SERVICE AND ADJUSTMENTS
The rear wheels must lock and skid when you try to manually push the tractor forward. If the rear wheels rotate, the brake needs to be adjusted or the pads need to be replaced.
TO ADJUST BRAKE
•Depress clutch/brake pedal all the way down and en- gage parking brake.
•Measure distance between brake operating arm and nut “A” on brake rod.
•If distance is other than
•Engage transmission by placing freewheel control in “transmission engaged” position.
•Road test tractor for proper stopping distance as stated above. Readjust if necessary. If stopping distance is still greater than fi ve (5) feet in highest gear, further maintenance is necessary. Replace brake pads or contact a qualified service center.
WITH PARKING BRAKE “ENGAGED”
NUT “A”
OPERATING
ARM
JAM NUT
02232_Hydro
DO NOT TOUCH THIS NUT. IF FURTHER BRAKE ADJUSTMENT IS NECESSARY CONTACT YOUR NEAREST AUTHORIZED SER- VICE CENTER/DEPARTMENT
FIG. 30
TO REPLACE MOTION DRIVE BELT (See Fig. 31)
Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest.
BELT REMOVAL -
•Remove mower (See “TO REMOVE MOWER” in this section of manual).
NOTE: Observe entire motion drive belt and position of all belt guides and keepers.
•Remove clutch locator.
•Remove belt from clutching idler and all stationary idlers.
•Remove belt downward from engine pulley and around clutch.
•Pull belt slack toward rear of tractor. Carefully remove belt upwards from transmission input pulley and over cooling fan blades.
BELT INSTALLATION -
•Carefully work new belt down around transmission cooling fan and onto the input pulley.
•Pull belt toward front of tractor and roll belt around clutch and onto engine pulley.
•Install belt through all stationary idlers and clutching idler.
•Reinstall clutch locator and tighten nut securely.
24
•Make sure belt is in all pulley grooves and inside all belt guides and keepers.
•Install mower (See “TO INSTALL MOWER” in this sec- tion of manual).
CLUTCH
CLUTCHING
IDLER
STATIONARY
IDLER
FAN
CLUTCH
LOCATOR
02379
FIG. 31
TRANSMISSION REMOVAL/REPLACEMENT
Should your transmission require removal for service or replacement, it should be purged after reinstallation and before operating the tractor. See“PURGETRANSMISSION” in the Operation section of this manual.
TRANSAXLE MOTION CONTROL LEVER NEUTRAL ADJUSTMENT(See Fig. 32)
The motion control lever has been preset at the factory and adjustment should not be necessary.
•Loosen adjustment bolt in front of the right rear wheel, and lightly tighten.
•Start engine and move motion control lever until tractor does not move forward or backward.
•Hold motion control lever in that position and turn engine off.
•While holding motion control lever in place, loosen the adjustment bolt.
•Move motion control lever to the neutral (N) (lock gate) position.
•Tighten adjustment bolt securely.
NOTE: If additional clearance is needed to get to adjustment bolt, move mower deck height to the lowest position.
After above adjustment is made, if the tractor still creeps forward or backward while motion control lever is in neutral position, follow these steps:
•Loosen the adjustment bolt.
•Move the motion control lever 1/4 to 1/2 inch in the direction it is trying to creep.
•Tighten adjustment bolt securely.
•Start engine and test.
•If tractor still creeps, repeat above steps until satisfied.
MOTION CONTROL | NEUTRAL |
LEVER | LOCK |
| GATE |
| ADJUSTMENT |
| BOLT |
FIG. 32