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OM-C3 11/21
61
Service and Maintenance - As Required
SP 31. Replacing Alternator Belt (With Automatic
Tensioner)
Refer to CHECKING BELT TENSIONER SPRING
TENSION AND BELT WEAR (page 38-39) for
additional information on the belt tensioner.
Belt guard must be in place
at all times when engine is
running.
NOTE: While belt is removed, inspect pulleys and
bearings. Rotate and feel for hard turning or any unusual
sounds. If pulleys or bearings need replacement, see your
Northern Lights dealer.
1. Remove cap screws (A) and carefully remove belt
guard from engine.
2. Release tension on belt using a breaker bar and socket
on tension arm and remove poly-vee belt from pulleys.
3. Inspect belts for cracks, fraying, or stretched out areas.
Replace if necessary.
4. Install new belt, making sure belt is correctly seated in
all pulley grooves. Refer to belt routing at right.
5. Apply tension to belt with tensioner. Remove socket.
6. Start engine and check belt alignment.
IMPORTANT: Four-valve cylinder head engines are
Removal of belt guard. Cap screws (A)
Belt routing:
ALT - Alternator
T- Tensioner
I - Idler Pulley
CP - Coolant Pump
CSP - Crankshaft Pulley
!
CAUTION