To Replace Mower Blade Drive Belt - Craftsman 917.275284 Owner's Manual

Belt Tension
Rod
(Disengaged
Position)
a.H.
Mandrel
Cover
Electric
Pulley
Idler
Pulleys
Arm
a.H.
Mandrel
Suspension
Arm Primary
Idler Arm
TO REPLACE MOWER BLADE (SEC-
ONDARY) DRIVE BELT
Park the tractor on level surface. Engage
parking brake.
1. Remove mower (See "TO REMOVE
MOWER" in this section of manual).
2. Remove screws from R.H. and L.H.
mandrel covers and remove covers.
REMOVE MOWER DRIVE BELT
(Refer to "TO REMOVE MOWER DRIVE
BELT" illustration in this section of
manual).
3. Carefully roll belt over the top of R.H.
mandrel pulley.
4. Remove belt from idler pulleys.
5. Check primary idler arm and two idlers
to see that they rotate freely.
6. Be sure spring is securely hooked to
primary idler arm and spring arm.
REMOVE MOWER BLADE
(SECONDARY) DRIVE BELT
7. Carefully roll belt off L.H. mandrel pul-
ley.
8. Remove belt from center mandrel
pulley, idler pulley, and R.H. mandrel
pulley.
9. Remove any dirt or grass which may
have accumulated around mandrels
and entire upper deck surface.
10. Check secondary idler arm and idler
pulley to see that they rotate freely.
11. Be sure spring is hooked in secondary
idler arm and secondary spring arm.
INSTALL NEW MOWER BLADE
(SECONDARY) DRIVE BELT
12. Install new belt in lower groove of R.H.
mandrel pulley, idler pulley, and center
mandrel pulley as shown.
13.Carefully roll belt over L.H. mandrel
pulley. Make sure belt is in all grooves
properly.
REINSTALL MOWER DRIVE BELT
(Refer to "TO REMOVE MOWER DRIVE
BELT" illustration in this section of
manual).
14. Install belt into upper groove of R.H.
mandrel pulley and around both idlers.
Pull belt to front of mower to remove
slack.
15. Reinstall mandrel covers and securely
tighten all screws.
16. Carefully check belt routing making
sure belt is in all grooves correctly.
17. Reinstall mower to tractor (See "TO
INSTALL MOWER" in this section of
manual).
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