MAINTENANCE AND REPAIR INSTRUCTIONS
INSPECTING/ REP LACING THE DRIVE BELT
Be lt Tensioner
(Idler Arm)
When servicing the snow throwe r us e only origina l MTD
replaceme nt parts. Inspect the drive belt onc e a year or
every 50 hours of op eration, whichever come s first, for
wear. If the drive belt needs to be replaced, us e the
following instruc tions .
Drive Pulley
1.
2.
Remove the flange lock nut from the belt case cove r
with a wrench or nut driver (Fig. 7).
Remove the seven (7) screws from the belt case
cove r us ing a #T20 Torx bit or flat blade screwdriver
(Fig. 7).
Be lt
Drive n
Pulley
Washer
Fig. 8
Co ver
Scre ws (7)
5.
6.
Reinstall the cove r with the seven (7) screws. To
ma ke installation easier, place the narrow part of the
cove r into the recess of the hous ing. Install the top
two screws, the n pus h the rest of the cove r down
into the recess and ove r the rotor shaft. Torque all
seven (7) screws to 18-23 in• lb (2.0-2.5 N• m).
Be lt Co ver
Ca se
Install the flange lock nut. Torque the nut to 80-100
in• lb (9.0-11.2 N• m).
Flange Lock Nut
NOTE: If the flange lock nut is dama ge d, do not replace
it with a standard nut. Replace only with an
origina l MTD replaceme nt part.
Fig. 7
3.
4.
Pull the belt tens ione r (idler arm) away from the drive
pulley. Remove the dama ge d or broke n belt from the
driven pulley and drive pulley inside of the hous ing
(Fig. 8).
Loop the new belt around the drive pulley and driven
pulley (Fig. 8). Pull the belt tens ione r (idler arm) away
from the drive pulley to install the belt around the
drive pulley.
NOTE: Make sure the washer is still in place on the
driven pulley shaft prior to reinstalling the belt
case cove r (Fig. 8).
9
| Categories | MTD Snow Blower Manuals, Snow Blower Manuals, Trimmer Plus Snow Blower Manuals |
|---|---|
| Tags | MTD Snow Blower Manual, MTD ST720R, Trimmer Plus ST720R |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Snow Blower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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