To Replace Mower Blade Drive Belt - McCulloch M175H38RB Manual

SERVICE AND ADJUSTMENTS

TO REPLACE MOWER BLADE DRIVE BELT

(See Fig. 37)
Park the tractor on level surface. Engage parking brake.
BELT REMOVAL -
• Remove mower from tractor (See "TO REMOVE
MOW ER" in this section of this manual).
• Remove screws from RH mandrel cover and remove
cover.
• Remove screws from LH mandrel cover and remove
cover.
• Work belt off both mandrel pulleys and idler pulleys.
• Pull belt away from mower.
BELT INSTALLATION -
• Install new belt in reverse order of removal. See belt
routing decal located on right mandrel cover.
• Make sure belt is in all pulley grooves and in side all
belt guides.
• Install left and right mandrel covers and tighten se cure ly.
Make sure belt is in mandrel pulley cover.
• Install mower (see "To install mower" in this section of
this manual).
BELT
MANDREL
PULLEY
IDLER
PULLEY
TO CHECK BRAKE
If tractor requires more than five (5) feet (1,5 m) to stop at
highest speed in high est gear on a level, dry concrete or
paved surface, then brake must be serviced.
You may also check brake by:
1. Park tractor on a level, dry concrete or paved surface,
depress brake pedal all the way down and engage
parking brake.
2. Disengage transmission by placing freewheel control
in "transmission disengaged" position. Pull freewheel
control out and into the slot and release so it is held in
the disengaged position.
The rear wheels must lock and skid when you try to manually
push the tractor forward. If the rear wheels rotate, then the
brake needs to be serviced. Contact a qualified service center.
LH MANDREL COVER
RH MANDREL
COVER
MANDREL
PULLEY
IDLER PULLEY
Fig. 37
TO REPLACE MOTION DRIVE BELT
(See Fig. 38)
Park the tractor on level surface. En gage parking brake.
For as sis tance, there is a belt installation guide decal on
bottom side of left footrest.
BELT REMOVAL -
• Remove mower (See "TO REMOVE MOWER" section
in this 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 trac tor. Carefully remove
belt up wards from trans mis sion input pulley and over
cooling fan blades.
BELT INSTALLATION -
• Carefully work new belt down around transmission
cool ing 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 clutch ing
idler.
• Reinstall clutch locator and tighten nut securely.
• Make sure belt is in all pulley grooves and in side all
belt guides and keep ers.
• Install mower (See "TO INSTALL MOWER" section in
this manual).
CLUTCH
CLUTCH
LOCATOR
TRANSMISSION REMOVAL/REPLACEMENT
Should your transmission require removal for service or
replacement, it should be purged after reinstallation and
before operating the tractor. See "PURGE TRANS MIS SION"
in the Operation section of this manual.
26
CLUTCH ING
IDLER
STA TION ARY
IDLER
FAN
02379
Fig. 38