John Deere 99 Two-Row Self-Propelled Cotton Picker Operator’s Manual Instant Download (Publication No.OMN63160)

1
99 Two-Row Self-Propelled Cotton Picker
Y
C
D
OPERATORS MANUAL 99 Two-Row Self-Propelled Cotton
Picker OMN63160 A0 English
A 0
O M N 6 3 1 6 0
OMN63160 A0
LITHO IN U.S.A. ENGLISH
2
Your new cotton picker was buil I to rigid
manufacturing standards. Material a ncl
workmanship are the best. I t will serve you in
direct pro- portion to the care you give it.
Depreciation, in a machine of this kind, is an
item of expense that must be considered. How
long it will last and con- tinue its good woi k
is a matter entirely in your hands. The way you
operate your cotton picker and the care you give
it have much to do with tie service and
satisfaction you will get from it. This manual
has been carefully prepared and illustrated to
show you what to do and when to do it. I t
explains the adjustments that are built into the
machine and gives instr nations on when and how
to make these adjust- ments. The infor rna tion
given in this Nlanual will afford a clear under-
stand ing of the funcl a nientals of cotton
picker har vesting. The best use of these
fundamentals to suit the conditions in which the
machine is opera ting is a responsibility t hat
is completely up to the operator. If you find you
need infor mation not covered in this manual or
if your cotton pic ker requ ii-es special
servicing, take advantage of the facilities
offered by your Joh n Deere dealer. He has
trained mechanics, who are Inept informed on
the best methods of servicing anlt can give
you prompt, know-how service in the field or
in his shop. Loca tion References. Right and
Left, Fron t and Rear refer to the
operator's Right or Left and Front or
Rear when facing the same direction mach ine is
headed or traveling. Cl ockwise refers to a
shaft, screw, or similar part turn ing to the
operator's Ri g ht, or like the hands of a
clock. Co u nter-c lockwise refers the the oper
at or's Let t. S E R I A L N U 5/t B E R You
will Hinet the serial nu rnber of your cotton pi
'- r sta mped on a plate located on the left
-haunt platfor iii post. The engine s l number
is stamped on a plate located just foi'ward
of the engine fi 'iee1 housing. Write these
serial numbers in the space provided below fa
ndy reference later. PI C K ER SERIAL No..
ENGINE SERIAL No.. .
Date P urchaseci .
, 19 .
3
CONTENTS
DESCRIPTION AND SPECIFICATIONS.... .. ... . CONTROLS. .. ... . .. . -. .. 2-6 7 _at_
Picker Controls .. , ..................................... 79
LP-Gan Controle ........ ......... ...... ............. 1012
OPERATION. . ......... .. . ... . ... . ... .. 1328
LUBRICATION ... , ..................................... 2948
ADJUSTMENTS AND SERVICE.... ........ .. . .. 4991
Stalk Lifters ........................................... 49
Spring Fingers and Grid Bars... . 505i
Pressure Plates.......... . . . .... .. ..... 52
Picking Unit Pressure Trip Clutch.................. , ..... 5354
Spindles and Picker Bars ... ............................ 55-59
Doffer...... , .. ........ ........ , , ........ .............. 6062
Spindle Moieteners ...................... ...... .. .... 6364
Water S'ystem.... .... ...... .... . ... . . .... ..... ... 6568
Picking Unit Lifta ................... .................. 69
Row Spacing.... , .... .. , . .... .... , . .... .. ............ .. 70
Balance Spring............................... .. .... 71
Picking Unit Gauge Stops ....................... , , .. , ... 71
Hydraulic Cylinder Stops..... . ........ .......... . ... . ... 72
Stabilisers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Slip Clutches................................... .... .. 73
Picking Unit Drive Belts ...... , ......................... 74
Fan and Fan Belt........ . . .............. 75
Brakes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7677
Steering Mechanism....... ... ..... .. .... ...... . 77
tCh . ...... ... ......... ...... , ......................
Basket Lid Grates ...... 80
Ti'.ngine Service .... . 80-89
Fuel S'ystem ................... 80-82
Ignition S'ystem ..... 83-86
Cooling System . .... 87
Valve Tappet Adjustment . 88
Fan, Generator, Hydraulic Pu mp, and Power Steerjng Belta. 88
Starting Motoc ....... .................... 89
Wiring Diagrams..... ... .- .... 90-91
TROUBLESHOOTING..... 92-111
. MAINTENANCE.... . 112117
EXTRA EQU1PMENT..... .... 118-120
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BASKET LI D' WAFEP TAN K'
DISCHARGE DUCT
LADDER
PICKING UN(T
COTTON DUOT WHEEL SH IELD
STALK LIFTERS
SPR I NG FINGERS
Row Width
Shipping Weight High Drum . . Low Drum . .
Will Pick . 38- or 40-in. rows
11,950 lbs . 11z 0 lbs
Shipped set foe 40-in. cows
Grou nd ispeeds Picking Speeds Transport Speed
Reverse Speed . Capacit res
Tirea Front Drive Wheels 1Sx26, 6- or 10-ply Bar
or Low Profile Tread Rear Guide Wheel
7.50x20, 10- ply Triple lib Ground Clearance
Under Main Axle . .. ... . 34 in.
2. I and 2. 7 mph 8.3 to 11.0 mph
Cotton Basket 1600 lbs. Seed Cotton with
2100 lbs.
Extension . . .. , GaaoHne Tank LPGasTak (85(p
Full . Cooling System . . Water Tank. Crankcase
and Oil
33 U S. g''
Di m ensions Length, Ovec All, ... 19 ft. 8 in.
Width, Over-All .... 9 ft. 11 in. Height
41 U.S. gals. 6 U.S. gals. 67 U.S. gals.
(Regular) .. . , . ... 13 ft. 2 in.
(With Basket Ext.) 14 ft. 5 in.
6
DESCRI PTION AN D SPECI FICATI ONS
Di mentionsContinued Tread, Center-to- Center of
Tires ... 79-1/8 in. Wheel Base , , , , . , .....
109 in.
Ignition System .... Battery 12 -Volt
Distributor Air Cleaner . . Heavy -duty oil bath
with pre-cleaner ecreen
Picking Unite Nol. of Units .. . No. of Picking
Drumm .... No. of Picking Bars Front Drum . Rear
Drum . . No. of Fipindles Per Picker Bar Low
Drum ... High Drum . . Total Spindles on Picker
Low Drum . High Drum ,
Engine take,.
2
John Deere NA 217G (Gasoline) NA21 7L (LP-Gas)
6 3 -5/8 in. 3-1 /2 in. 217 cu. in.
No. of Cylinders . Bore .... Fitroke ,
Displacement.... Hor8epower
t6 t2
14 20
Gasoline ..... ...... LP-Gae . ...
......... Tappet Clearance
77 hp 77 hp
784 1120
Intake ...015 (cold)
Optional Equipment Manual or Power Fiteering
Gasoline or LP-Gae Engine Low or High Lift
Basket LowqPpro)file Tires (15 x 26, 6-
or Bar Tread Tires (15x26, 6- or
10-ply) Extra Eguipmertt Tunnel Grids Pressure
Plate Ribs Basket Extension High-Lift Basket
tField Conver- Power Steering (Field Conver-
sion) Safety Lamp Fan Drive Belt Fihield P i ck i
n g U n it P ressu re Tri p Clutch
Exhaust. . . . . . . . . .015 (cold)
Firing Order. . , . ... 1-5-3-6 -2-4
Valve Location .. . Valve-in-head Speeds
Rated Load . . 2500 rpm
Idle .............. 600 rpm
Carburetor ... Mar vet-Schebler (Pringle Up
Draft) Type of Fuel . Regular Gasoline (except
LP-Gae engines) Oil Filter . Regular Equipment
Clutch .. .. .. ..
Borg and Beck (Single Plate)
Cooling System .
Wa ter, Pressure Type
7
DESCRI PTION AN D S PEC I FICATIONS
The 99 i8 a practical two-row cotton picker. The
operating coots are low. It is easy to handle and
transports fast. T he picker convicts of four
baeic cfc- ments.

,

• P reining Units.
• Operator's Platform and Controls.
• Fan deliver y System and Baeket.
• propelling Mechanism.
• 7hcec basic components are mounted in such a way
  that the cotton
• picker is well balanced and the picking operation
  is very fficient.
• PICKING UN ITS.
• The heart of the picker is the highly efficient
  spindle-type picking unit. There are two drums of
  spindles per picking unit. The front dru m
  consists of 16 cam-controlled piclcer bars and
  the rear drum consists of 12 cam- controlled
  picker bars. On each picker bar there are 14
  spindles in a low drum unit or 20 spindles in a
  high drum unit. In all thert are 784 barbed
  spindles for the low drum units or 1120 barbed
  spindles for the high drum units picking cotton
  from the plants.
• There is a dofler assembly for each spindle drum
  to unwind the cotton from the apindlee and
  deliver it to a chute in the door. Each aeaembly
  conzietz of a shaft with 14 or 20 alu minum alloy
  doffer plates that have the tub ber dollars
  molded to the plate.
• There ie also a spindle moiotener column for each
  spindle dru m that wipeo each spindle with water
  to lceep it clean for a better job of piclcing
  cotton.
• The stalk lifters guide the en tton plant into
  the piclcing rone of the unit where the grid bara
  and pressure platen take over to hold the plant
  in position for picking.
• her n k p ly ñin Dr u m

8
5
DESCRI PTION AN D SPECI FICATION S
PAD
PLATE
HOW THE PICKI NG UNIT WORKS. Knowing what is
going on inside the picking unit will be a great
help to you. It will give you a better
under8tanding of the capabilities and limita-
tions of a mechanical cotton picher. You will
a18o know why certain ad- justments are necessary
and when to make the adjustments. The
illu8tration on the next page shows what happens
during the picking cycle. At A the spindles go
under the moistenere and are cleaned of lint,
plant sap and stain by a film of water. Next the
cleaned spindles start through the grid bare at
B. The speed of the 8pindle drums is
synchronized with the picher ground speed (2.1 or
2. 7 miles per hour) sö the spindles have no
forward or backward motion in relation to the
cotton plant. T he rotating spindles simply pohe
straight into the cotton plant and then pull
straight back. Because of this, the spindles can
brush past unopened bolls and the stalks,
leaving them un- damaged. 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 the open bolls and through the grid bars
as shown nt D. At E the cotton is being
removed from the spindles by the doffer. The
spindles move backwards under the doffer so the
doifer pade can unwind the cotton from the
spindles. PLATFORM AND CONTROLS. You are right on
top of the picking operation when at the
controls of the 99 Cotton Pieter. You are up high
out of thg dust and dirt and have maximum
visibility of everythin8 that ie going on. All
controls are within engg reach. Just matte a
couple of trips up and down n field and you will
Be perfectly at home on this cotton picker.
9
DESCRI PTION AN D S PEC I FI CAT I ONS
WA a Tuppe na Inc cde fite fie grin g In i
FAN DELIVERY SYSTEM AND BASKET. A po werful
double-ro tor fan provides individual suction for
each picking drum. The cotton is sucked out of
the picking unit through metal suction ducts to
the fan and then is blown into the basket. The
fan has spiral shaped blades eo the cotton is
handled with the least amount of damage to the
seed. The big-capacity basket will hold 1600
pounds of seed cotton or with the basket
extension, the basket will hold 2100 pounds so
you will have to du mp it fewer times during a
day. Two powerful double-acting hydrau lie
cylinders raise and lower the basket for dumping.
The lid opens and closes an tomatically as the
basket is raised and lowered.

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DASH LAMPY 6TARTER BUTTON LEFT-HAND
INSTRUMENT PANEL
ION lTlON AND LIGHT 6WITCH
_at_M M TER PICK ING UNIT
LIFT LEVER RIGHT-HAND PICK ING UNIT LIFT LEVER
FUEL GAUGE HEAT INDICATOR PICKING UNIT GEAR
SHIFT LEVER
PRESSURE GAUQE
!TRAN M ISSION GEAR SHIFT
FAN QEAR SHIFT LEVER
KE
OHOKE
FLOAJ -RlOE SEAT ADJUNT MENT LEVER
THROTTLE LEVER
BASKET LIFT LEVER
All controls for the operation of the cotton
picker are located on the operator's platform.
The high, roomy platform provides a good view of
both picking units. INSTRUMENT PANEL. The
instrument panel ccntains the ammeter, oil
pressure gauge, heat indicator, ignition switch,
light ewitch, starter button, fuel gauge
(gasoline only) and dash lamp. AmmeterRight
-hand upper gauge on instrument panel,
indicates rate of electric current flow being
applied to battery by generator, or ra te of
discharge from battery. Heat IndicatorLeft-hand
lower gauge on the instrument penel in- dicates
temperature of water in cooling system. If
temperature gauge needle raises above its normal
operating position, stop engine and deter- mine
cause. Oil Pressure GaugeRight-hand lower
gauge on instrument panel indicates pressure of
engine lu bricating oil. Pressure reading mey
vary according to operating conditions. If
pressure drops to zero at any time engine is
running, 8top engine immediately and determine
cause. This gauge doee not indicate amount of oil
in crankcase.
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CONTROLS Fuel GaugeLeft-hand upper gauge
indicates the amount of fuel in the fuel tank if
picker has a gasol rue engine.
BRAKES. The efficient mechanical-type brakes
can be applied individually or him
ultaneousljr. The individual peda!s have latches
so the brakes can be locked to hold the pinker on
a hill or incline. CLUTCH PEDAL. Depressing the
clutch pedal will disconnect the flow of power
from the engine to the transmission a nd also the
picking units and fan drives. CHOKE. The choke
is operated to draw extra gasoline into the
engine for Star t- ing. Pull button out to choke
engine push in for normal operations.
THROTTLE LEVER. The throt tle lever controls
engine speed by regulating the governor. Move
lever for watd to increase speed. BASKET LIFT
LEVER. This lever controls the unloading of the
basket. Move it to the rear to raise the basket
and forward to lower the basket. Two hydraulic
lift cyl- inders raise the bashet so it can be
emptied in a trailer to the left of the
picker. FAN GEARSHI FT LEVER. This lever engages
and disengages the auction fans and the water
shut- off valve. To engage, depress clutch pedal
and move the lever forward. TRANSMISSION GEA
RSH1FT LEVER. The transmission has four speeds
forward and one speed in reverse (two locations)
with two ne utral positions. The positions of
the gearshift lever for the various
transmission speeds are shown on the
gearshift plate. PICKING UNIT LI FT LEVERS. These
levera, located at the righ t of the
operator's platform, control the height of the
picking units individually or simultaneously
through the hydraulic lift cylinders. (Also see
Picking Unit Lift Selector on the next page.) The
picking units can be eet on the go at any
desired height above the ground. At maximum
height, the rear of the picking unit is 14
inches above the ground.

12
CO NTRO L3 PICKING UNIT STOP CRANKS. Individual
stop cranhe for each picking unit are
located in front of each suction fan, in eaay
reach of the operator. By ueing the cranhe, the
beat minimum picking unit height for a particular
field can be set. After the pinning units are
raised at the end of the field, just lower them
as far a8 the 8tops permit when re-entering the
rows and they will be right back at the desired
minimum working height. PICKING UNIT GEARSHI FT
LEVER. This lever engages and disengages the
picliing unita. To engage, de- preaa clutch
pedal and move lever forward for low range
operation, or rearward for li igh range. Neutral
is the middle position. PICKING UNIT LIFT
SELECTOR.
The piercing unit lift selector lever on
the hydraulic valve, located beneath the
operator's platform directly below the seat,
controls the
hydraulic circuits for individual or simultaneous
lift of the picking units.
See page 69. Ind'Ndua!Oprtion. NOTE Be sure
upper otid loftier unit lie brackets and the liJt
arm spicer and lie bolt nave been removed.
7'orti fee selector lever to the vertical
position. The picking unite can now be raised and
lowered individually. Simultaneous
Operation. Turn selector lever to the horizontal
position and install lift arm tie bolt and
spacer. Now either lift lever will raise both
unitg simultaneously. For beat simultaneous
operation, connect the units together with
upper and lower unit tie brackets. FLOAT-RIDE
5EAT. The float-ride neat has rubber torsion
opringa and a 8hock absorber. This seat haa
forward and backward adjustments and a seat back
adjust- ment. In addition, the tension on the
rubber springs can be adjusted to suit each
rider. Adjustment is made by turning the handle
located at the back of the seat. An instruction
plate on side of seat tells how to maice the
adjustment.
13
10
CONTROLS
LP-GAS ENGINE CONTROLS A cotton picker that has
an LP-Gas engine, has controls peculiar to LP-
Gae operations in addition to those previously
described. CAUTI ON Before attempting to uae
the LP-Gaa engine eee page 21 for inf or mat
ion on LP-Gaa and page 22 for instructions on
how to fiI1 the fuel tank.
LI gUID WITHDRAWAL VALVE
VAPUR RETURN VALVE
SAFETY RELIEF VALVE
riLLEP VALVE
VAPOR WITHDRAWAL VALVE
FI XED-TUBE LI gUl D LEVEL GAUGE
FUEL GAUGE
FUEL TANK. The fuel tank is of heavy welded ateel
construction with a fuel capacity of 41
gallons. CAUT ION The tank has a tota I volume
of 49 gallons but it must never he filled with
more than 41 gall ona, which is 85_at_ ot its total
vol u me, because LP-Gas expands ae t he
ternperatu re rises. A tank 85/p full of fuel
will be 100 full after a temperature increase
of 80F. Complete instructions for filling the
fuel tank are given on pages 22 and 23. FI LLER
VALVE. The FILLER valve is used for filling the
tank. A double check valve, built into the filler
valve, automatically prevents any fuel
withdrawal or escape. VAPO R-RET URN VALVE. The
VAPOR RETURN valve ie also used when filling the
tank. Thfu valve permits vapor to return to the
storage tank as the cotton picker fue I tank is
being filled with liquid, thus equalizing the
pressures between the two tanks and permitting
easier filling. A built-in excess-flow valve
automatically closes if how through the
vapor-return valve becomes ex- cessive. This is a
safety device designed to stop flow of vapor if
the vapor- return line is broken or disconnected.
14
CONTROLS 11 LP-GAS ENGINE CONTROLSContinued F
IXED-TUBE LIQUID-LEVEL GAUGE. This gauge is used
when the tank is being filled. Opening the
gauge, when the tank is partially full, releaeea
a fog or miet of fuel from the out- let. When the
tank is 8S9p full, the fog or mist will change to
a spray of liquid fuel. During the filli ng
process the gauge should be opened only
momentarily at frequent intervals. It should
never be left open to let vapor escape while
liquid ia being pumped into the tank. To do so ia
extremely hazardous and violates all fire and
safety codes. Use the vapor-return valve to
reduce the pressure in the cotton picker fuel
tank while it is being filled. SAFETY RELIEF
VALVE. The aafety relief valve will open and
permit vapor to escape if the pres- sure in the
tank becomes too great. The valve is set to open
at 312 pounds per square inch pressure. If the
safety relief valve continually opens in hot
weather, see your John Deere dealer and
consult your fuel dealer who may be able to
supply a different blend of fuel, especially
prepared for use in hot weather. FUEL GAUGE. The
fuel gauge indicates the liquid level in the fuel
tank. It is calibrated to show the percentage of
liquid fuel in the tank. LI QUID AND VAPOR
WITHDRAWAL VALVES. These valves control the flow
of fuel to the engine. The VAPOR valve, when
opened, supplies vapor from the top of the fuel
tank for starting the engine. The LIQUID valve
permits withdrawal of liquid fuel from the tank
for normal opera tion. Both valvee are equipped
with excess-fiow valves which automatically
close whenever the flow exceede the normal amount
used to operate the cotton picker. These valves
must be opened slowly to prevent closing the
excess-fiow valves. If a fuel line is
accidentally broken, the excess-flow valve
instantly trips and permits only a small amount
of gas to flow the excess-flow valves do not
shut off the fiow complete1y. If one of the
excess flow valves closes, it can be reset by
closing the withdrawal valve manually. AUXILIARY
FUEL CONNECTOR. The cross connector on the
liquid valve connection provides a handy means
of attaching a portable pressure tank of LP-Gas
fuel if the cotton ' picker fuel tank is
empty and it is necessary to run the cotton
picker to the fuel storage tank.
15
12
CONTROLS
LP-GAS ENGI NE CONTROLWContinued CONVERTER
FUEL USER
WATER DRAIN PLUG
DRA N PLUG
From the fuel strainer the fuel passes through
the automatic shut-off valve and enters a
converter which converts the liquid fuel into a
gae and reduces the pressure until it is just
right for efficient operation of the
engine. Heat must be applied to vaporize the fuel
and to peven t freezing of the converter parts
which get extremely cold due to heat being
absorbed by the fuel as it expands from a liquid
into a gas. Thin heat for vaporizing the fuel is
supplied from the cotton picker cooling
system. Coolant is taken from the water outlet
manifold and flows through pasaa get in the
converter. The outgoing coolant ir piped to the
water pump for recircula- tion. Because the
engine is started on vapor from the top of the
fuel tank, no initial heat ia required. Since the
coolant in the cotton picker cooling system
circulates through the converter it is important
to use only clean, soft water in the cooling
syetem. Hard water, which might cause formation
of scale in the converter, should be avoided. Uae
of a rust inhibitor in recommended. If the engine
cooling 8ystem is drained to prevent freezing
during cold weather, drain the converter by
removing drain plug on the bottom of the
converter. Also drain the su mp at the bottom
of the converter and the fuel strainer. Be sure
both vapor and liqu id withdrawal valves are
closed, ignition switch is turned off and engine
is cord before removing plugs. See page
IS. CAUTION Do not attempt to repair or adjust
the converter. Service work should be
performed only by qualified service men. See
your Joh n Deere de aler.
16
K N 0 W V 0 U R C 0 T T 0 N P I C K E R Before
starting to pick cotton, read this manual. The
information in it ie the result of years of
experience in the design and operation of
mechanical cot- ton pickers. We want you to be
happy with your new John Deere 99 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 from the picker the
performance and long life that have been designed
and built into it.
B R E A K I N G I N T H E N E W C 0 T T 0 N P I C
I E R Lubricate the entire picker before
starting for the first time. See pages 29
through 48. Check all drive belts carefully for
proper alignment and tension. Keep belts tight
enough to prevent slippage. Belts can be ruined
very quiclcly if allowed to slip in the grooves.
Excessive heating of a sheave is a sign of belt
slippage. New belts will stretch slightly
after the final run-off. Check tension
frequently. Be 8ure all shafts turn freely. Run
the picker for three hours with the engine
throttle open just enough so picker will run
smoothly. This will allow the moving parts to
work in gradually. After a short run at slow
speed, stop the picker and inspect it completely
for loose bolts, heating bearings, binding
parts, or loose belts. Start the picker again and
complete the three-hour slow-speed run. Then
bring the picker up to a full throttle speed and
run it at this speed for at least 15 minutes.
After the full speed run-off, again inspect the
picker for loose bolta, heating bearings, or
similar undesirable conditions. ENGINE RUN-IN PERI
OD Before your new cotton picker was shipped from
the factory, the engine crankcase was filled with
breaking-in oil. Check the crankcase
periodically to malce sure that an adequate
supply of oil is maintained. If it becomes
neeessary to add oil during the run- iiy period,
uee grade MM or MS SAE 10W or SAE 5W-20. After 2
0 hours of operation, drain the breathing-in oil
and fill the crankcase with SAE 10W or. SAE 5W-20
oil if temperature is below 32F. and SAE 20 or
10W-30 if above 32F. See page 30. Drain and
refill after every 150 hours of operation.
17

• OPERATION
• BEFORE OPERATION C H E C K 0
• A N D A D J U 0 T M E N T 0
• Careful inspection of the cotton picker before
  starting work each day will prevent needless de-
  lays and breakdowns in the field. Make the
  following checks and adjustment.
• Fill fuel tank. If picker has an LP-Gas engine,
  see pages 22 and 23. If it haa a gasoline engine,
  use a good regular grade of gasoline.
• Check water level in radiator. Fill with rain
  water if available. Do not uet water con- taining
  alkali. If water has been drained to pre- vent
  freezing, DO NOT start engine before fill- ing
  the cooling system.
• Check tire inflation. See chart on page 117 for
  correct tire inflation.
• Clean out the area around the dollars and
  moiatenero. Wash out the
• screened area of all suction doors and the dofler
  rod grates.
• S. Perform the daily lubrication aervicce. See
  pages 30 through 33.
• Check water 1eveI in tlze water gupply tan1. Sc
  page 68.
• Inspect belts and chains for proper tension and
  alignment. Bt cure there are no loose bolts or
  missing cotter pins.
• ST A R T I N G T H E G A S O L I N E E N G I N E
• Before starting a new engine, ace page 13
  regarding the run-in period.
• Be sure transmission gearxhift lever is in neutr
  aI position.
• Make cure picking unit gearshift lever and fan
  gearahift lever are dis- engaged.
• Make sure the ehut-off valve undw the fuel tan1
  is open.
• If engine has not been operated for a period of
  time or gasoline tank haG been dry, work priming
  lever up and down as shown to force
  gasoline into carb uretor. Leave lever down or
  pump becomes inoperative.
• S. Turn ignition switch on and pull chope
  control nob all the way out. Depress clutch
  pedal, and at the same time prees starter buttOn.
  An soon as the engine starts, push chope knob
  in.

18
15
0 PE RATION
STARTING THE LP-GAS ENGINE
AU X ILIARY FUEL CONNECTOR VAPOR RETURN VALVE
LI gU ID WITHDRAWAL VALVE
FILLER VALVE
VAPOR WITHDRAWAL VALVE
FIXED-TUBE
QU D LEVE
FUEL GAUGE
GAUGE

• Open the VAPOR withdrawal valve slowly. If valve
  is opened too fast, it may cause the excess-ilow
  check valve to close and prevent normal flow of
  vapor. If this happens, close the vapor
  withdrawal valve to reset the cheek valve then,
  open the vapor withdrawal valve xIowIy.
• Place transmission gearahift lever in neutral
  position.
• Be certain the picking unit and fan control
  levers ate disengaged.
• Turn ignition switch on and advance throttle
  lever approximately 1/4 open. Pull choke control
  rod all the way out and at the same time press
  starter button. After engine runs a few
  revolutions, push choice control rod bacli in.
• Check oil pressure gauge to eee if it is
  registering pressure. If no pressure is shown,
  stop engine and determine cause.
• After the engine is started, operate it on vapor
  until the cooling system ie warm and water
  temperature gauge needle rises.
• Slowly open the LIQUID withdrawal valve. After
  liquid withdrawal
• valve is completely open, close the vapor
  withdrawal valve.
• Form the habit of watching oil pressure gauge
  when engine starts. If oil pressure drops, STOP
  immediately and determine cause. See page t9 for
  instructions on stopping the engine.

19
0 P ERAT I ON S T A R T I N G T H
E INSTPUMENT PANEL
zs
P I C K E R
DASH LAMP 'START IP BUTTON LEFT-LAND
IGN ITION AND LIGHT SWITCH
ANfM TER PlCKlNG UNlT
LIFT LEVER RIQHT-HAND P ICKI NG UNIT LIFT LEVER
FUEL GAUGE HEAT INDICATOR
!PRESSURE GAUGE
PIC KI NG UN IT GEAR SHIFT LEVEP
!TRANSMISSION GEAP SHIFT LEVER
FAN GEAR SHIFT LEVER
CHOKE
H BR KE
PED
THROTTLE LEVER
FLOAT -RIDE EAT AN.II I?TMFNT LEVEFI
BASKET LIFT LEVEL

• Test the raising and Io we ring of the picking
  units.
• Test dumping of the basket.
• Check operation of the au ction fan and pt cking
  unite.
• D isengage the clutch.
• Engage the fan gearshift lever.
• Select the picking unit speed range. If low
  range picking speed (2.1 myh) is desired,
  move the lever forward. If high range
  picking speed (2. 7 mph) is desired, move the
  lever backward. Be cure to match ground travel
  speed with picking unit speed.
• Set throttle one-third open and slowly engage
  clutch. Listen for unusual sounds while slowly
  bringing the engine up to full speed. Run the
  units at half speed for a few minutes to warm
  them up.
• Reduce en gine speed to slow idle, disengage
  clutcli, and let suction fan coast to a stop.
  Then shift into desiréd transmission speed.
  Release brakes, and sIowly en gage cm tch. Select
  transmission speed to match pick- ing unit speed.
  For low range pic king unit speed, use first gear
  (2.1 mph). For high ran ge picking unit speed,
  use second gear (2.7 mph). Third and fourth gears
  are transport speeds.

20
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17
OPERATION
T R A N S P O R T I N G
RED REFLECTIVE TAPE WAPN iNC LAMP TAIL LIGHT
PEPLEOT IUE TAPE
CAUT ION The cotton picker is a high, heavy
zviachine, be aure to reduce speed when traveling
over rough ground. Raise the picking units to the
highest position before transporting. When the
cotton picker is being moved along a highway,
keep as far to the right a possible. When
traveling on a public road at night or during
periods of low visibility be sure the cotton
picker has proper lights in- cluding a warning
lamp at the extreme left-hand aide. See your John
Deere dealer about the lighting equipment he has
avail- able. These lights will warn other drivers
that are traveling on the road, thus
protecting you and others from injury or possible
death. UUPLI UG
IMPORTANT Whe n towi ng the cotton picker either
forward or backward behind a truck or some other
fatter moving conveyance, we recommend that the d
rive shaft for each wheel be disconnected. This
can be accomplished by removing the roll pin from
the coupling sleeve and sliding the sleeve
inward on the ahaft. The sleeve should be wired
securely to prevent it from engaging accidentally.
S LEEVE
22
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