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11
Cover
Screws (7)
Flange Lock Nut
3. Pull the belt tensioner (idler arm) away from the drive
pulley. Remove the damaged or broken belt from the
driven pulley and drive pulley inside of the housing.
Discard appropriately (Fig. 10).
4. Loop the new belt around the drive pulley and driven
pulley (Fig. 10). Pull the belt tensioner (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 cover.
Drive Pulley
Belt
Driven
Pulley
Belt Tensioner
(Idler Arm)
Washer
5. Reinstall the cover with the seven (7) screws. To make
installation easier, place the narrow part of the cover into
the recess of the housing. Install the top two screws, then
push the rest of the cover down into the recess and over
the rotor shaft. Torque all seven (7) screws to 18-23 in•lb
(2.0-2.5 N•m).
6. 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 damaged, do not replace it with
a standard nut. Replace only with an original
equipment manufacturer replacement part.
Fig. 10
Fig. 9
SERVICING THE UNIT
Extreme care and knowledge of the system is required when
servicing this unit. Service should be performed by qualified
service personnel only. Replacement parts for this unit must be
identical to the parts they replace. Refer any repair to an
authorized service dealer.
INSPECTING/REPLACING THE DRIVE BELT
When servicing the unit, use only original equipment
manufacturer replacement parts. Inspect the drive belt once a
year or every 50 hours of operation, whichever comes first, for
wear. If the drive belt needs to be replaced, use the following
instructions.
1. Remove the flange lock nut from the belt case cover with a
wrench or nut driver (Fig. 9).
2. Remove the seven (7) screws from the belt case cover
using a #T20 Torx bit or flat blade screwdriver (Fig. 9).
MAINTENANCE AND REPAIR INSTRUCTIONS
Belt
Driven
Pulley
Drive Pulley
Drive Belt
Retainer
Belt Tensioner
Fig. 10a
WARNING: To avoid serious personal injury,
turn off the unit and allow it to cool. Unplug the
unit before you perform any maintenance.
WARNING:
To reduce the risk of electrical
shock, replace the cover before connecting the
unit to a power source.
WARNING: When refitting the belt back into the
main housing, be sure that the belt is to the right of
the Drive Belt Retainer. If the belt is placed to the
left, serious damage may occur.