MAINTENANCE
SECTION 5
Page 76 CMD-4081877 / 90-865861040 MARCH 2004
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Drive Belts
All drive belts must be periodically inspected for tension and condition (excessive wear,
cracks, fraying, or glazed surfaces).
If any drive belts need replacement or tension needs adjustment, see your authorized
Cummins MerCruiser Diesel dealer / distributor.
WARNING
Avoid possible serious injury. Make sure engine is shut off and ignition key is
removed before inspecting belts.
Checking Serpentine Belt
1. The various components are:
80063
b
c
d
a
e
Typical
a-Water circulating pump pulley
b-Automatic tensioner pulley
c-Alternator pulley
d-Crankshaft pulley
e-Serpentine belt