MAINTENANCE AND REPAIR INSTRUCTIONS
SERVICING THE UNIT
3.
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.
Discard approp riately (Fig. 10).
Extreme care and knowle dge of the system is required
whe n servicing this unit. Service should be performe d by
qualified service personne l only. Replaceme nt parts for
this unit mus t be identical to the parts the y replace. Refer
any repair to an authorize d service dealer.
4.
Loop the new belt around the drive pulley and driven
pulley (Fig. 10). Pull the belt tens ione r (idler arm)
away from the drive pulley to install the belt around
the drive pulley.
INSPECTING/ REP LACING THE DRIVE BELT
NOTE: Make sure the washer is still in place on the
driven pulley shaft prior to reinstalling the belt
case cove r.
When servicing the unit, us e only origina l equipme nt
ma nufa cture r 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 .
Be lt Tensioner
(Idler Arm)
WARNING: pToersavoidona lsinjury,eriousturn
off the unit and allow it to cool. Unplug the
unit before you perform any ma intenance.
Drive Shaft
1.
2.
Remove the flange lock nut from the belt case cove r
with a wrench or nut driver (Fig. 9).
Remove the seven (7) screws from the belt case
cove r us ing a #T20 Torx bit or flat blade screwdriver
(Fig. 9).
WARNING: eTolecretricducalesthehocrisk, k of
replace the cove r before conne cting the
unit to a powe r sourc e.
Be lt
Drive
Pulley
Washer
Fig. 10
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).
Co ver
Scre ws (7)
Reinstall the flange lock nut. Torque the nut to
80-100
in• lb (9.0-11.2 N• m).
NOTE: If the flange lock nut is dama ge d, do not replace
it with a standard nut. Replace only with an
origina l equipme nt ma nufa cture r replaceme nt
part.
Flange Lock Nut
Fig. 9
11
| Categories | MTD Snow Blower Manuals, Snow Blower Manuals, Yard Man Snow Blower Manuals |
|---|---|
| Tags | MTD 769-00857, MTD Snow Blower Manual, Yard Man 769-00857 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | Yard-Man, 769-00857, Snow Blower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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