To Replace Mower Blade Drive Belt - Craftsman 917.272248 Owner's Manual

Lawn tractor 20.0 hp, 48" mower electric start automatic transmission
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TO REPLACE
MOWER
BLADE
(SECONDARY)
DRIVE
BELT
Park the tractor on level surface.
Engage
parking brake.
1.
Remove mower (See 'frO 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.
Secondary
Idler Arm
Idler
L.H.
Pulley
Mandrel
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 'q-O
INSTALL
MOWER"
in this section
of
manual).
Secondary
Spring Arm
Mandrel
Mower Blade
(Secondary)
Drive Belt
a.H.
Mandrel
23

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