John Deere Harvesting Units Service Repair Manual Instant Download

1
Harvesting
Units
TECHNICAL MANUAL Harvesting Units
TM1295 (01AUG83)
English
John Deere Ottumwa Works TM1295 (01AUG83)
LITHO IN U.S.A. ENGLISH
2
HARVESTING UNITS TECHNICAL MANUAL TM-1 295
(AUG-83)
CONTENTS SECTION 40 ROW-CROP UNITS Gro up
05 General Info rm at ion Group 10 - Diagnosing M
alI unct ions Group 15 - 2-Row Row-Cro p Group 20
- 3-Row Row-Cro p Group 25 MuIti-Luber Repair
(3-Row Only) Gro up 30 4 Row Row-Cro p
SECTION 10 - CORN HEAD UNITS Group 05 - General
In formation Group 10 - Diag nosi ng Mal f unctio
ns Group 15 - Power Trai n Group 20 - Co rn Head
Attach ing Parts
SECTION 20 - MOWER BAR UNITS Group 05 - General
In formation Group 10 - Diagno sing Malf unct
ions Gro up 15 - 1.83 m (6 ft) Reel Group 20 -
3.66 m (12 ft) Reel Group 25 - 1.83 m (6 ft) Main
Drive Sh aft Group 30 - 3.66 m (12 ft) Ma in
Drive Sh aft Group 35 - 1.83 m (6 ft) Aug
er Group 40 3.66 m (12 ft) Auger Group 45 - Kn
ite Drive Case Group 50 - Knives
SECTION 50 - 483 AND 484 STALK ERS Group 05 -
General In fo rmat io n Gro up 0 Di ag no sin g
M al func Iions Group 15 - M ult i- Lube r Re
pair Gro up 20 - Row Units Group 25 - Au
ger Group 30 - Cutt ing Components
SECTION 60 - SPECIAL TOOLS Group 05 - Purchased
Tool s Group 10 - Fabricated Too Is
SECTION 30 - PICKU P UNITS Group 05 - Diagnosing
M al f u nct io ns Gro up 10 - 1.68 m (5 1/2 ft)
Hay Pi ckup Grou p 15 2.14 m (7 ft) Hay Pi cku p
A II in form a tion, illus trat ions and speci
fica tions conta ined in this technical man ual
are based on the las Iest in forma tion ava i
table a I th e time of publica tion. The righ t
is reserved to make changes at any time wi thout
not ice. GOPYRIG HT ' 1083 DEERE COM PAN
Y Ai! righI s reseryed /\ J HN HEE R ! LLUSTRIJ
CTI ON
TM-1295 (A ug-83)
Litho in U.S.A.
3
INTRODUCTION This technical man u at is part of a
twin concept of service FOS Manuals for
reference Technical Manuals for a ctual
service The two k inds of man u at s work as a
team to g ive you both the general background and
technical detail s o shop service.
Fundamentals of Service (FOS) Manuals cover
basic theory of operation, funlamen tals of
trouble shoot Ing, general maintenance, and basic
types of failures and their causes. FOS Manuals
are for training new people and for reference by
experienced tech nicians.

Technical Manuals are concise service guides
for a speci fic mac hine. Technical Manual s
are on-the-job guides containing onty lhe vital
information needed by an experienced technician.

• FEATURES OF THIS TECHNICAL MANUAL
• John Deere ILLUSTRATION format emphasizing more
  detailed pictures and fewer words.
• lnstruc t ions and il I ustrations g rouped
  together in easy-to-use modules.
• Removal and installation groups preceding some
  repair groups. These groups show how to remove
  and install components from the machine rather
  than mom major components. They also show how to
  acquire access to major components of a machine.
• Exploded views sno wing parts rel a tionship.
• This tech nIcal manual was p an ned and written
  for yo u
• an experienced tech ni cian. Keep it i n a perm
  a nen t bi nder i n t he s hop where i t i s han
  dy. Refer to i t when-
• ever in dou bt abo ut correc I se rvice
  procedures or speci/i cat ions.
• Usin t he tech ni cal m an u a! as a guide will
  red u ce erro un cost Iy del ay. It will aT so
  assure you t he be at n fin i shed serv ice wo
  rk.

Litno in U.S.A.
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SAFETY MESSAGES This safety alert symbol and the
word CAUTION identify important safety
messages in this manual and on the machine.
When you see this symbol, be alert to the
possibility of personal in- jury and carefully
read the message that follows. U
0/0101NT/C/090683
NOTES The word NOTE is followed by a statement
that iden- tifies a qualif ication or
exception to a previous statement. A NOTE"
may also identify nice-to-know in- formation
pertinent to, but not directly related to the
previous statement.
3
Litho in U.S.A.
TM-1295 (Aug-83)
6
OBSERVE SAFETY RULES CAUTION This safety alert
symbol identifies im- portant safety messages in
this manual and on the machine. When you see this
symbol, be alert to the possibility of personal
injury and carefully read the message that
follows. Avoid loose clothing that can catch in
moving parts and p ut you out of work. Wear your
safety glasses while on the job.
Avoid working on equip ment with the engine
running. I f it is necessary to make checks with
the engine running, ALWAYS USE TWO PEOPLE with
the operator, at the controls, able to see the
person doing the checking. Also, place the
transmission in neutral and set the brake. KEEP
HANDS AWAY FROM MOVING PARTS.
' '
Keep transmission and b rake control units
properly ad- justed at all times. Before making
adjustments, stop eng ine. Before removing any
housing covers, stop en gine. Take all objects
from your pockets which could fall into the
opened housings. Don't let adjusting wrenches
fall into opened housings. Don't attempt to
check belt tension while the engine is
running. Don't adjust the fuel system while the
machine is in motion.
T27999i0000/Bi090683
Litho in U.S.A.
TM-1295 (Aug-83)
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7
SERVICE TIRES SAFELY CAUTION Failure to follow
proper procedures when mounting a tire on a wheel
or rim can pro- duce an explosion which may
result in serious injury or death. Do not attempt
to mount a tire unless you have the proper
equipment and ex- perience to perform the
job. When sealing tire beads on rims, never
exceed 240 kPa (2.4 bar) (35 psi) 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, including necessary safety
precautions, are con tained in John Deere
Fundamentals of Service (FOS) Manual 55. Such
information is also available from the
Rubber Manufacturers Association and from tire
manufacturers.
USE ADEQUATE SERVICE FACILITIES Keep the service
area clean and dry. Wet or oily floors are
slippery. Wet spots can be dangerous when work-
ing with electrical equipment. Make sure the
service area is adequately vented. Periodically
check the shop exhaust system for leakage. Engine
exhaust gas is dangerous. Be sure electrical
outlets and tools are properly grounded. Use
adequate light for the job at hand. Service the
machine on a level, hard-surfaced area. Use
lifting equipment and safety stands which have
ade- quate strength for the job being performed.
Litho in U.S.A. 5 TM-1295 (Aug-83)
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ALWAYS engage the lift cylinder stop to the
locked (A) posit ion when working on or
under the pull-type harvester with the
harvesting unit in the raised posit ion. Always
ret urn lever (B) to the unlocked (C) posit ion
before operat ing. I f attached to self-propel
led, lower support stands to the ground and p in
to prevent accidental lowering of unit. Disengage
power and make sure all movin g parts have
stopped befo re servicin g machine.
PROTECT AGAINST NOISE Prolonged exposure to loud
noise can cause impairment or loss of
hearing. Wear a su it able hearing protective
device such as ear- muffs (A) cr earpl ugs (B) to
protect against objectionable or uncomfortable
loud noises. N3S539/0000/L/090663
DO NOT MODIFY MACHINE Unauthorized modifications
to the machine may impair the funct ion and/or
safety and affect machine life.
Litho in U.S.A.
TM-1295 (Aug-83)
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9
EAR CORN UNITS
Section 10
CONTENTS
Page
Page
Disasse mble Barrel Assem bly ... . 10-15-24
GROUP 0fi - GENERAL INFORMATION
10-05-01
Inspect Barrel Assemb Iy ...........10-15-24 Rep
air Barre I Assemb Iy ............10-15-25 Attach
Barrel Assemb ly To Gear Case ....................
..10-15-26 Instal I Gear Case ....... ,
.........10-15-29
GROUP 10 - DIAGNOSING MALFUNCTIONS
.........10-10-01
GROUP 15 - POWER TRAIN
Inspect SIip Clutc h .
. ......10-15 30
Spec ial Tool s . . Fab rica ted Tool s .. ..
..... ....10-15-01 ......10-J 5-01
A ssembie Slip CIutch ..............10-15-30
Adju st Gatherer Points .............10-15-31
Specifications ....................10-15-02
Adju st SIip CIutch . . ... 10-15-31
Torques ... ............10-15-02
Adjust Trash Kn ives ...............10-15
32 Adjust Stalk Roll s .................10-15-32
Adjust Deck Plates and Gatherer Chain Guides
...................10-15-33 Adjust Gatherer Chai
n Tension .....10-15-34 Adjust Feeder Drive
Chain ..........10-15-34
Remove Row Unit Frame ...........10-15-03 lnspect
Row Un it Frame ...........10-15-06
Assemb Ie Row Un it Frame
.....10-15-07 ........10-15-07 ....
...10-15-08 ... ........10-15-08
Remove Stalk Rolls . .. Inspect Stalk RolIs
Install St alk Rolls ..
GROUP 20 - COFt M HEAD ATTACHING
PARTS Disassemble and A ssemble Corn Head At
tachi ng Farts ............10-20-01
Remove Gear Case ................10-15-09
Disas semble Gear Case . ....10-15-10
In spect Gear Case Components .....10-15-12
Remove Coun tershaft Bushi ngs .....10-15-13
Install Countersh aft Bushi ng .......10-I 5-13
Replace Bearing s and Bush ing s ....10 15-J 4
Remove Gatherer Drive Shatt Bushi ng and Seal
...............10-15-14 Remove Input Shaft NeedIe
. 10-15-14
Bearing s and Seal s Install In put Shaft Need
Ie Beari ng s and Seal s ...
.. 10-15-15
Remove Gatherer Cap Bush ing s ....10-15-16 Rep
lace Id ler Gear NeedIe Bear ing s
.......................10-15-17 Assemb Ie Gear
Case ..............10-15-18 Instal I Expansion
PIugs ........10-15-20
TM-1295 (Aug-83)
Litho in U.S.A.
10-01
10
Group 05 GENERAL INFORMATION
I s
B Gatherer Point
D Gatherer Chain
E Feeder
A Ear Save rs
C Crop Divider
The snapper roll unit is the same desig n as the
40 Series Corn Head. The row unit is driven by
its own gear-type drive. The drive is in a fully
enclosed case located under the row unit. A row
unit input shaft (A) is driven from the feed roll
drive case of machine. This shaft drives the slip
clutch (B) which in turn drives the input gear
located in the gear case. This input gear drives
an idler sp ur gear, which drives the main co
untershaft (C). The main countershaft has two
sets of bevel gears. The inner set, which
consists of two bevel gears welded to the driving
spur gear, drives the stalk roll shafts (d). The
outer set of bevel gears drive the gatherer shaft
(E). A slip clutch (B), located on the inp ut
shaft at the upper end of the gear case helps
protect the gear case.
A Input Shaft B Slip Clutch C Main
Countershaft D Stalk Roll Shafts E Gatherer
Shafts
Cut away View of Gear Case
E 1315 3/H 3066/1 005/T/09063
Litho in U.S.A.
10-05-01
PM-T2g5 (Aug-83)
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General In formation
LUBRICATION
Carefully written and illustrated lubrication
instruc- tions are included in the operator's
manual furnish- ed with your customer's ear corn
unit. Remind the customer to follow these
instructions.
For your convenience, the following chart shows
capacities and types of lubricants for the One
Row Ear Corn Unit. Specifications for lubricant s
follow the chart.
Component Capacity Ro ller Chains
Type of Lubricant Interval of Service
J ohn Deere PT 508 Special Lubricant or SAE 30
engine oil Joh n Deere Multi-Purpose Lubricant or
an equivalent SAE multi-purpose-type g rease.
Daily
Gears
Every 50 Hours
1.62L (56 oz)
J ohn Deere Gear Case Lubricant or an equivalent
type 0" (zero) extreme pressure lubricant.
Every 50 Hours
Gear Case
GREASES John Deere Multi-Purpose Lubricant or
an equivalent SAE multipurpose-type grease is
recom- mended for the gears. Application of
grease as in- structed in the lubrication chart
wil I provide proper lubrication and will
prevent contamination of bearings.
STORING LUBRICANTS
The One Row Ear Corn Unit can operate efficiently
onIy if clean lubricants are used. Use clean con-
tainers to hand Ie all lubricants. Store them in
an area protected from dust, moisture, and
other contaminants.
ooh.o oboe
Litho in U.S.A.
10-05-02
TM-1295 (Aug-83)
12
Group 10 DIAGNOSING ËALFUNCTIONS
Group Reference
Cause Gatherer points set too high.
Rememdy Adjust gatherer points to just touching
the ground. When picking low hanging ears, raise
front tip of gatherer points and run ear
corn unit with the skids close to the
ground. Operate at a speed to meet field and
ground conditions. Excessive ground speed can
cause ears to fall off the stalks ahead of
the gatherer chains. Too slow ground speed can
cause the ears to slide forward out of the unit.
Operate at a speed where the gatherer
chains merely help guide the stalks into the
rolls. Adjust ear savers. See operator's
manual. Spread deck plates, a little at a time,
until stal ks feed throug h roll s mo re f
reely. Slow down to meet crop conditions or
increase row unit drive speed. Check for 42 tooth
on 35 and 38 Harvesters and 30 tooth on
3800 Harvesters. Use the 17 tooth on 3940 and
3950 machines. Low er gatherer points.
Problem
Loss Of Ear Corn In The Field
15
Ground speed too fast or too slOW.

Ears Sliding Out Through Throat Pulling Up
Cornstalks
Ear savers not properly adjusted. Deck plates set
too close together.
15
Traveling too fast for gatherer chain
speed. Improper harvester drive sprocket.
Gatherer chai n Iugs digging into cornstal k
roots. Corn extremely dry or down. Worn stalk
rolls. Defective seal under stalk roII. Defective
bearing.
15
Remove ear savers. Replace rolls. Replace seals.
15 15
Barrel Assembly Leaking Grease
Replace beari ngs, check seals.
15
Litho in U.S.A.
TM-1295 (Aug-83)
10-10-01
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Group Reference 15
Problem Plugging
Remedy Adjust the opening of deck plates. Set
trash knives closer to stalk rolls. Adjust
gatherer chains. Check for broken or bent sheet
metal that may prevent flow of material. Slow
down. Operate at a speed to meet the yield and
ground conditions. Faster speeds wil I cause plu
gging. Remove ear savers.
Cause
Stalks breaking in stalk rolls or deck
plates. Trash winds around stal k rolls. Loose
gatherer chains.
15
15
Material catching on sheet metal.
Ground speed too fast, causing too much material
to go into unit too fast.
Corn stalks pl ugging in gatherer throat opening.
Wo rn stalk rolls. Stalk roll shafts not properly
t imed. Stalk rolIs striking trash knives.
Replace rolls. Remove and re-time shafts.
15 15
Stalk Rolls Clashing
Adjust knives to proper clearance.
15
Gear Case Noisy
Lac k of Iubrican t.
Fill to correct IeveL Check for leakage. See
operator's man ual. Check back Iash.
Gears not meshing properly.
15
Excessive backlash. Binding of gears.
Adjust backlash of gears. Refer to Assemble Gear
Case". Replace seal s.
15 15
15
Gear Case or Barrel Assembly Excessively Hot
Seal fail ure causing loss of grease.
Lack of lu bricant.
Fill to correct level. Check for breakage. See
operator's manual. Check for correct assembly.
Binding of gears.
15
Defective bearings or bu shin g s.
Replace bearing s or bushing s.
15
Improperly installed bearing caps.
Refer to Assemble Gear Case".
Dirt packed in stalk roll and on barrel.
Keep d irt and chaft removed around stalk rot Is.
Litho in U.S.A.
10-10-02
TM-12gr (Aug-83)
14
Group 1S POWER TRAIN SPECIAL TOOLS The following
tools, or their equivalents, are recommended when
performing this job. For increased efficiency,
gathef the tools before beginning the job. NOTE
See Sec tion 60 for addi tionaI in forma
tion. Numbar Use
Puller Seal Installer PIug Installer Spacer Spacer
Seal Instal ter Seal Oriver Hande Spacer Stat k
Roll Timing Tool Master Bu shing and Seal Drive
Set Tool 0 rganizer Board
D-01243 AA J DC-400-1 JDC-400-2 JDC-400-3
JDC-400-4 JDC-400-5 JDC-400-6 JDC-400-7 JDC-400 8
JDC-400-10 D-01045 AA D.01046 AA
To remove bear ing from stalk roll shafl. To in
stall gatherer shaft seal s. To install expansion
plugs. To install gatherer drive shaft bushings.
To instalI input shaft needle bear ing. To
instalI barrel seal s. To install input shaft
seal. Used w ith the various drivers and spacers.
To instalI barrel bearing s. To set correct t
imin g of stalk roll s.
Some ot the drivers in this set are required for
use w ith the J DC-400 series tool s. Keep s
D-01045 AA set c omponents in proper order and
safe from Ios s. Tool s not included.
FABRICATED TOOLS The f ollowi ng tool s can be
made for ease in repairi ng the following
component. Speci fications tor making the tool s
can be located in Section 60.
Name Gear Case Sup port Bracket Dowel Studs
U se To hold the gear case firmIy in a vise. To
help instalI the barrel assembly on the gear
case. Can be used if JDC-400-10 is not avai lable.
Stalk Roll Timing Tool
Litho in U.S.A.
TM-1295 (Aug-83)
10-15-01
15
Power Train
SPECIFICATIONS Item
M easurement
Specification
Gear Case
Capacity
1.62 kg (56 oz.) John Deere Corn-Head Lube or
equivalent 71 mm (2 13/16-in) 1.5 mm (1/16-in)
Slip CIutch Trash Knife to highest fl ute on
stalk roll Gear Case Input Shaft Gear Case Input
Shaft Gatherer Drive Shafts Stalk RolI Shafts
Gatherer Cap Gaskets Barrel Assemb ly Gaskets
Deck PIate
CO i I-tO-CO ÏI Clea ance
End Play Backlash Back lash Backlash Thickness
Thickness Clearance
0.13 mm to 0.38 mm (0.005 to 0.015-in) 0.13 mm
(0.005-in) min. 0.20 to 0.36 mm (0.008 to
0.014-in) 0.20 to 0.36 mm (0.008 to
0.014-in) 0.18 to 0.25 mm (0.007 to
0.010-in) 0.18 to 0.25 mm (0.007 to 0.010-in) 3
mm (1/8-i n) wider at rear than front
TORQUES
Item
Co u nt ersunk Head Cap Screws (by gatherer c
hain sprockets) Gatherer Chain Guide Cap Screws
Trash Knife Cap Screws Stalk Roll to Shaft F
Grade Cap Screws
110 N-m (80 Ib-ft)
115 N-m (85 Ib-ft) 115 N m (85 Ib-ft) 150 N m
(110 Ib-ft)
TM-1295 (Aug-83)
Litho in U.S.A.
1015-02
16
Po wer Train
REMOVE ROW UNIT FRAME 1. Remove fender (A) and
gatherer poi nt (B) to com- pletely expose the
row unit.

• CAUTION Never service any part of the gatherer
  chain mechanism or idler sprocket until nut (A)
  is tight against the leg of the idler support
  strap.
• Rel ieve g atherer ch ain tension by turni ng nut
  (A) untiI it is ag ai nst the leg of the i dler
  support strap (B).
• Loosen bolt (C), until tensio n is off g at
  herer chain.
• Remove bolts (D). This will allow the idler
  sprocket
• (E) to move bac k so the gatherer ch ai n (F), c
  an be removed.
• NOTE If idler sprocket will not slide back,
  remove entire idler assem6/y and clean idler
  support strap and the slot in the idler support
  bracket.
• A Nut
• B Leg of Idler Support Strap
• c soft

Litho in U.S.A. 10-15-03 TM-1295 (A ug 83)
17
Power Train

1. Remove gatherer chain (A).
2. Remove snap ring and drive sp rocket (B).
3. Remove two allen head screws (C).

• Loosen two 3/in. cap screws (A) and sllde slip
  clutch
• on drive shaft.
• Remove two eyebolt nuts (B) and 5/8-in. cap
  screws holding gear case.
• Remove gear case and row unit.

TM-1295 (Aug-83)
10-15-04
Litho in U.S.A.
18
Po veer Tra in
1 Plate (2 used) 2 Bolt (2 used) 3Lock Washer
8 Cap Screw (4 used) 9 Lock Washer (16
used) 10 Bushing (2 used) 11 Spring (2
used) 12 Washer (2 used) 13 Cap Screw (4
used) 14 Washer (4 used) 15 Nut (2 used) 16
Cap Screw (2 used)
17 Guide (2 used) 18 Frame 19 Kni fe 20 Cap
Sc rew (8 used) 21 SockeI Screw (4 used)
24- Wa sher (8 used) 25 Nut (2 used) 26 Lock
Not (8 used) 27 Clip (2 used) 26 Bolt (2
used) 29 Bolt (4 used) 300- Ring (58819-1 31
Washer (588191 32 Lubrication Fitting (588181- )
( -588190)
(2 used)
4 Not (2 used) 5Strap (2 used) 6 Chain
Sprocket (8-Tooth) (2 used) 7Support (2 used)
22 Washer ( (2 used) 23 Lock Wa sher (4 used)
)
58g1g0)
)

1. Refer to ill ust ration and rem ove id ler s
   procket (6), id ler suppo rt (7), id ler support
   strap (5), id ler stop (10), spring (11), fl at
   washer (12), and machine bolt (16).
2. Remove the two cap screws (13), lock washers (9),
   and fl at washers (14), attaching chain guide
   (17) to row units frame (18). Remove deck plate
   (1).

Litho in U.S.A.
10-15-05
19
Power Train
CAUTION Approximate weight of the row unit
frame is 23 kg (50 lbs), use two people to remove
it from the unit. 13. Remove 8 cap screws and
trash knives (A). NOTE Re fer to Remove Gear
Case for complete in- formation concerning
removal, service and in- stallation of the gear
case. E22754/1015/L 1/09068 3
INSPECT ROW UNIT FRAME Inspect all parts removed
from the row unit frame for damage or excessive
wear. Replace parts as necessary.
Litho in U.S.A.
101506
TM-129s (Aug-83)
20
Power Train

• ASSEMBLE ROW UNIT FRAME
• Refer to Install Gear Case if it has been
  removed for service.
• Refer to Install Stalk Rolls on gear case and
  assemble.
• Install row unit frame with four countersunk head
  cap screws and four cap screws. After all cap
  screws are installed, torque to 110 N m (80
  lb-ft).
• Install drive sprockets on hex. shafts and secure
  with snap rings. Refer to exploded view of row
  unit frame.
• Install deck plates (1) and chain guides (17). Do
  not tighten cap screws at this time.
• Install machine bolt (13), flat washer (14),
  spring (11), idler stop (10), idler support strap
  (5), idler support (7), and idler sprocket (6).
• E03I015 J 270684

• REMOVE STALK ROLLS
• CAUTION Stalk rolls can rotate during removal.
• Exercise care.
• Remove trash knives (A) from underside of row
  unit frame.
• Remove stalk rolls (B) from shafts by driving out
  double spring pins (C) and removing F grade cap
  screws (D).

10-15-07
Litho in U.S.A.
TM-1295 (June-84)
21
Po wer Train
3. Use pul ter to remove roll (A) hal f way.
Complete removal using rubber mal let.
INSPECT STALK ROLLS Inspect stalk rolls for wear
or damage. Hard-faced stalk rolls are available
as service parts. IMPORTANT Be certain to
replace stalk rolls in pairs. Do not install a
hard-faced stalk roll with a soft one.

• INSTALL STALK ROLLS
• Clean stalk roll shaft and outside of barfel.
  Coat Sh aft with grease before sl iding on new
  roll.
• NOTE The spirals on the FRONT rotate to mo
  ve materials to the rear of the stalk roll. The
  flutes turn down and toward the opposite stalk
  roll.
• Secure stalk roll to shaft with double sp ring
  pins (A) and two F g rade cap screws (B). Torque
  cap screws to 150 N-m (110 Ib-ft).
• IMPORTANT If stalk roll cap screws are replaced,
  use only 19H2735 1/2 x 2-inch F grade cap screws.
• Adjust trash knives.

10-15-08
Litho in U.S.A.
22
Power Train

• REMOVE GEAR CASE
• Remove gatherer chains and sprockets. See Remove
  Row Unit Frame".
• Remove stalk roll s (C, it repl acemen t is
  necessary) from sh afts by drivi ng ou t double
  sprin g pins (A) and removin g F grade cap screws
  (B).
• Use puller to remove roll (C) hal fway. Complete
  removal using rubber mal let.
• Remove eight cap screws (D), housing and shafts.

A Spring Pins B Cap Screws C Stalk Roll D
Cap Screws
Liiho in U.S.A.
TM-1295 (Aug-83)
10-15-09
23
Power Train
DISASSEMBLE GEAR CASE 1. Remove six cap screws
(A), washers and barrel assemb Iy.
2. Scribe line on gear case and each drive shaft
assembly (A). Remove drive shaft
assemblies. NOTE During re-assembly, match
scribe marks. Assem- ble gatherer drive shaft
assemblies on same side as they were removed.
TM-1295 (Aug-83)
Litho in U.S.A.
10-15-10
24
Power Tra in

• Remove end caps (A) from end of gear case. Drive
  caps from inside of case or pry out with a screwd
  river. Be careful not to damage sealing surface
  of cap.
• Remove s nap ring (B) from either end of hex
  shaft.
• Remove hex shaft and both bevel gears (C).
• Rem ove end cap (D).
• Push hollow shaft (E) and gear out of gear case.

• Drive in plug (A) until the opposite plug is
  loose. Remove plug. Drive shaft back until the
  remaining plug is loose. Remove remaining plug.
• Exercise care when driving out id ler shaft. Try
  not to damage tolerance ring. Do not d rive
  tolerance ring through idler gear bearings. Drive
  shaft from same side as cap removed in step 6 and
  out opposite side.
• Remove id ler gear (B) from gear case.

Litho in U.S.A. 1015-11 TM-1295 (Aug-83)
25
Power Train
INSPECT GEAR CASE COMPONENTS Wash all parts
thoroughly in clean solvent. Clean all grease out
of gear case. lnspect all parts for wear or
damage, especially bushings, bearings and
seals. E03J015 L 270684
REPLACE BEARINGS AND BUSHINGS NOTE The part
number is stamped into each special
tool. Assemble tool as shown. AJDC4007 Handle
B27502 1-3/16-inch Disk C27499 1-inch
Disk 10020 Screw AA5H3 0689 E031015 M 270684
REMOVE GATHERER DRIVE SHAFT BUSHING AND SEAL 1.
Use tool and drive through gatherer cap opening
in gear case against bushing. Drive out both
bushing and seal.
ASpecial Tool BBushing and Seal
10-15-12
TM-1295 (June-84)
Litho in U.S.A.
26
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INSTALL GATHERER DRIVE SHAFT BUSHING 1. Assemble
tool as shown. A-dDC4007 Handle 27506
1-7/16-Inch Dlsk 27490 1-inch Disk 10020
Screw E-dDC-400-3 Spacer
2. Use tool to install bushing. Drive bushing
from bottom to obtain proper location of bushing
in case.
A-Bushing BGpecIaI Tool
REMOVE INPUT SHAFT NEEDLE BEARINGS AND SEALS 1.
Assemble tool as shown. A-dDC400-7 Handle
27520 2-5/16-Inch Disk 27515 2tnch Disk 10020
Screw AA5,H30697 E03I0 s 9 270664
10-15-13
Litho in U.S.A.
TM-1295 (June-84)
28
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