Craftsman 917.28749 Operator's Manual page 25

With an 11/16" or adjustable wrench,
loosen jam nut A several turns to clear
adjustment nut B.
With a 3/4" or adjustable wrench, turn
front link adjustment nut (B) clockwise
(tighten) to raise the front of mower, or,
counterclockwise (loosen) to lower the
front mower.
Tighten adjust nut
B to raise mower
Loosen adjust nut
B to lower mower
Loosen jam nut A first
NOTE: Each full turn of the adjustment
nut will change mower height about 1/8".
, Recheck measurements, adjust if nec-
essary until front tip of blade is 1/8" to
1/2" lower than the rear tip.
, Hold adjustment nut in position with
wrench and tighten jam nut securely
against adjustment nut.
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TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL
1. Park tractor on a level surface. Engage
parking brake.
2. Lower attachment lift lever to its lowest
position.
3. Disengage belt tension rod (K) from
,_ock bracket (L).
CAUTION: Belt tension rod is spring
loaded. Have a firm grip on rod and re-
lease slowly.
4. Remove screws (P) from R.H. and L.H.
mandrel covers and remove covers
(Q).
5. Remove any dirt or grass clippings
which may have accumulated around
mandrels and entire upper deck sur-
face.
6. Remove belt from electric clutch pulley
(M), both mandrel pulleys (R) and all
idler pulleys (S).
MOWER DRIVE BELT INSTALLATION
1. Install belt around both mandrel pul-
leys (R) and around idler pulleys (S) as
shown.
2. Install belt onto electric clutch pulley
(M).
IMPORTANT: Check belt for proper rout-
ing in all mower pulley grooves.
3. Reassemble R.H. and L.H. mandrel
covers (Q). Securely tighten all screws.
4. Engage belt tension rod (K) on locking
bracket (L).
CAUTION: Belt tension rod is spring
loaded. Have a tight grip on rod and en-
gage slowly.
5. Raise attachment lift lever to highest
position.
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