Periodic Maintenance
Drive Belt Tension
Adjustment
The following maintenance check should be per-
formed every 50 hours or 60 days (whichever comes
first)infreshwaterareasorevery25hoursor30days
in salt water areas.
V-Belt
1.
Install drive belt on pulleys and adjust tension as
follows:
!
CAUTION
Remove all battery cables from battery (before
conducting the following check) to prevent acci-
dentally shorting out electrical system.
a. Pivot alternator away from engine, as re-
quired, until correct tension is obtained as
shown. Belt should depress 1/4 in. (6 mm).
1.
Inspect entire alternator system for corroded or
loose connectors.
2.
3.
Check wiring for frayed or worn insulation.
a
Check alternator drive belt for excessive wear,
cracks, fraying and glazed surfaces. Also, check
drive belt tension and adjust, if necessary, as ex-
plained under “Drive Belt Tension Adjustment.”
4.
5.
Check alternator mounting bolts for adequate
tightness.
Inspect slip ring end frame flame arrestor screen
for debris and clean, if necessary, using com-
pressed air or a cloth. Screen MUST BE clean, or
alternator may overheat.
72669
a - Check Point
b. After obtaining correct tension, securely re-
tighten alternator brace attaching bolts and
alternator mounting bolts.
Index
90-823224--2 796
CHARGING SYSTEM - 4C-21
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you