Power Take Off; To Adjust Mower Drive Belt; To Replace Mower Drive Belt; Front-To-Back Adjustment - Craftsman 917.255930 Owner's Manual

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FRONT-TO-BACK ADJUSTMENT (See Figs. 31 and 32)
To obtain the best cutting results, the mower housing should
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be adjusted so the back s approx mately 7/8 to 1-1/8 h ghe
than the front when the mower is in height adjustment
position.
Measure distance "D" from ground line to bottom of deck
curl at centerline outside of mandrels.
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ADJUSTMENTS
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TO ADJUST MOWER DRIVE BELT
(See Fig. 33)
• Lower' mower with attachment lift lever.
• Check dimension "A" on idler bracket assembty as
shown. If dimension is 1/4" or less, belt should be
adjusted°
• Pull tension pulley lever forward to loosen belt.
• Remove idler pulley and reassemble in "NEW" pulley
position hole. Tighten securely°
° Push tension pulley lever rearward into operating po-
sition.
° Check belt for proper position in all puIley grooves.
NOTE: When installing a new reptacement mower drive
belt, idler pulley must be moved back to "ORIGINAL" pulley
3osition.
BACK
D ÷ 7/8" TO 1-1/8"
FRONT
FIG. 31
• To raise rear of mower, loosen nut "E" on both rear
suspension arms. Screw both nuts "F" on both rear
suspension arms an equal number of turns.
, When distance "D" is 7/8" to 1-1/8" higher at rear than
front, retighten nuts "E".
NUT "E" ARMS
FIG. 32
• Recheck side*to-side adjustment,
IMPORTANT: WHEN ADJUSTING REAR SUSPENSIONARMS,
ALWAYS ADJUST BOTH EQUALLY SO MOWER WILL STAY
LEVEL SIDE-TO-SIDE.
CLUTCH MOWER
DRIVE
TENSION
IDLER
BRACKET
ASSEMBLY
IDLER
IDLER
PULLEY
PULL FORWARD
TO LOOSEN BELT NEW PULLEY
FOR EASIER PULLEY POSITION
BELT INSTALLATION POSITION
FIG. 33
TO REPLACE MOWER DRIVE BELT
Reverse procedure and install new belt as described in
"DRIVE BELLE INSTALLATION" in the Assembly section
of this manual
NOTE: if old mower drive belt was adjusted, idler pulley
must be moved back to"ORIGINAL" position when installing
a new belt_
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