with all the
controls necessary to operate th e cotton
picker. The instruments are located immediately
to the right of the operator on the instrument
panel. Each gauge is clearly identified for
readability of the vital machine fun ctions. A
pan el light is provided for night operation. For
added operator comfort and efficiency, a pres-
surized or air conditioned cab is available
(optional) . A heater and/or windshield wiper
eauipment (optional attachments) are also
available.
Th e jet air cotton conveying system consists of
a singl e centrifugal fan A, located in th e
engine area. This fan has a single rotor with
radial blades on each side. It blows air through
hose B, to cotton conve- yor ducts C,
creating suction which lifts the cotton out of th
e suction doors D, and blows it through the
ducts E, into th e basket. Thus from the field
to the gin, cotton comes into contact with only
two moving partsspindles and doffers. Seed
cotton and lint damage is kept at a minimum.
The cotton picker basket will hold 3,000 lbs. of
cot- ton. Two double-acting hydraulic cylinders,
activated by a lever to the left of the operator,
raise and lower the basket for dumping. The lid
opens and closes au- tomatically as the basket is
raised and lowered.
PROPELLING MECHAN ISM The cotton picker is
powered by a 6-cylinder gaso- line, LP-Gas or
diesel engme. Power is transmitted through a
drive shaft to the transmission and final drives,
thus propelling the drive wheels. On the hydro-
static cotton pic ker the power is transmitted
through th e hydrostatic pump and motor, to the
transmission and final drives, thus propelling
the drive wheels.
9
Controls and Instruments
Betore attempting to operate your new cotton pic
kev, become familiar with the location and
purpose of its con- trols and instruments. Study
these pages carefully, regardless of your
previous picker experience.
A- Water Pressure Regulator handle B-Water
Pressure Gauge C- Basket LIII Lever D-L.H.
Picking Unit Stop Control (Pickers Without
Automatic Height Co ntrol) E-Clutch Pedal F-Guide
Whet Indicator Lamp G-R. H. Picking Unit
Step (Pick ers Witho ut A utomatic Heîght Control)
H- Hydrostatic Drive Control I-Brake
Pedals J-L.H. Picking Unil Lever (Pieke re
WIthout Autom al ic Height Control K-R. kÎ. P
cking Unit Level L-Main Gearshîfî Lever M-Hi-Lo
Range Lever NLight Switc h O-OIl Pressur e
LighI P- Panel Lig hl
Q -Al ernator Warning Light R- Master Switch S-
Sî arter Button T-Picking Uni Gearsh Aft Lev er
U- Fan CIuI ch Let er V Choke W- Fuel Gauge X
-Engïne Tach -Hour Meter Y- Engine W at er Tem
per at ure Gauge Z- Throltle Lever
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Controls and Instruments 7
I NSTRU MENTS
Alternator Warning Light
Oil Pressure Indicator Light
A bol t of Iight ning identifies the alternator
warn- ing light. The bolt of ligh tning can be
seen when the light is on. The light wit I go on
when the engine is be- ing started (this is
normal) . I f the engine is running and the
lighI goes on, the alternator is not charging. I
n this case, shut off the engine and
trouble-shoot the electri cal system (pages
89-90) .
The oil pressure indicator light is identified
by the drop of oil ' desig n, visible when the
Iight is on. The light will go on if the
crankcase oil level is low or if the oil pressure
!s tow. If Iight goes on , shut off the engine
and check engine oil level (page 61) , I f oil
level is not low, chec k for low oil level
pressure caused by re- strictions or incorrect
type ot oil . See page 61 for de- tails.
Water Temperature Gauge
Fuel Gauge
EuPT TANK
H ALF- FU LL
RED- ORANGE ARNIMG ZONE
p p 0 ( 6 00
T ANK
The fuel gauge is identified by the "pumping sta-
tion " on the face of the gauge. The red -orange
zone indicates that the tank is empty. Th ere is
also a half full mark (half c ir cIe) and a
full mark (fulI cir cle) .
This gauge indicates the coolant temperature in
the cooling system - not the quantity. Normal
operating tern perature is 180 to 210 F.
(indicated by the white band on the dial) . If
indicator reaches red band on dial, stop engine
and determine cause.
11
INSTRUMENTSContinued
CONTROLS - STANDARD TRANSM IS- SION AND
HYDROSTATIC DRIVE
Light Switch Control s the Iign ting circuits
when th e master sw itch is on. The Ohr ee a
ctive positions of the sw itch are explain ed
below. L - H ea dI i gh ts o n br ig h t , ta i
II ig hI I i t, w a rn i ng lamps not lit. B -
Head lights on bright, tailligh t and wamin
g lamps lit. D - Headlights on dim , tail light
and warnin g Iam ps lit.
Brakes
The mechanical-type brakes can be ap p lied inda-
vid ually or can be linked together, using the
brake tie latch , for sim uItan eous braking.
Use the brake lock to hold the p icker when park-
ing.
Choke (G asoline Engines) Th e cho ke prov ides a
r ich m ixture o f fuel fo r s tart- ing. PuIf bu
tton to ch oke eng ine pu sh in fo r no rm al
operation.
Engine Tach-Hour Meter Registers ergine rpm in
hundreds and indicates the hours eng ine has been
operated at 2500 rpm. Use th e meter to operate
at ated engine speeds and to deter- min e proper
Iubrication , servi ce, ar.d adj ustment in-
tervals.
Fan Clutch Lever The fan cl utch lever is located
on the right-hand side of the operator's seat and
to 1he rear of th e in- str um ent panel. This
lever engages and disengages the centrifugal fan.
To engage fa , move the lever forward to
disengage, move lever rearward .
PanelGght The panel light ilIuminates the
instrument panel at night. It is turned on by the
light swatch when the main lights are turned on.
Basket Lift Lever This lever controls the unload
ing of the bas ket. Move the lever to the rear
to raise the basket and forward to lower the
basket. Two hydraulic cyl fnders rai se the bas
ket so it can be emptied in a tr ailer to the
left of the picker.
Starter Button Activates the starter when th e
ignition switch is on and th e cl utch pedal is
depressed (standard trans - mission) or the s
peed range lever is in neutral (hydrostatic
transmission) .
Steering Wheel Adjusting Screws
Master Switch Controls engine ignition, light
switching circu it, and starter elec tri cal
circu it.
Hydrostatic Oil Temperature Gauge Indicates
hydrostatic oil temperature. I f tempera- ture
rises u nusual ly high, sto p engine and
determine cause.
Precision Moistener Control Pressure Gaug e he
pr essur e gauge is located on top of the
preci- s io.n m oistener cont rol box to the left
of the operator's seat This gauge gives the
operating pressure of the ois tener s ystem. The
norm al oper ati s pr2sSure is between 15 to
23 psi .
To adjust steering wheel tilt, loosen
adjusting screws on either side of pedestal Tilt
wheel to de- sired position then tighten screws.
Guide Wheel Indicator Lamp The guide wheel ind
icator lamp is loc ated on th e steering colu mn.
When ill umi nated , the lamp indi- cates the
gu ide wheel is straight.
12
Controls and Instruments 9
Picking Unit Lift Levers
Picking Unit Lift Selector (Pickers Without
Automatic Height Controi)
The pickin9 unit lift levers or lever are located
at the ri9ht of the operator's seat and in front
of th e con- tro I pan eI . T he c otto n pi c k
er w ith o u t Au to m at ic Hei9ht Control uses
two levers the right-hand lever controls the
ri9ht unit and the left-hand lever controls the
left unit. Th e cotton pic ker with Automatic
Hei9ht Con trol has one lever to control both
units. These levers control the height of the pic
king units, individu ally or simultaneously on
pickers w ith out Au - tomatic He 9ht Control. 0
n pickers with Automatic Height Control, the
Iever aids in controllin9 th e hei9ht of th e
units. See Pic king Unit Lift Selector for
indi- vidu al or simultaneous lift. To lower the
units, push lever forward. When the units reach
their lowest position, as set by the pic king
unit stops or the Automatic Hei9ht Control shoes,
you will feel pressure on your hand and the lever
or Ievers will return to neutral position. The
unit stops can be overridden see Pic king Unit
Stop Controls. To raise th e picking units, move
th e levers rear- ward. Picking Unit Stop
Controls (Pickers Without Automatic Height
Control) The pickin9 unit lift selector on the
hydraulic valve, located on the main frame
underneath the platform, con trots the hydraulic
circ uit for individual or simulta- neous unit
lift. With the selector lever facin g the
direction of travel the units are set for
simultaneous lift. With the selec- tor lever
crossways to the direction of travel the units
are set for individual lift. For detailed
instructions see pages 40 and 41. Precision
Moistener Control The pi"cking unit stops are
located on the"r9ht- a left-hand side of the
seat and are part of the hydraulic system and the
unit lift control. The stops control the lowest
position to which the pickin9 units can. be low-
ered by the picking unit lift levers. IMPORTANT
When the picking units are set for simultaneous
lift make sure the left-hand stop con- trol has
been removed and the left-hand unit lift lever
has been disconnected or removed. See pages 40
and 41. To raise the height of the pickin9 units,
turn the controls clockwise to lower the hei9ht
of pic king unit stops, turn the controls
counterclockwise.
13
10 Contro/s and Instruments
CONTROLS - STANDARD TRANSMIS- SION AND
HYDROSTATIC DRIVEContinued
Tne hi-lo range lever has three positions, ii
ange, !o range, and reverse. TOis lever is used
in conj unc- tion with the gears hilt Never.
When positioning the gearshift in 1s t gear the
hi-lo range is positioned in low range and tne
gearshift lever is placed In 1st gear. Wnen
positioning the transmission in reverse, posi-
tion the hi-lo range lever in reverse and place
the gearshift fever in neutral.
Precision Moistener ControlsContinued
The precision moistener system water pressure is
controlled by the valve control h andIe to the
left of the operator.
Gear Hi-Lo Range Lever Location Type of Operation
1 Lo Picking
Lo Picking
Lo Scrapping
4 Hi Transporting
5 Hi Transporting
6 Hi Transporting
Neutral Reverse Backing
To lower the water pressure, tu fn the handle
out to rat se the pressure, turn the handle in.
The normal operating pressure is from 15 to 25
psi. Th e moisten- er can be controlled on the
go". CONTROLS - STANDARD TRANSMIS- SION
Clutch Pedal
Picking Unit Gearshift Lever
Depress in g the clutch pedal will dis connect
the flow of power from the en gine to the
transmission, picking units and fan drives. Also
the cl utch pedal m ust be depressed to operate
the starter safety switch, located beneath the
clutch pedal. Throttle Lever
This lever engages and disengages the picking
units and moistener system water pump. To engage,
depress clutch pedal and move lever rearward to
po- sition no. 1 (low range position) , or
forward to posi- tion no. 2 (high ran ge
position) . The middle position is neutral. To
disengage, depress ct utch pedal and move lever
to neutral (N) position.
The throttle lever controls engine speed by regu
lat- Eng the governor. Move the lever forward to
increase speed rearward to decrease speed.
Main Gearshift and Hi-Lo Range Levers
The ground speed in each gear with engine operat-
ing at 2500 rpm under field load is shown in the
cnart.
Gear MPH Type ol Operation Picking Unit Lever Location
st 2.06 Picking 1 (Low Range)
2nd 2.65 Picking 2 (High Range)
3rd 3.12 Scrapping 2 ( High Range)
4th 8. 2 Transporting Neutral
Sth 10.46 Transporting Neutral
6th 12.32 Transporting Neutral
Reverse 3.25 Backing Neutral
The transmission has six speeds forward. The
posi- tion s of the gear shift lever for various
transmission speeds are shown on the instrument
panel.
14
Controls a nd Instruments 11
CONTROLS - HYDROSTATIC DRIVE
The hi-lo range lever has two positions, hi
range, an d Io range. This lever is used in con
junction with the gearshift lever. Example When
position ing trans- mission in 1st gear, place
hi-lo range Iever in low and gearshift Iever in
1st gear. When positioning trans- mission in 3rd
gear place hi-lo range lever in hi an d gearshift
I ever in 3rd.
Throttle Lever The throttle lever controls eng
ine speed by regulat- ing the governor. Move
lever forward to increase speed rearward to
decrease speed.
Speed Range Lever The speed range lever con trols
both the rate and direction of travel within one
of the four transmission gears. The transmission
gearshift lever is used to se- lect the gear
desired. Shifting is accomplished by moving the
speed range lever to neutral and shifts ng to one
of the four gear r anges.
To reverse the pic ker, position hi-to range
lever gearshift in desired gear and move the
speed range lever to the right and rearward.
Picking Unit Gearshift Lever To engage the
picking units place lever in engage" pos ition.
With the gearshift lever positioned in the
desired gear range, move speed range lever to th
e right and forward from its neutral position to
move the pic ker forward.
There is just one pic king unit range with
hydrostat- ic drive.
The ground speed in each gear with engme operat-
ing at 250 0 rpm u nder fief d load is shown in
the chart.
Stop the picker by returning the speed range
lever to neutral. A stop is provided to ass est
in finding this pos ition. Also, place the
gearshift lever in its neutral position. To
operate in reverse, position gearshift lever in
desired gear range and pull the speed range lever
to the right and rearward.
Gear MPH Type of Operation Picking Unit Lever Location
1 st 2.65 Plc king Engage
2nd 3.12 Sc rapping Engage
3rd 10.46 Transporting Disengage
4th 12.32 Transporting Disengage
Rev. 6.16 Backing Disengage
Th e speed of the plc ker, within a selected
gear, is determined by the position of the speed
range lever.
WARN I NG LAMPS
The speed range lever must be in neutral to start
the engine. Main Gearshift and Hi-Lo Range Lever
The warning lamps are located on the left and
right-hand basket support frame. I n these
positions th ey can be seen by oncoming traff ic
and traffic ap- proaching from the rear. For
wagon clearance in the fiel d, rotate th e
left-hand lamp up.
The transmission has four forward and four
reverse speeds. The positions of the gearshift
lever for the various transmission speeds are
shown on the instru- ment panel.
15
12 Controls and Instruments
SEAT
LP-GAS ENGINE CONTROLS
Adjusting for Height of Operator
A cotton picker with an LP-Gas engine, has con- t
rol s f or LP- Gas ope rat ion in ad d it i on to
tho se previously described.
Loosen the four nuts at th e seat base and adjust
the seat forward or rearward until the ped als
and levers can be operated easily. Tighten the
four adjust- ing bolts. II the seat needs further
adjustment, loosen th e four mounting bolts and
adjust seat box tow ard the front or rear.
Tighten bolts.
CAUTION Before attempting to use the LP- G Gas
engine, see page 51 for information on LP-
Gas and instructions on how to fill the fuel tank.
Fuel Gauge Th e fuel gauge indicates the liquid
level in the fuel tan k. I t is calibrated to
show the per centage of liquid fuel in the tank.
Adjusting for Weight of Operator
Liquid and Vapor Withdrawal Valves These valves
control !he flow of fuel to the engine. Th e
VAPOR valve, when opened, supplies vapor from the
top of the fuel tank for starting the en
gine. The LI QU I D valve permits withdrawal of
liqu id fuel from the tank for normal operation.
Both valves are equipped with excess-flow valves
which automatically close whenever the flow
exceeds the normal amount used to operate the
cotton picker. These valves must be opened slowly
to prevent clos- ing the excess-flow valves. If a
fuel Iine is accidental- ly bro ken, th e
excess-flow valves do not shut off the flow
completely. If one of the excess-flow valves clo-
ses, it can be reset by closing th e withdrawal
valve manually.
Adjust the tension of the seat compression spring
fo r max im u m f Io at, when dr iv in g ov er
r ou gh ground.
Dust Cap Make sure the dust cap is in place on
top of the safety relief valve.
To adjust, loosen th e nuts A and tighten or
loos- en nut B. For lighter weight, more bolt
should be exposed beyond nut B.
16
Operation
13

• FU NDAMENTALS OF COTTON HARVESTING
• Successful cotton harvesting requires a thorough
  understanding of the fundamentals of cotton
  harvest- ing and intelligent use of the cotton
  picker to meet the conditions in the field being
  picked.
• These fundamental s in brief are
• When to Pick
• The ideal time to pick cotton is when the cotton
  bolls are well open, clean, and fluffy. Since
  cotton bolt s seldom ripen and open all at one
  time, a field is normally picked two or three
  times before the entire crop is harvested.
• Preparing the Field
• Defoliation is recommended to get greater picking
  efficiency, cleaner cotton, fewer leaves,
  and less trash, resulting in a better grade of
  cotton.
• Fiel ds sh ould be kept clean and free of
  roots, sto nes, bric ks, and other foreign
  material.
• Do a good job of controlling weeds. Weeds and
  grass do not affect operation of the cotton pic
  ker but will cause more trash and foreign
  material to be mixed with the cotton in the
  basket, makin g it more difficult to gin, usu
  ally resulting in a lower grade of cotton.
• Picking
• Lubricate your cotton picker as instructed
  on pages 54-76.
• Prepare and adjust cotton picker to meet crop
  conditions.

• When picking, select ground speed and picking
  unit speed according to crop conditions. (See
  page 18) .
• Allow ground and cotton to dry before pic kin g.
  Wet cotton is difficult to gin and wet ground
  will cause wheel slippage, destroying the
  synchronization be- tween picking speed and
  ground speed, which can cause stripping of
  unopened green bolts and exces- sive plant
  mutilation.
• Use of a spindIe cleaner or wetting agent in the
  water will distribute the water more evenly on
  the spindIe, and less water will be required.
• CAUTION Petroleum moistening agents are
  flammable. Follow the manufacturer's recom-
  mendations carefully when handling and mixing
  such
• materials to avoid fire hazards.
• NOTE We recommend the use of John Deere wet-
  ting agent. It contains a dispersing additive. By
  preventing the wetting agent from settling to the
  bot- tom of the tank, this additive maintains an
  evenly concentrated mix throughout the water
  tank. It is available in 5-gallon cans (AL1 112)
  and 1-gallon cans (A N309 75). If other wetting
  agents are used, wa tch for spindle corrosion. I
  f corrosion is detected, use a different wetting
  agent or opera te picker with- out a wetting
  agent.
• KNOW YOUR COTTON PICKER
• Before starting to pick cotton, read this manual.
  The information in it is the result of years of
  ex peri- enc e in the design and operation of
  cotton pic kers. We want you to be happy with
  your new Joh n Deere Cotton Picker. We know it
  wiII do a good job for a Ion g time if operated
  and adjusted properly. This manual tell s you how
  to get the performance and life th at has been
  designed and built into the cotton picker.

17
14 O,oera//on
COTTON PICKER AND ENGI NE BREAK-I N R un-in the
engine under full load to promote good ring seat
in g and to prevent cylinder wall glazing. Do not
run the engine at idIe speed durin g break-in per
- od. NOTE Alwa ys fill wa ter tank before
running-in picker. First 4 Hours I t has been
recommended th at th e dealer run-in your new
cotton pic ker for four hours prior to delivery.
If the fo ur hour run-in has not been completed,
it should be done as follows.
3. Every hour, drive th e pic ker fo r 5 to 10 m
inutes. Thi s will recirculate the lubr icant in
the transmission ho using and keep all bearings
and gears Iubr icated.
4. Listen for any unusual noises in th e picking
units. I f any noises occ ur, stop the pic ker
immediate- ly and determine cause.
5. Periodic ally ch ec k the engine oil pressure,
tem- per atur e, and battery charg ing rate.
6. After the four-ho ur bre'ak-in period has
been completed, chec k th e entire machine for
loose bolts, belts, etc.
After 4 Hours From 4 to 100 hours, Iubricate
machine according to Iubrication chart on pages
54 to 57. Avoid light loads or excessive engine
idling. Ch ec k periodically to be sure adequate
supply of oil is maintained in the crankcase. If
it becomes necessary to add oil during the first
100 nours, use new oil recommended on pages 52-53.
1. L ubr icate entire machine regardless of
lubrica- tion interval.
2. Standard Transmission With th e engine run
ning at slow idle, start picking units in Iow
gear and en- gage fan Iever. Run at this speed
for the first five min- utes (this may vary
depending on the amb ient temper- ature) . Slowly
inc rease the engine to 1000 rpm and run for
another five minutes. Then graduall y increase
the rpm until the units are running at fuII rpm.
After 100 Hours At the end of this 100-hour
break-in period, drain oil, replace filter
element, and fill the crankcase with new John
Deere Torq-G ard or Torq-Gard Supreme oil or an
equivalent oil as recommended on page 53.
Thereafter, change the oil and filter every 100
hours of o peration.
Hydrostatic Drive Hydrostatic Drive Use a hand
tachometer on the pic king unit coun tershaft as
shown above. With the engine running at slow
idIe engage the picking unit an d fan lever s.
Engage throttle to full. Advance the hy drostat
c speed range lever slowly until the tach- ometer
reads 250 rpm. Run at this s peed for appt oxi-
mately five minutes then gradually increase the
unit speed uniI the tachometer on the pic king
unit coun- tershaft reads approx inn ately 8 00
rpm in low gear. Continue at this speed for the
four h our run-in period.
18
Opera tion 15
PRE-START I NG ENG I NE CHECKS
3. I f engine has not been operated for a period
of time and gsoIine tank has been dry, and fuel
pump is equipped with prim ing lever, work
priming lever up and down to force gasoli ne into
carburetor.
Before starting th e engine, perform the follow
ing checks and services as required.
1. Chec k engine c ran kcase oiI lev el. See
page 61.
IMPORTANT Leave leer down so that pump will
remain operative.
2. Chec k radiator coolant Ieven . See page 6 2.
4. Advan ce thro ttle lever appro ximately 1/4 o
pen. Turn ignition switch on and pull cho ke
control kno b all the way out. Depress clutch
pedal, and at the same time press starter button.
As soon as the engine starts, push choke knob in.
Release clutch pedal.
3. I nspect and clean air cleaner. See page 60
4. Fill the fuel tank. See pages 50-51 and be
sure fuel shut-off valve is open.
NOTE li the engine (gasoline or diesel) has not
been opera ted tor a long period o I lime, or il
the tuel ta nk is dry, remo ve the tuel tan k
drain plug. Drain and tlush the ta nk with c/ean,
tresh fuel. On diesel en- gines, it may be
necessary to bleed the entire tuel system. See
page 97.
5. Check oil pressure light to see if it is off.
I f not, sto p engine and determ ine cause.
6. Do not place engine under load until heat
indi- cator gauge shows that temperature of water
in cool- ing system is rising .
CAUTION Before starting the engine, be sure
there Is plenty of ventilation. Never
operate engine in a closed shed or garage.
See instructions on page 17 for stopping the
en- gine.

• STARTING THE GASOLINE ENGINE
• Set the pic ker brakes and position standard
  transmission main gearshift or hydrostatic
  transmis- sion speed range lever in neutral.
• D isen gag e pie ki ng unit control Iev er.
• I M PO RTA N T T ur n headl ight and a ccesso
  ry switches off belore attempting to start engine.

19
16 Operation
STARTING THE DIESEL ENG INE 1. Set picker brakes
and position transmission gearshift lever in
neutra!. If equipped with hydrostatic drive
transmission, position speed range lever in neu-
tral.
STARTING THE LP-GAS ENGI NE
2. Disengage pic king unit gearshift and fan
levers.
1. Open the VAPO R withdrawal valve slowly. If
valve is opened too fast, it may cause th e
excess-flow chec k valve to c lose and prevent
normal flow of va- por. I f this happens, c lose
the vapor withdrawal valve to reset the check
valve then, open the vapor with- drawal valve
slowly.
2. Set picker brakes and position transmission
gearshift lever in neutral . I f equipped with
hydrostatic drive transmission, position speed
range lever in neu- tral.
3. I f the picker has been idle for a long period
of tim e, or if the fuel tan k is dry, remove the
fuel tank drain plug and drain any moisture from
tank. Bleed the entire fuel system to remove air
from the lines. Refer to page 97 for bleeding
procedure. Avoid run- ning fuel tan k dry.
3. Disengage pic king unit gearshift and fan
Ievers.
I MPO RTANT Turn h ea dlight and accessory
switches off before attempting to start engine.
I M PO RTA NT Tu rn he adlight an d acc ess
ory switches off before attempting to start
engine.
4. Place throttle in slow position and turn
master switch on. Depress clutch pedal, and at
the same time press starter button. As soon as
the engine starts, advance throttle lever and
release ct utch ped- al.
4. Advance throttle lever to full open, th en
bring it back about halfway. Depress clutch pedal
and turn master switch on, th en press starter
button.
5. Check oil pressure light to see that it goes
out after th e engine starts. I f not, stop eng
ne and deter- mine cause.
5. Release starter button wh en the engine
starts. If engine does not begin firing after 15
to 30 seconds of cranking, wait a minute before
cran king again. Re- lease clutch pedal after
engine starts.
6. After engine starts, operate it on vapor until
th e cooling system is warm as indicated by th e
water temperature gauge.
6. Gheck oil press ure light to see that it goes
out after the engine starts If not, stop engine
and deter- mine cause.
7. Slowly open the LIQU I D withdrawal valve.
After valve is completely open, close the VAPOR
withd raw- al valve.
7. Warm up the engine for about five minutes with
th e throttle about one third open. Do n ot place
engine under load until h eat indicator gauge
shows that en- gine has begun to warm up.
NOTE See instructions on page 1 7 for s/opp/ng
the engine.
NOTE See instructions on page 17 for stopping
the engine.
20
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STOPPING GASOLINE ENG I NE Run the engine at 1500
rpm for a short time befo re sto p ping it.
Sudden stopp ing of a hot engine may al- low some
parts to overheat momentarily and cause damage.
I MPORTANT Do not attempt to stop the diesel
engine by turning off the fuel supply at shutoff
valve. Doing so will cause injection pump to run
dry and damage internal parts.
Sud den cool ing of hot en gines causes
extreme contraction of heated metal parts. n
freezing weath - er, never drain water
immediately after stopp ing. First all ow en gine
to cool off gradual Iy.
Turn the master switch to the vertica! "O FF"
posi- tion.
After stop p ing the engine, remove the key from
the master switc h to p revent tampering and
unauthorized o peration. Removing the key also
prevents battery discharge if th e switch is
accid entally left in th e on" position.
IDLI NG THE ENG I NE Avoid u nnecessary engine
idling. Prolonged idling may cause crankcase oil
dilution due to incomplete fuel combustion. I t
also may cause formation of de- posits on valves.
pis tons, piston rings an d fuel in jec- tors.
Sudden cooling of hot engines causes extreme
contraction of heated metal parts. In freezing
weath- er, never drain water immediately after
stop p ing. First allow engine to cool off
gradually.
BEFORE-OPERATION CHECKS AND ADJUSTMENT Careful
inspection of the cotton picker befo re start-
ing work each day will prevent need less delays
an d br eakdowns in the field. Make the
following chec ks an d adjustments.
STOPPING THE LP-GAS ENG INE Before sto p ping th
e engine, allow it to idle for a min ute or so
th en c lose th e withdrawal valves and let the
engine run until fuel in converter is exhausted
and en gine dies. Then turn master switch to the
off pos- ition. With th e fuel lines partially
empty, there is no ch ance of d amage due to
changes in temperature an d press ure of the fuel
. Also, liquid fuel left in the lines may cause
hard starting.
1. Fill fuel tank as described on pages 51 an d
52.
2. Check cool ant level in radiator. Ad d coolant
as necessary. See pages 61-62. Do not use water
con - taining at kali. Ch ec k for h ose leaks.
CAUTI ON Close both withdrawal valves tight- ly,
to prevent loss of gas and flooding of fuel lines
and engine cylinders while cotton picker is idle.
3. Check tire inflation. See chart on page 23.
4. CIean out the area around th e doffers
and moisteners. Wash out th e screened area of
all suction doors and doffer grates. See page 59.
Su dden cooling of hot engines causes extreme con
traction of h eated metal parts. In freezing
weath- er, never drain water immediately after
stopping. First allow engine to cool off
gradually.
5. Perform necessary lubrication services.
See pages 54-76. Ch ec k for oil leaks.
STOPPING THE DIESEL ENGI NE Set throttle at h alf
throttl e an d allow engine to run at this speed
for a few minutes before stop p ing. Turn the
master switch to the off" position.
6. Chec k water level in the water sup ply tank.
See page 37.
7. I ns pect belts and ch ains for proper tension
and alignment. Be sure there are no loose bolts
or cotter pins.
22
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