John Deere 300 Corn Husker Operator’s Manual Instant Download (Publication No.OMN159565)

1
CORN HUSKER
300
300 CORN HUSKER OMN159565 H2 English
JOHN DEERE DES MOINES WORKS OMN159565 H2
LITHO IN THE U.S.A. ENGLISH
2
Introduction
CAUTION This safety alert symbol iden- tifies
important safety messages in this manual.
When you see this symbol, be alert to the po
ssibilit y of personal injury and carefully
rea d the m essa ge I hat follow s. This
operator s m anual contains SI Metric eouiv aient
s which follow immediately after the U S
customary units of me asure . R ight-h and and
left-h an d" sides are deters ined by a cin g in
th e direction the husk er w ill I ravel w hen
in use The warranty appears on your copy ol lhe
purch use order which you should havc 'eceived
from your dealer. Record your model and serial
numbers on page 53.
APOWR-GARD Powersheft BLift Cylinder Hydraulic
lose CEleciromegnetic Clutch Control Console
First Ele valor EFirst Ele vat or Ex haust F
Wagon Ele vator
GStorage Stan d HTon gue I Wagon Drawbar
3
300 CORN HUSKER PREDELIVERY CHECK LIST OWNER
REGISTER
Name R.R. No. City or Town State Zip
Husker Serial No. Date Purchased
All grease fittings have been lubricated and gear
case fluid level checked. Drive belts and chain
have been checked for proper adjustment. See
pages 33 through 36. Make sure the 30 tooth drive
sprocket is on the husk- er and the 24 tooth
sprocket is on the corn head. Tires have been
properly inflated. See page 7. Torque wheel bolts
to 130 lb-ft (176 N m), All shields are in place
and in good condition. The rotating shields on
the PTO shaft rotate freely. Check for any
obstructions in the fan, first elevator air
chamber, and shelled corn hopper. Run the husker
at slow speed for a few minutes. Listen for
clipping clutches or other indications of
trouble. Shut off tractor engine and check gear
case idlers, and bearing housing for heating, Any
parts scratched in shipment have been touched up
with paint. This husker has been checked and to
the best of my knowledge, is ready for delivery
to the customer. NOTE.' Corn head PDI and setup
instructions are found in Section 10 of the
Combine Technical Manual.
DELIVER.Y CHECK LIST
Give the operator's manual to the customer and
re- view all operating instructions and safety
precautions with him. Explain the importance of
keeping all shields in good condition and in
place, and Ieeping PTO shaft shields rotating
freely. When the husker is transported on the
road, day or night, warning lights and devices
should be used for adequate warning to operators
of other vehicles. Ad- vise the customer to check
local governmental regu- lations concerning road
transport of farm machinery. Advise the customer
that the life expectancy of this or any other
machine depends on the maintenance and care as
described in the operator's manual. To the best
of my knowledge this husker has been delivered
ready for field use and the customer has been
fully informed as to the proper care and oper-
ation of same.
(Date)
Signature)
(Date) (Signature)
,
OMN159565 Issue H2
4
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AFTER-SALE CHECK LIST
Check with the customer as to the performance of
the husker. Make certain the proper operating ad-
justments for his crop (or field conditions)
have been made. It possible, operate the husker
to see that it is functioning properly. Go over
entire husker for loose or missing bolts. Check
for broken or damaged parts. Check to see that
all satety shields are in place. Check with the
customer to ascertain if the recom- mended
periodic lubrication has been performed. Review
the operator's manual with the customer ar.d
stress the importance of proper lubrication and
safety precautions. (Oate)
6
Contents
1
Page SAFETY .................................
2-4 PREPARING THE TRACTOR ................
5-6 PREPARING HUSKER ..................... 7-12
ATTACHING AND DETACHING ............ 13-18
TRANSPORTING .......................... 19
OPERATING THE HUSKER ...............
20-25 Adjusting Fan Speed .....................
21 Trash Rolls, Deflectors, Shields and Air
Nozzles .......................... 22 Ear Movers
............................ 22 First Elevator
Stripper .................... 23 Husk Rolls
............................. 23 Wagon Elevator
Hopper .................. 23 Wagon Elevator Hood
.................... 24 Left-Hand Wheel Clearance
................ 25 Lower Husk Roll Cover
................... 25 LUBRICATION AND
MAINTENANCE ........ 26-27 TROUBLE SHOOTING
................... 28-30 SERVICE
.............................. 31-38 Slip
Clutches ........................... 31 Drive
Shaft Bearing Blocks ................ 31
Replacing Brushes ....................... 32 Husk
Rolls ............................. 32 Husking
Pegs ........................... 33 Wagon
Elevator Conveyor Chain ........... 33 Wagon
Elevator Drive Chain ............... 34
Right-Hand Drive and Conveyor Chains .... 34-35
Brush Drive Chain .......................
35 Shelled Corn Conveyor Chain .............. 35
Trash Auger Chain .......................
36 Front Fan Bearing .......................
36 Wheel Bearing ..........................
36 Mounting Tires ..........................
37 Unplugging Husker Unit ...................
38 STORAGE ...............................
39 ASSEMBLY ............................
40-52 SPECIFICATIONS ..... ...................
53 Serial Number .......................... 53
7
Safety
Operate Safely DO NOT operate husker without
reading this opera- tor's m anual. DO NOT operate
husker with more than one person on the
tractor. DO NOT allow anyone to ride on the
husker. DO NOT operate close to a ditch or
creek. Slow down when turning. Drive slowly over
rough ground. Shift the tractor into a lower gear
when operating on steep slopes. Always shut off
tractor engine, shift to Park, and disengage
PTO when leaving tractor. Remove ignition key
when leaving tractor unattended. Apply both
tractor brakes evenly when making emer- gency
stops. Plan ahead. Wear relatively tight and
belted clothing to prevent being caught on some
part of the machine. Know the height and width of
the husker (and wagon). Beware of overhead
wires. Keep hands out of corn head snapping
rolls. Unauthorized modifications to the machine
may impair the funct on and/or safety and affect
machine life.
Protect Against Noise Prolonged exposure to loud
noise can cause impair- ment or loss of
hearing. Wear a suitable hearing device such as
earmuffs (A) Or ear plugs (B) to protect ag ainst
objectionable or un- comfortable loud noises.
AEarmuffs BEarpIugs
8
Se fety 3
Stay Clear of PTO Stop the engine ano be sure the
PTO has stopped before Connecting or
disconnecting a PTO shaft Making any adjustment
to PTO drive train or hitch Cleaning out PTO
driven equipment. PTO master shield should be in
place at all times except when connecting a PTO
drive line or for special applications as
directed in the operator's manual. The PTO shaft
guard should be in place when the PTO is not
being used.
Avoid Fires DO NOT operate husker without a fire
extinguisher near by. Fire extinguishers and
mounting brackets are avail- able. Order JD
AT62018 and JD 62019 from your John Deere dealer.
See page 52.
Transport Safely Use of flashing warning lights
and turn signals is recom- mended when towing
this equipment on public roads unless prohibited
by state or local regulations. An imple- ment
safety lighting kit is available from your John
Deere dealer. If attached, always raise the corn
head and install the safety support stop in the
rear position. Always move the husker tongue from
operating position to transport position. Always
raise the jackstand before transporting. Shift
the tractor into a lower gear when transporting
down steep slopes of hills. DO NOT transport
unless the reflectors and SMV em- blem are easily
visible from the rear. Stop slowly.
9
4 Safety
Practice Safe Maintenance Always lower corn head
before working on it. Install safety support pin
in transport position (bold arrow) if working
under corn head. Replace any guards or shields
removed for servicing. Block the wheels so the
husker remains stationary. DO NOT lubricate,
adjust, or clean the husker while it is
operating. Shut off tractor engine and remove key
when working on husker.
Mounting Tires Failure to follow proper
procedures when mounting a tire on a wheel or rim
can produce an explosion which may result in
serious injury or death. Do not attempt to mount
a tire unless you have the proper equipment and
experience to perform the job. Have it done by
your John Deere dealer or a qualified tire
repair service. When seating tire beads on rims,
never exceed 35 psi (241 kPa) or maximum
inflation pressures specified by tire
manufacturers for mounting tires. Inflation
beyond this maximum pressure may break the bead,
or even the rim, with dangerous explosive force.
If both beads are not seated when the maximum
recommended pressure is reached, deflate,
reposition tire, relubricate bead, and
reinflate. Detailed agricultural tire mounting
instructions, includ- ing necessary safety
precautions, are contained in John Deere
Fundamentals of Service (FOS) Manual 55, Tire and
Tracks, available through your John Deere dealer.
Such information is also available from the
Rubber Manufacturers Association and from tire
man- ufacturers.
,m,
Avoid High-Pressure Fluids Escaping fluid under
pressure can penetrate the skin causing serious
injury. Relieve pressure before discon- necting
hydraulic or other lines. Tighten all connections
before applying pressure. Keep hands and body
away from pinholes and nozzles which eject fluids
under high pressure. Use a piece of cardboard or
wood, rather than hands, to search for leaks. If
ANY fluid is injected into the skin, it must be
surgically removed within a few hours by a doctor
familiar with this type injury or gangrene may
result.
10
Preparing Tractor

• Remove PTO guard and store it on the guard
  retain- er.
• CAUTION Always install PTO guard on PTO shaft
  when PTO is not being used.
• IMPORTANT Husker is equipped for 1000 rpm PTO
  tractor ONLY. Minimum recommended PTO HP is 60 HP
  (45 kW) for 2-row husker and 65 HP (49 kW) for
  3-row husker.
• Position drawbar to dimension shown, from end of
  PTO shaft to center of drawbar hole, remove
  clevis if equipped, and offset, if equipped,
  should be down.
• Lock drawbar in place with locking pins.
• Secure in vertical position or remove the lift
  links and center link.

5. Make sure electrical switch (A) and receptacle
(B) are installed correctly. See page 51.
ASwitch BReceptacle

1. Turn metering valve (A) to fast position.
2. Check tractor hydraulic oil and add i1 necessary.
3. Set the tractor wheels for the desired row
   spacing so the tires straddle or are centered
   between the rows. See your tractor operator s
   manual.

Continued on next page
11
6 Preparing Tractor

1. Install sufficient front end or wheel ballast to
   stabi- lize tractor when operating on rough
   terrain. See your tractor operator's manual.
2. Attach Wheel Shields if desired.

RZ9S75
12
Preparing Husker
7
Converting Remote Hydraulic Cylinder IMPORTANT
Double-acting 3 x 8-inch (76 x 203 mm) cylinder
MUST BE converted to single-acting for
satisfactory opera- tion. CAUTION Working with
hydraulic fluid under pressure can be
dangerous. See page 4. Bleed all air from the
cylinder, iJ new, rebuilt, or not-recently used
cylinder.

• 2. Completely retract the cylinder rod. Adjust
  the stop if necessary.
• 3 Remove left-hand cylinder hose and
  install breather, adapter and O-ring
  (fjJrnished with husker).
• Remove male Quik-Coupler from right-hand hose
  and store (for this application). Install
  connector and O-ring on the hose.
• Connect the 70-inch (1 778 mm) hose, furnished
  with husker, to the fight-hand hose with an
  O-ring.
• Install connector and 0-ring on the other end of
  new hose, and connect it to the previously
  removed re mote cylinder h ose.
• Safety Support
• Position safety support pin (bold arrow) in the
  field position.

Transport
rield
Check Tires and Wheels Check aiF oressure
frequently. torque wheel bolts to 130 lb-ft (176
N-m),
Tire Gize 11L x 14, 6 PR 12.5 x 16, 8 PR
Inflation Pressure 32 psi (2.2 bar) (221 kPa) 36
psi (2.5 bar) (248 kPa)
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8 Prepari'ng .Husker
Installing Cylinder Install cylinder as shown.
Strap the hydraulic hose to the frame as shown.
Leave enough slack in hose and cable to allow for
tongue movement.
Loosen clamps on the powershafl shield and place
the hydraulic hose in the lower loops of the
clamps. Be- ginning at rear clamp, remove excess
slack and tighten bolt on each clamp. Insert the
hydraulic hose through the support loop and hook
the electrical control cable into the loop.
Position Tongue Move to field position.
rield
14
Prearlng Husker 9
Position Header Plate Clamps Rotate clamps as
shown.
Assembling Corn Head Drives Assemble drive as
indicated in one of the illustrations. Observe
carefully the positioning and orientation of
sprockets and bearing supports for your
particular corn head. Leave sprocket clamp bolts
and bearing locking collars loose until after
supports are attached to rear of husker faceplate.
Drive tor 243 ang 244 Gorn Head
Drive for O/d Style 343 Gorn Head
A 24Tooth Sprocket BSpacers CInner Bearing
Svpport D244 Outer Bearing Support ELocking
Caller F30 Tooth S'prock et G343 Outer Bearing
Support H343 New Style Swing Away Shield
Drive for New Style 343 Corn Head
15
10 Preparing Husker

• Attaching 243 and 244 Corn Head Drives to Husker
• Bolt the outer bearing support to the rear of the
  faceplate, underneath the flange of the lower
  drive support, using two 3/8 x 1-inch carriage
  bolts. Leave nuts loose.
• Bolt inner bearing support to tne lower drive
  support with two 3/8 x 1-inch cap screws. Leave
  nuts loose.

• Attaching 343 Corn Head Drive To Husker
• Bolt the outer bearing support brackei between
  rear of faceplate and lower drive support with
  two 3/8 x 1- inch carriage bolts. Leave nuts
  loose.
• Bolt the inner bearing support to the lower drive
  sup- port with two 3/8 x 1-inch cap screws. Leave
  nuts loose.

Old Sfy/e Corn Head Drive
New Style Corn Head Drive

• Installing Drive Chain
• Slide corn head drive shaft in toward center of
  husker until it stops, align inner driven
  sprocket with husker drive sprocket, and install
  chain.
• IMPORTANT Inner sprocket hub must point to
  right- hand side as shown to align chain.
• Align chain and tightener sprocket clamp bolt.
• Adjust chain tension with tightener sprocket.

16
Preparing Husker 11

• Installing Upper Bearing Support
• Bolt the upper bearing support to the faceplate,
  on top of the outer bearing support, using 3/8 x
  1-inch carriage bolts. Leave nuts loose
• Bolt the upper beaing support to the inner
  bearing support, using 3/8 x 1-inch hex. head
  bolts.
• Use the OUTER pair of holes near the center of
  the support. Leave nuts loose.
• Bolt the upper bearing support to the bracket on
  the faceplate suppor using 3/8 x 1-inch bolts.
• Tighten nuts en remaining attaching bolts, except
  the clamp bolt through the outer drive shaft
  spocket

243 and 244 Com leads
343 Old Siyle Com Head
17
12 Preparing Husker
Installing 243 Left-Hand Faceplate Sheet Remove
left-hand faceplate sheet. Retain the two 5/16 x
3/4-inch and six 3/8 x 1-inch carriage bolts
removed at points A and B respectively, use
to instaI! new sheet. NOTE Machines prior to
Serial No. 502 must have new header plate to
accommodate 243 faceplate left-hand sheet. See
your John Deere dealer.
18
Attaching and Detaching
13
ATTACHING HUSKER TO TRACTOR CAUTION The rear of
the husker is ex- tremely heavy when the corn
head is not installed. If the husker is not
attached to the tractor when the corn head is
removed, be sure the storage stand is in place
under the wagon drawbar, as shown. 1. Align the
husker tongue with the tractor drawbar using the
storage stand.

• '/Jz
• 2. Back tractor and pin the tongue to the
  tractor.
• 3 Transfer the storage stand to field position
  on the front of the husker tongue.
• Plug the hydraulic hose into the left-hand side
  of the tractor selective control valve so the
  corn head raises when the lever is pulled back.
  Rotate dust cover over right-hand outlet of
  valve.
• Plug wiring harness into tractor receptacle.
  Secure it at rear of tractor so nothing can
  interfere with it dur- ing operation.

Continued on nexf page
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14 Attaching and Detaching

• CAUTION Follow sate PTO hookup proce- dure
  outlined below.
• Shut off tractor engine.
• Move collar (B) back against stop on yoke.
• Push button (C) and turn collar (B) until button
  locks in position.
• Turn collar (B) 'r tractor PTO (A) to align
  spines.
• Push bell (D) forward firmly until button snaps
  out. Pull rearward on bell (D) to be sure
  powershaft is
• latched. DO NOT pull on collar as this will
  release latch.
• Replace any tractor PTO shielding which was re-
  moved to attach PTO POWR-GARD.
• If equipped, route quick-release wagon rope to
  con- venient location near tractor seat.

APTO BCollar CButton DBell
CAUTION Keep clothing and body free of rope.
Keep rope away from moving parts.
ATTACHING CORN HEAD TO HUSKER CAUTION Corn head
stands are recommend- ed for safe and convenient
mounting and dis- mounting.

• If used, position the stands with each foot
  angled toward the front of the corn head. If
  stands are not used, block up corn head to allow
  top of husker faceplate to move under main frame
  tube (B).
• If equipped with left-hand wheel shield, remove
  it (C).
• Move husker to within a few inches of the com
  head. 4, Adjust stands or blocking to allow
  husker faceplate
• to move under the main trame tube.
• 5. Move husker into the corn head SLOWLY until
  the faceplate is evenly seated within the frame
  opening. It should not be more than two inches
  (51 mm) below main frame tube.
• 244 Corn Head
• AStands
• BMain Frame Tube
• C L.H. Wheel Shield Removed D Attach to
  Faceplate
• EWheel Shield Support Rod

21
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