To Replace Mower Drive Belt; Drive Belt Installation - Craftsman 917.276071 Owner's Manual

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. The two front
links must remain equal in length.
• 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.
Blade
BOTH FRONT PLATE LINKS MUST BE
EQUAL IN LENGTH
Nut "D" _
Trunnio_ _ Nut"C"
Front Plate Assembl
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. Remove screws from R.H. mandrel
cover and remove cover.
4. Remove any dirt or grass clippings
which may have accumulated around
mandrels and entire upper deck sur-
face.
5. Disconnect R.H. suspension arm from
rear deck bracket by removing retainer
spring.
6. Carefully roll belt over the top of R.H.
mandrel pulley.
7. Remove belt from electric clutch pulley.
8. Remove belt from idler pulleys.
9. Check primary idler arm and two idlers
to see that they rotate freely.
10. Be sure spring is securely hooked to
primary idler arm and spring arm.
MOWER DRIVE BELT INSTALLATION
11. Install belt in both idlers.
12. Install new belt onto electric clutch pul-
ley.
13. Carefully roll belt into upper groove of
R.H. mandrel pulley.
14. Carefully check belt routing making
sure belt is in the grooves correctly.
15. Reconnect R.H. suspension arm to
rear deck bracket with retainer spring.
16. Reassemble R.H. mandrel cover.
Idler
Pulleys
Spring Arm
R.H. Suspension
Arm
Primary Idler Arm
Mandrel
21