Sears 917.25156 - Manual (Page 24)

SERVICE AND ADJUSTMENTS
TO REPLACE MOTION DRIVE BELT
(See Fig. 26)
Park the tractor on level surface. Engage parking brake.
For ease of service there is a belt installation guide decal on
bottom of left footrest.
•
Remove mower (See ‘TO REMOVE MOWER" in this
section of this manual.)
BELT REMOVAL -
•
Engage parking brake (creates slack In belt).
• Remove belt from clutching and fan idler pulleys.
• Remove belt from transaxle pulley.
• Remove belt from engine pulley and front V-idler
pulley.
• Pull belt out of all belt keepers and remove from tractor.
BELT INSTALLATION -
•
Place V part of belt Into grooves on engine pulley and
front V-idler, making sure to route belt inside of all belt
keepers.
• Route belt on right side, coming from V-idler, towards
back of tractor , above midspan belt keeper and to top
of transaxle pulley.
• Route belt on left side, coming from engine pulley,
towards back of tractor and through loop in midspan
belt keeper.
• Place V part of belt into grooves on transaxle and fan
idler pulleys, making sure to route belt inside of all belt
keepers.
• Place belt around clutching idlers as shown, making
sure to route belt inside of all bell keepers.
• Check to be sure belt is positioned correctly and is on
proper side of all belt keepers.
• Reinstall mower.
IMPORTANT: CHECK BRAKE ADJUSTMENT.
TRACTOR V-BELT DRIVE SCHEMATIC
VIEWED FROM L.H. SIDE OF TRACTOR
CLUTCHING TRANSAXLE
CLUTCHING IDLER \ PULLEY,
FLAT IDLER V \ KEEPER
ENGINE
PULLEY
ENGINE
PULLEY
IDLER
BELT
KEEPER
FAN
inf ISO
AS VIEWED FROM BOTTOM
TO ADJUST MOTION CONTROL LEVER
(See Fig. 27)
The motion control lever has been preset at the factory and
adjustment should not be necessary.
If for any reason the motion control lever will not hold its
position while at a selected speed, it may be adjusted at the
friction pack located on the right side of chassis.
•
Park tractor on level surface. Stop tractor by turning
ignition key to “OFF position and engage parking
brake.
• Place motion control lever in neutral (N) position.
• While holding locknut, loosen jam nut
• Tighten locknut 1/4 turn.
• While holding locknut, tighten Jam nut securely,
NOTE: If for any reason the effort to move the motion
control lever becomes too excessive, reverse the above
adjustment procedure by loosening locknut 1/4 turn.
Road test tractor after adjustment and repeat procedure If
necessary.
TRANSMISSION REMOVAUREPLACEMENT
Should your transmission require removal for service or
replacement, it should be purged after reinstailation before
operating the tractor. See "PURGE TRANSMISSION" in
Operation section of this manual.
TO ADJUST STEERING WHEEL ALIGNMENT
if steering wheel crossbars are not horizontal (left to right)
when wheels are positioned straight fonward, remove steer­
ing wheel and reassemble per instructions in the Assembly
section of this manual.
FIG. 26
24