Drive Belt Installation - Craftsman 917.275281 Owner's Manual

Garden tractor 27.0 hp, 48" mower electric start automatic transmission
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CAUTION:
Blades are sharp, Protect
your hands with gloves and/or wrap blade
with heavy cloth.
Check adjustment on right side of tractor.
Position any blade so the tip is pointing
straight forward.
Measure distance "B" at
front and rear tip of blade
• Before making any necessary adjust-
ments, check that both front links are
equal in length.
• If links are not equal in length, adjust
one link to same length as other link,
• To lower front of blade, loosen nut =C"
on both front links an equal number of
turns.
NOTE:
Each full turn of nut "C" will
change dim. "B" by approximately
3/16".
• When distance "B" is 1/8" to 1/2" lower
at front than rear. tighten nut "D" against
trunnion on both front links.
• To raise front of blade, loosen nut
"D" from trunnion on both front links.
Tighten nut "C" on both front links an
equal number
of turns.
• When distance
"B" is 1/8" to 1/2" lower
at front than rear, tighten nut "D" against
trunnion
on both front links.
• Recheck
side-to-side
adjustment.
"B"
"B"
BOTH FRONT LINKS MUST BE EQUAL IN
LENGTH
-Nut "C"
Front Plate
Trunnion
Assembly
TO REPLACE
MOWER
DRIVE
BELT
MOWER
DRIVE BELT REMOVAL
1. Park tractor on a level surface. Engage
parking
brake.
2,
Lower mower to its lowest position.
3.
Disengage
belt tension
rod from lock
bCracket.
AUTION;
Rod is spring loaded.
Have a firm grip on rod and release
slowly.
4.
Remove
screws from R.H. mandrel
cover and remove cover.
5.
Remove
any dirt or grass clippings
which may have accumulated
around
mandrels
and entire upper deck sur-
face.
6.
Disconnect
R.H. suspension
arm from
rear deck bracket by removing
retainer
spring,
7,
Carefully
roll belt over the top of R.H.
mandrel
pulley,
8.
Remove
belt from electric
clutch pulley.
9.
Remove
belt from idler pulleys.
10.Check
primary
idler arm and two idlers
to see that they rotate freely.
11, Be sure spring is securely hooked to
primary idler arm and spring arm.
MOWER
DRIVE
BELT INSTALLATION
12. Install belt in both idlers.
13. Install new belt onto electric clutch pul-
ley.
14.Carefully
roll belt into upper groove of
R.H. mandrel pulley,
15.Carefully
check belt muting making
sure belt is in the grooves correctly.
16. Reconnect
R.H. suspension arm to
rear deck bracket with retainer spring,
17. Reassemble
R.H. mandrel cover.
18. Engage belt tension rod by pushing rod
into locking bracket.
22

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