Ford 6700 7700 Tractors Operator’s Manual Instant Download (Publication No.42670020)

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42670020
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(No Transcript)
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FOREWORD

• DEA R CUSTOM ER PLEASE READ TH IS MAN UAL CARE
  F U LLY BEFOR E OPERATING YOU R TR ACTO R AND
  KEEP IT IN A CONV ENI ENT LOCATION FOR F UTUR E
  RE F E RE NCE.
• This manual has been developed to assist you in
  understanding how to operate and maintain your
  Ford Tractor. It contains a Iist of safety
  precautions, a discussion of the controls and
  instruments, procedures for operating the
  tractor, a maintenance schedule, a brief
  troubleshooting section, and a specification
  section. The manual also contains a Iist of
  pre-delivery and 50 hour checks which will be
  performed by your Ford Tractor-Equipment Dealer.
• Your Ford Tractor was carefully inspected by the
  factory and by your Ford Tractor-Equipment Dealer
  to be certain that it is ready to go. Follow the
  break-in, operation , and maintenance instruc-
  tions to keep it in this ready to go condition.
• The complete list of pre-delivery checks made by
  your dealer is on pages 93 and 95 BOth copies
  should be comple ted and siqned by you and the
  dealer. Retain the copy on page 93. Your dealer
  will keep the copy on page 95.
• At or shortly after fifty hours operation, take
  your tractor and this manual to your dealer. He
  will perform the fifty hour checks listed on
  pages 93 and 95 without charge, except for lubr
  icants or fil ters which are replaced as part of
  normal maintenance. Both copies of the 50 hour
  checks shouId be completed the dealer retains
  the copy on page 95 and you retain the copy on
  page 93.
• The warranty coverage on your Ford Tractor is
  explained in the Warranty and Limitation of Lia-
  bility, Ford Tractors and Equipment Form. Your
  dealer will provide you with a copy of the form
  and retain a copy which you have signed. Read the
  warranty and ask your dealer to explain any point
  which you do not understand.
• A vehicle identification plate is located on the
  under side of the radiator filler cap access
  door. The numbers on the identification plate and
  the information listed below are important if
  your tractor requires serv!ce in the future. For
  your convenience have the dealer record the
  information in the spaces below.
• Delivery Date Owners Name Owner's Address
• Ford Tractor-Equipment Dealer Dealers Address

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INTERNATIONAL SYMBOLS As a guide to the operation
of your tractor, various international symbols
have been utilized on the instruments and
controls. The symbols are shown below with an
indication of their meaning.
Engine speed (rev/min x 100)
Alternator charge
Hours recorded
Heater temperature control
Air conditioner temperature control
Engine water temperature
Fuel level
Fan
Wipe/wash control
Fuel cut-off
Power take-off (on)
Lights
Power take-off (off Tortoise, slow or minimum
setting
Horn
Engine oil pressure
Hare, fast or maximum setting
Air filter
Caution
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CONTENTS
2 4 5 7 9 10 10 14 18
international symbols
safety precautions
controls and instruments
electric controls and lights engine and brake
controls transmission controls PTO and hydraulic
controls cab controls seats
operation
19
starting the engine driving the tractor attaching
equipment to the tractor operating the PTO
operating the hydraulic system tread setting and
dual wheels
20 26 31 39 43 53
63
lubrication and maintenance
lubrication and maintenance chart uels and
lubricants periodic maintenance general
maintenance storing the tractor
64 65 67 78 83
84 87 92
troubleshooting
specifications
safety decals
93
pre-delivery and 50 hour service
index
97
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SAFETY PRECAUTIONS
A careful operator is the best operator. Most
accidents can be avoided by observing certain
precautions. Read and take the following
precautions before operating this tractor to
help prevent accidents.
16. Pull only from the swinging drawbar or the
lower Iink drawbar in the down position with
stays in- stalled. Pulling from the tractor rear
axle or any point above the axle may cause the
tractor to upset.
THE TRACTOR
17. If the front end of the tractor tends to
rise when heavy implements are attached to the
th ree-point hitch, install front end or front
wheel weigh ts. Do not operate the tractor with a
Iigh t front end.
1. Read the Operators Manual carefully
before using the tractor. Lack of operating
knowledge can lead to acciden ts.
J8. Always set the hydraulic selector lever in
position control when attaching equipment, when
transporting equipment, or when no equipment is
attached .
2. Use an approved roll bar and seat belt for
safe oper- ation. If your tractor is not
equipped with a roll bar and seat belt, see your
Ford Tractor-Equipment Dealer.
19. Do not leave equipment in the raised posi
tion.
3. Use the handholds and step plates when
getting on and off the tractor to prevent falls.
20. Use the Flasher/Turn Signal lights when
traveling on public roads both day and night
unless prohibited by law.
4. AI ways use the seat bel t when the roll bar
is in staiilt . Do not use the seat bel t if
the roll bar is remuv from the tractor.
DRIVING THE TRACTOR
21. Watch where you are goin gespecially at row
ends, on roads, and around trees.
5. Keep the tractor in good operating
conditicn for your safety.
22. Drive the tractor with care and at speeds
compatible with safety, especially when
operating over rough ground , crossing ditches,
slopes, and when turning to avoid upsets.
6. Do not all ow an open f lame near . e fuel
tan k or battery to preven t fires and ex pt
osions.
7. Do not perm it anyone bu t the operator to
ride on
the tractor. There is no safe place for ex tra
riders.
23. Keep the tractor in the same gear when going
down- hill as used when going uphill.
8. Replace safety and warning decals when they
become illegible.
24. When the tractor is stuck, back out to
prevent upset. OPERATING THE P.T.O.
OPERATING THE TRACTOR
9. Apply the parking brake, place the P.T.O.
lever in the "OF F position , the lift con trol
lever in the down position , the remote con trol
valve levers in the neu tral position , and the
transmission in neu tral before starting the
tractor.
25. When operating P.T.O. driven equipment, shut
off the en gine and wai t until the P.T.O. stops
before getting off the tractor and disconnecting
the equip- ment.
10. Do not start the engine while standing
beside the tractor. Always sit in the tractor
seat when starting the engine.
26. Do not wear Iose clothing when operating
the power take -off, or when near rotating
equipment.
27. When operating stationary P.T.O. driven
equipment, always apply the tractor parking
brake and block the rear wheels front and back.
Do not bypass the safety starter switch. Consult
y our F ord Tractor-Equ ipmen t Dealer if your
safety starter con trols malfunction.
11.
28. Do not install or remove the bel t while
the belt pulley is in motion.
12. Do not get off the tractor while it is in
motion.
13. Shut off the engine and apply the parking
brake before getting off the tractor.
29. To avoid injury, do not clean, adjust,
unclog or ser- vice P.T.O. driven equipment when
the tractor engine is running.
14. Do not park the tractor on a steep incline.
30. Make sure the P.T.O. shield is installed when
using P.T.O. driven equipment, and always
replace the P.T.O. shaft cap when the P.T.O. is
not in use.
15. Do not operate the tractor engine in an
enclosed building w ith ou t adequate
ventilation. Exhaust fumes can su f focate you .
it means ATTENTION ! BECOME ALERT ! YOUR SAFETY
IS INV OLV EDI
Whenever you see th is symbol
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INSTRUMENTS
CONTROLS and
Before operating the tractor, become familiar
with the controls and instruments discussed in
this section. After familiarizing y ourself with
the controls and instruments, follow the
subsequent instructions in the Operation Section
to obtain optimum and safe performance from the
tractor.
Know your controls and instruments to assure Safe
Operation.
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CONTROLS AND INSTRUMENTS
ALTERNATOR WARNING LIGHT The alternator warning
light (3), Figure 1, illuminates when the
alternator is not supplying enough current to
meet the tractor electrical requirements. The
light should illuminate when the key is turned to
the run position and extinguish while the
engine is running. If the light illuminates while
the engine is running, stop the engine and
investigate the cause. HEADLIGHT HIGH BEAM
INDICATOR LIGHT
The headlight high beam indicator light (4),
Figure 1, illuminates when the headlight high
beams are on.

• Figure 1 Instrument
• Engine Oil Pressure Warning Light
• Air Cleaner Restriction Indicator Light
• Alternator Warning Light
• Headlight High Beam Indicator Light

S. Tachometer
TACHOMETER

1. Hourmeter
2. Fuel Gauge

The tachometer (5), Figure 1, indicates engine
speed in revolutions per minute (rpm). Use the
tachometer to determine ground and power take-off
speeds.
8. Engine Coolant Temperature Gauge
HOURMETER
ENGINE OIL PRESSURE WARNING LIGHT
The hour meter (6), Figure 1, records engine
hours at J 540 engine rpm. Engine speeds faster
than 1540 rpm record hours faster than clock
hours while engine speeds slower than 1540 rpm
record hours slower than clock hours.
The engine oil pressure warning light (1 ) Figure
1, illu- minates when
1. The key-starter switch is in the run
position and the engine is not running, or
Use the hourmeter as a guide to determine service
inter- vals.
2. When the key-starter switch is in the run
position, the engine is running but the engine
oil pressure is not adequate to lubricate the
engine properly.
FUEL GAUGE
Stop the engine immediately if the light does not
ex- tinguish when the engine starts or if the
light illuminates while the engine is running.
Investigate the cause.
The fuel gauge needle (7), Figure 1, indicates
the fuel level in the tank(s).
Refer to FUEL TANK SENDER SWITCH for additional
information about tractors with auxiliary
(saddle) fuel tanks.
NOTE The operator must still check the dipstick
to determine the crankcase oil level.
AIR CLEANER R ESTRICTION INDICATOR LIGHT
ENGINE TEMPERATURE GAUGE
The air cleaner restriction indicator light (21,
Figure 1, illuminates after the key-starter
switch is in the run posi- tion and engine is not
running or when the air cleaner requires service.
Service the air cleaner if the light ill u-
minates while the engine is running. 6
The engine temperature gauge (8), Figure 1,
indicates the temperature of the engine coolant.
The coolant is at normal operating temperature
when the needle is in the white zone and above
normal operating temperature when the needle is
in the red zone.
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FORD 67007700
Both lights flash when the switch is in the
flasher lights position. When a left turn is
signaled, the left light flashes and the right
burns steadily. On right turns, the right light
flashes and the left burns steadily. The
flasher/turn signal indicator lights (1), Figure
2, illuminate when the respective flasher light
is oh. FUEL TANK SENDE R SWITCH
The fuel tank sender switch (4), Figure 2, is
standard on all Model 7700 tractors and 6700
tractors with an op- tional auxiliary (saddle)
fuel tank. Use the switch to check the fuel level
in the upper tank or the aux iliary tank. Fuel
always flows to the engine from the lower tank,
so the lower tank will always be full until the
upper tank is empty. It is recommended that the
switch be kept in the upper tank position until
the upper tank is empty, then switch to the lower
tank. The switch posi - tions are
Figure 2 Controls 4. Fuel Tank Sender
1. Flasher Light/Turn

• Signal Indicator Lights
• Turn Signal Switch
• Flasher Light/Work Light Switch

• Switch
• S. Horn Button
• Headlight Switch
• Cigarette Lighter

UPPERTANK LEVELINDICATED LOWER TAN K LEVE L
INDICATED
FLASHER LIGHT/WORK LIGHT SWITCH
HORN BUTTON
The flasher Iight/work light switch (3), Figure
2, is used to control the work lights and the
flasher/turn signal lights. See Figures 3 to 6.
The switch positions are
To sound the horn, push the horn button (5),
Figure 2.
WO R K LIGHT ON OF F F LASHE R/TU RN SIGNAL LI
GHTS ON
HEAD LIGHT SWITCH
The headlight switch positions are
NOTE For your protection, use the flasher/turn
signal Iiphis both day and night when traveling
on public roads.
OFF HEAD LIGHT LOW BEAMS AND TAIL LIGHT ON HEAD
LIGHTS, FRONT WORK LIGHTS AND TAIL LIGHT ON
TURN SIGNAL SWITCH
The turn signal switch (2), Figure 2, is used to
signal a turn and to operate the flasher lights.
NOTE Use only the low beams in approaching
traffic to avoid blinding oncoming drivers.
NOTE The Flasher Ligh t/l/I/ork Ligh t Switch
must be in the flasher ligh t/turn signal ligh Is
on position be- fore the turn sipnal switch
will function.
The head and tail lights are shown in Figures 3-6.
The turn signal switch positions are
TRACTOR LIGHTS
RIGHTTURN FLASHER LIGHTSgt- LEFTTURN
Your tractor is equipped with dual beam
headlights, front work lights, flasher/turn
signal lights, and a tail light. One or two rear
work lights may be installed. 7
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CONTROLS AND INSTRUMENTS
Figure S Rear Lights-Tractor Without Cab
Figure 3 Front Lights-Tractor Without Cab 1.
Front Work Lights 2. Dual Beam Headligh ts
4. Slow Moving Vehicle (SMV) Emblem

1. F Iasher/Turn Si gnal Lights
2. Tail Light
3. Reai Work Light

Figure 6 Rear Lights-Tractor With Cab
4. Tail Light S. Slow Moving Vehicle (SMV) Emblem

1. Flasher/Turn Signal Lights
2. Rear Work Lights
3. Outside Rear View Mirrors

Figure 4 Front Lights-Tractor With Cab J . Front
Work Lights 2. Dual Beam Headlights
NOTE Always use the slow moving vehicle (SM V)
emblem when traveling on public roads for your
pro- tec tion,
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FORD 67007700
start cold weather starting aid. The key-starter
switch positions are
ACCESSORY ON
OF F
HEAT HEATTA RT HAND THROTTLE The hand
throttle (4), Figure 7, is used to mainta in a
constant engine speed. Pull the throttle back to
reduce the engine speed and push the throttle
forward to in- crease the engine speed. FOOT
THROTTLE
The foot throttle (5), Figure 7, is used to
temporarily increase engine speed above the speed
set by the hand throttle.
Figure 7 Engine and Steering Wheel Controls
4. Hand Throttle S. Foot Throttle

1. Steering Wheel Tilt Control
2. Engine Stop Control
3. Key-Starter Switch

ENGINE AND STEERING WHEE L TI LT CONTROLS STEER
ING WHEE L TI LT CONTROL The steering wheel
tilt control (1 ), Figure 7, permits the operator
to adjust the wheel angle for max imum comfort.
Pull the lever toward you to release the steering
wheel.
CAUTION Be certain that the steering wheel is
locked in position before oper- ating the tractor.
Figure 8 Brake Controls
ENG INE STOP CONTROL

1. Brake Pedal Connecting LockLocked Position
2. Right Brake Pedal

1. Parking Brake Handle
2. Left Brake Pedal
3. Brake Pedal Connecting LockStorage Position

The engine stop control (2), Figure 7, is used to
stop the engine by stopping the flow of fuel
through the injection pump. Pull the control out
to stop the engine. The control must be pushed in
before the engine will start.
BRAKE PEDA LS
KEY-STARTER SWITCH
Depress the brake pedals, Figure 8, to stop the
tractor and to assist in making sharp turns at
slow speeds. Use the left brake pedal for left
turns, the right pedal for right turns, and both
pedals to stop the tractor.
The key-starter switch (3), Figure 7, controls
the tractor electrical system, the starting
motor, and the thermo-
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CONTROLS AND INSTRUMENTS
BRAK E PEDAL CONNECTING LOCK The brake pedal
connecting lock is used to insure that both
pedals are depressed together. Use the lock zhen
operating at high speeds or on the road. Store
the lock behind the left brake pedal when using
the brakes in- dividually to assist with sharp
turns at slow speeds. CAUTION Never Mse the
brakes to make sharp turns at high speeds. Always
lock the brake pedals together when operating at
high speeds or on the road. Maintain the brake
adjustment so that tile tractor does not pull to
one side when stopping with the pedals locked
together. PAR KING BRAKE HANDLE
Figure 9 Clutch, Differential, and Transmission
Controls
The park ing brake handle (1), Figure 8, is used
to lock the brake pedals in the applied position
and to im- mobilize the tractor. To apply the
parking brake, pull the handle out and rotate it
1/4 turn. Lock the brake pedals together and
depress the pedals until the tractor will not
move. Re- lease the parking brake by turning the
handle 1/4 turn and allow the handle to retract
then depress the brake pedals until the parking
brake latch releases the pedals.
4. Di fferential Lock Pedal S. Dual Power Pedal

1. Gearshift Lever
2. High -Low Shift Lever
3. Clutch Pedal

DIF FERENTIAL LOCK PEDAL
The differential lock pedal 4, Figure 9, locks
the rear wheels together to prevent one wheel
spinning in slippery conditions. Depress the
pedal to engage the lock. It will release
automatically when traction is restored. Engage
the lock at low speeds to prevent damage to the
tractor.
CAUTION Always apply ihe parking brake before
dismounting from the tractor to prevent acciden
fal tractor movement. Tractors with Dual Power
Transmission are free to ro// when ihe engine is
stopped even though the transmission may be in
gear. HIGH-LOW SHIFT LEVER AND GEARSHI FT
LEVER The high-low and gearshift levers (1) and
(2), Figure 9, are used to select the desired
gear ratio.
CAUTION Do not engage the differential lock at
row ends, on roads, etc. The lock rri// prevent
turns while engaged.
DUAL POWER PEDAL
The Dual Power Pedal (5), Figure 9, is used to
shift to either HI or LO while the tractor is
moving or stopped.
Rock the pedal forward for HI and back for LO. It
is not necessary to use the clutch when shifting
the Dual Power.
Always stop the tractor and depress the clutch
before shifting gears. CLUTCH PEDAL
POWE R TAKE OFF AND HYDRAULIC CONTROLS
The clutch pedal (3), Figure 9, is used to engage
or disengage the engine from the transmission.
Power Take Off (PTO) Controls
Depress the clutch to disengage the engine when
stopping the tractor or when changing gears. 10
The tractor is equipped with either a 540 rpm or
a 540/ 1000 rpm PTO.
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FORD 67007700
HYDRAULIC LIFT CONTROLS Push the hydraulic lift
control lever (1), Figure 11, forward to lower
the linkage and attached equipment. Pull the
lever back to raise the linkage and attached
equipment. Use the adjustable stop(s) as
reference points when you wish to return to a
selected point on the quadrant. The flow control
valve (5), Figure 11, is used to control the rate
of hydraulic oil flow to the lift and to the
remote control valves. Turn the flow control
valve knob counterclockwise to increase the rate
of lift and the size of draft corrections. Turn
the knob clockwise to reduce the rate of draft
corrections, Figure 12. Full flow is provided to
the lift and to the remote control valves
whenever the lift control lever is pulled all the
way back.
Figure 10 PTO Control Lever

1. PTO Lever
2. PTO ON
3. PTO OFF

1. 540 PTO System
2. 540/1000 PTO System

The PTO may be turned on or off at any time. The
PTO con trol has automatic feathering to protect
the tractor and equipment. Consequently, the
control is designed so that the PTO is either
on or off. It is not possible to partially
engage the PTO. Push the lever forward to engage
the PTO, rearward to disengage the PTO.

• Figure 12
• Hydraulic System Selector Lever and Positions
• System Selector Lever
• Upper Link Draft Control
• Position Control
• Load Monitor Draft Control
• Tortise (least responsive)
• Intermediate
• Hare (most responsive)
• The system selector lever (1), Figure 12,
  position deter- mines the way in which the
  hydraulic lift system responds to changes in load
  (draft) while operating equipment. Shown below
  are the types of hydraulic control avail - able
  for your tractor.

Model Position Control Draft Control Draft Control
Model Position Control Upper Link Load Monitor
6700 7700 STD. STD. STD. STD. OPT. STD.
Figure 11 Hydraulic Lift Control Lever and Flow
Control Valve Knob

1. Hydraulic Lift Control Lever
2. Lower

• Raise
• Adjustable Stop(s)
• S. Flow Control Valve Knob

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CONTROLS AND INSTRUMENTS
POSITION CONTROL
LOAD MONITOR DRAFT SENSING
There is a definite relationship established
between the position of the lift control lever
and the position of the lift linkage when the
hydraulic system is in position control. See (3),
Figure 12. Use position control when precise
positioning of equip- ment is required and when
hitching or transporting equipment.
Figure 14 Load Monitor Draft Sensing
CAUTION Do not use draft con trol when hitching
implemen Is to the 3-poin t linkage. Use
position control when hitching.
3. Special Load Monitor Remote Cylinder

1. Load Monitor Draft Sensing Unit
2. Hydraulic Lift Linkage

Load Monitor, Figure 14, senses draft through the
tractor drive train. The Load Monitor system
which is effective with mounted, semi-mounted,
and trailing equipment uses the lift linkage
independently or together with the special Load
Monitor remote cylinder to raise and lower the
equipment.
DRAFT CONTROL
When the selector lever is in draft control, the
hydraulic system automatically raises or lowers
the equipment to maintain a constant draft on the
tractor as soil conditions change. Pull the lever
back to decrease the draft and raise the
equipment. Push the lever forward to increase the
draft and lower the equipment.
UPPE R LINK DRAFT SENSING
Figure 13 Upper Link Draft Sensing 3. Tension Load
Figure 15 Special Load Monitor Cylinder
1. Upper Link
2. Compression Load
1. Cylinder in Load Monitor Position
2. Cylinder in Standard Double Acting Position
Upper link draft control senses draft through
compres- sion or tension loads on the upper link
rocker. Draft control is effective with mounted
equipment which tends to compress or stretch the
upper link. 12
The Load Monitor Cylinder enables the tractor
hydraulic system to raise and lower the front and
rear of semi- mounted equipment simultaneously
and to raise and lower trailing equipment.
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FORD 67007700
NOTE Improper use of the ASC valve may result
in damage to the tractor hydraulic system or to
the equip- men t. See Operati'ng the Hydraufic
System for instruc- tions. REMOTE CONTROL VALVE
(S) Your tractor may be equipped with one or
two remote control valves. Push the control
lever, Figure 18, forward to lower (retract) the
remote cylinder. Pull the lever back to raise
(extend) the cylinder.
Figure 16 Special Load Monitor Cylinder
1. Piston End Hose
2. R od End Hose Coupled to Return Coupler
Figure 18 Remote Control Valve Levers
Coupled to Pressure Coupler
1. Left Remote Control Valve
3. Load Monitor OnIy Couplers
2. R ight Remote Control Valve
The Load Monitor Cylinder is shown installed for
semi-
Figure 17 Auxiliary Service Control (ASC)
Valve 1. Valve Handle
Figure 19 Double Acting Remote Cylinder Coupled
to Tractor 1. Raise (Piston End) 2. Lower (Rod
End) Coupler Coupler
Use the ASC valve, Figure 17, with Load Monitor
and re- mote single acting cylinders as directed
in the Operation portion of this manual.
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17
CONTROLS AND INSTRUMENTS
Install double acting cylinders as shown in
Figure 19 to obtain the proper cylinder/lever
movement relation- ship. When using a single
acting cylinder, the hose must be coupled to the
raise (piston end) coupler. The remote control
valve has a float valve on the righ t couplets
and a quick drop valve on the left couplers. When
the respective remote con trol valve lever is in
the down position, oil is bypassed by the open
float valve to the transmission lubrication
circuit while oil is by - passed by the open
quick drop valve to the reservoir.
Figure 21 Cab Controls 1. Windshield Wiper/Washer
Switch

1. Dome Light/ Switch
2. Ventilation Louvers
3. Sun Visor
4. Rear View Mirror

1. Air Condition ing Temperature Control
2. Fan Switch
3. Heater Temperature Control
4. Radio

Figure 20 Float and Quick Drop Valves
WINDSH IE LD WIPER/WASHER SWITCH
1. Float Valve 2. Cluick Drop Valve
3. Access Panel
Turn the switch (1I, Figure 21, clockwise to
actuate the wiper and to increase its speed.
Use the float valve (right couplers) with a
double acting cylinder that is to be operated in
float and with most single acting cylinders. Use
the quick drop valve (left couplers) with a ligh
tly loaded single acting cylinder that will not
retract when coupled to the float valve
couplers. Turn the float valve (1 ) or quick drop
valve (2) Figure 20, clockwise to close and
counterclockwise to open. The float valve may be
operated partially closed to ob- tain down
pressure with a double acting cylinder. The quick
drop valve must be completely open for single
acting cylinder operating close the quick drop
valve for all other use. IMPORTANT To preven I
transmission damage when the quick drop valve is
open, do not place the remo te con trol valve
lever in the down position lonper than needed to
re/racr the single ac ting cylinder. NOTE Use
the float or quick drop valve for sinple acting
cylinder operation to prevent forcing oil through
the system relief valve and overheating the
hydraulic oil during cylinder retraction. 14
Depress the switch to actuate the windshield
washer.
AIR CONDITIONING TEMPERATURE CONTROL
Lower the cab temperature by turning the control
(2), Figure 21, clockwise. The fan switch must be
on before the air conditioning system will
operate.
FAN SWITCH
Turn the fan switch (31, Figure 21, clockwise to
run the fan and increase its speed.
HEATER TEMPE RATURE CONTROL
Increase cab air temperature by turning the
control (4), Figure 21, clockwise.
The engine heater hose valves, located as shown
in Figure 22, supply the heater and should be
closed when operat- ing in hot weather.
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FORD 67007700
CAUTION The cab air filter is designed to remove
dust from the air. It will not remove chemicals
from the air. Follow the chemical manufacturers
directions regard- ing protection from dangeroMs
chemicals.
RADIO CONTROLS Figure 22 Engine Heater Hose
Valves 1. Open Valves 2. Close Valves Operate
both the heater and air conditioner to defog the
cab windows. Otherwise, turn the air conditioner
control off while operating the
heater. VENTILATION LOUVERS Adjust the Iouvers
(7), Figure 21y as needed to defog the windows or
optimize cab air circulation. RECIRCULATION DOOR

• Figure 24
• AM Radio Controls
• Station Selector Buttons
• Tuning Knob

1. On-Off/Vol ume
2. Tone

' 2 " Figure 23 Recirculation Door
1. Open Position
2. Closed Position
Close the recirculation door to pull outside air
into the cab with the fan.
Figure 25 AM-FM Stereo Radio Controls
Open the door to recirculate the cab air.

1. On-Off/Volume
2. Tone
3. Station Selector Buttons

1. Tuning Knob
2. AM-FM Selector
3. Stereo Balance

Operate with the recirculation door closed to
maximize cab pressurization and minimize dirt
entry into the cab.
15
19
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20
CONTROLS AND INSTRUMENTS
Your tractor may be equipped with an AM or an AM-
FM Stereo Radio. Turn the on-off/volume control
clock- wise (1), Figures 24 and 25, to turn the
radio on and increase the volume. The key starter
switch must be in either the accessory or on
position before the radio will operate. Rotate
the tone control (2), Figures 24 and 25,
clockwise to increase bass tones and
counter-clockwise to increase treble tones.
Select stations with the selector buttons or the
tuning knob (3) and (4), Figures 24 and 25.
Program the selector buttons by pulling the
button out, tuning the desired station with the
knob, and pres- sing the button in.
Select AM or FM operation with the AM -FM
selector (5), Figure 25.
Use the stereo balance control to adjust output
from the two speakers (6), Figure 25.
the relative
Figure 27 Windows

1. Spring Prop
2. Lock Ring

1. Latch Mechanism
2. Sliding Rear Window

SIDE AND STANDARD R EAR WINDOWS Open the side or
standard rear windows, Figure 27, by lifting the
latches and allowing the spring props to push the
window open. The windows can be held partially
open by pulling the window in to the desired
setting and twisting the spring prop lock ring
clockwise until it locks then lock ing the other
spring prop. Release the spring props by turning
the lock rings counterclockwise before attempting
to move the window. Close the window by pulling
the win- dow closed and hooking the latches over
the pins.
Figure 26 Door Check and Lock 2. Tension
Adjustment Screw
S LIDING REAR WINDOW
1. Check
3. Lock
Slide the cen ter pane to the left side , Figure
27.
WINDOW AND DOO R REMOVAL
The check limits door travel , holds the door
open, and cushions door travel. Tighten the
tension adjustment screw to increase the
cushionin g and to hold the door open more
securely.
The cab windows and doors may be removed for
imple- ment access or operation in high ambient
temperatures when the cab is not equipped with
air conditioning. Doors may be removed by
disconnecting the check, Figure 26, then removing
the hinge pins, Figure 34, with the door closed,
and finally lifting the door from the cab.
The tractor is equipped with a key to lock the
doors, Figure 26, for security. The key code is
the same for all cab doors. If the key is lost or
damaged, see your Ford Tractor-Equipment Dealer
for a replacement. 16
21
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