Section 4 - Maintenance
Page 66
90-8M0133679
eng
JUNE 2017
!
WARNING
Inspecting the belts with the engine running may cause serious injury or death. Turn off the engine and remove the ignition
key before adjusting tension or inspecting belts.
4.2L inboard shown, 2.8L similar
a -
Water circulating pump pulley
b -
Alternator pulley
c -
Idler
d -
Automatic tensioner
e -
Crankshaft pulley
f -
Seawater pump pulley
g -
Serpentine belt
Serpentine Belt
Inspection
1. Inspect the belt for proper tension and for the following:
•
Excessive wear
•
Cracks
NOTE: Minor, transverse cracks (across the belt width) may be acceptable. Longitudinal cracks (in the direction of
belt length) that join transverse cracks are not acceptable.
•
Fraying
•
Glazed surfaces
21062
2. Check the operation of the automatic tensioner and associated components.
a. Position a suitable tool in the automatic tensioner release slot.
b. Rotate the automatic tensioner in the direction of the arrow.
a -
Automatic tensioner
b -
Release slot
26602
a
b
c
d
e
f
g
23256
b
a
Summary of Contents for MerCruiser Diesel Inboard 2.8L
Page 1: ...2 8L and 4 2L Diesel Inboard Models OPERATION MAINTENANCE MANUAL ...
Page 2: ......
Page 8: ...Page iv 90 8M0133679 eng JUNE 2017 ...
Page 20: ...Section 1 Getting to Know Your Power Package Notes Page 12 90 8M0133679 eng JUNE 2017 ...
Page 38: ...Section 3 Specifications Notes Page 30 90 8M0133679 eng JUNE 2017 ...
Page 92: ......