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Maintenance (continued)
23
Proper Jack Placement
A floor jack (not a bottle jack) or an
overhead hoist may be used to lift the
front of the tractor. Do not attempt to use
any other device to lift the tractor.
USE EXTREME CARE WHEN JACKING OR
HOISTING TRACTOR. BLOCK WHEELS
AND USE JACKSTANDS TO SECURELY
HOLD UNIT IN PLACE.
WARNING
Fig. 7-7
Do not rest jack
on PTO sheave.
Rest jack on PTO
guard corners.
PTO Guard
Jack
Fig. 7-6
Securely block rear wheels. Rest jack on
attachment/PTO drive guard corners (See
Fig. 7-6). Do not rest jack on PTO sheave.
Interlock Switches
This unit is equipped with interlock safety
switches to help ensure safe start-up and
operation. To test interlock, see page 17.
Attachment/PTO drive switch: Interlocks
are incorporated into the attachment/PTO
drive switch. This switch must be off to
start the engine. Also, if the travel pedal is
pressed into the reverse travel position
while this switch is in the “ON” position,
the PTO will automatically shut off.
Seat: An interlock is positioned behind
the seat. If the operator leaves the seat
without locking brake/neutral pedal and
turning off the attachment/PTO switch, the
engine will stop.
Brake/Neutral linkage (ignition):
Brake/neutral pedal must be pressed to
start the engine.
Brake/Neutral linkage (cruise control):
When the brake/neutral pedal is pressed,
the circuit for the cruise control switch is
open. All power to the cruise control is
shut off.
Brake Adjustment
During normal operation of this machine,
the brakes are subject to wear and will
J
Fig. 7-8
require periodic examination and
adjustment.
To adjust:
1. Turn off engine. Make sure unit is on
a flat surface and block the wheels of
the tractor to prevent it from rolling.
2. Move brake pedal to the disengaged
(released) position.
3. To adjust yoke assembly (V, Fig. 7-7),
remove clevis pin (W). Turn yoke
assembly clockwise.
4. Press and release brake several
times. Re-check and re-adjust as
necessary.
Hydrostatic Maintenance and
Lubrication
Perform the following procedure every 25
hours of operation.
1. Remove all dirt from around
transmission filler area. Clean
transmission cooling fins (J, Fig. 7-8).
If tractor is operated in a dusty
environment, check and clean cooling
fins more frequently.
2. When transmission is cold, check
transmission fluid level. Check level
indicated on dipstick (beneath seat).
Transmission Oil: Change transmission
oil after first five hours and every 100
hours thereafter. Plug is located on front
side of transmission.
2-Speed Models: Fill with part number
737-0333. Alternate fluids: Mobil 423,
Amoco 1000 or Texaco TDH.
1-Speed Models: Fill with part number
737-0335 or a SAE 20 weight motor oil.
Brake Pad
Brake Pad
T
S
V
U
C
W