4C - 4 - CHARGING SYSTEM
90-816462 2-695
Periodic Maintenance
The following maintenance check should be per-
formed every 50 hours or 60 days (whichever comes
first) in fresh water areas or every 25 hours or 30 days
in salt water areas.
!
CAUTION
Remove all battery cables from battery (before
conducting the following check) to prevent acci-
dentally shorting out electrical system.
1. Inspect entire alternator system for corroded or
loose connectors.
2. Check wiring for frayed or worn insulation.
3. 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. Check alternator mounting bolts for adequate
tightness.
5. 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.
72078
a
a - Inspect This Area
Drive Belt Tension
Adjustment
Alternator
1. Install drive belt on pulleys and adjust tension as
follows:
a. Pivot alternator away from engine, as re-
quired, until correct tension is obtained as
shown. Belt should depress 1/2 in. (13 mm).
72669
a - Check Point
a
b. After obtaining correct tension, securely re-
tighten alternator brace attaching bolts and
alternator mounting bolts.
2. If a new drive belt has been installed, recheck belt
tension after running for five minutes.
Summary of Contents for 13
Page 1: ...13 Printed in U S A 90 816462 2 695 1995 Brunswick Corporation GM 4 Cylinder MARINE ENGINES ...
Page 2: ...90 816462 2 695 0 ...
Page 7: ...1 A IMPORTANT INFORMATION GENERAL INFORMATION 72000 ...
Page 15: ...1 B 50617 IMPORTANT INFORMATION MAINTENANCE ...
Page 36: ...1 C IMPORTANT INFORMATION TROUBLESHOOTING ...
Page 74: ...2 A 50633 REMOVAL AND INSTALLATION 4 CYL ALPHA ONE DRIVE ...
Page 88: ...3 A 26790 ENGINE 181 CID 3 0L 4 CYLINDER GM ENGINE ...
Page 137: ...4 A 72079 ELECTRICAL SYSTEMS STARTING SYSTEM ...
Page 170: ...4 B 71855 ELECTRICAL SYSTEMS IGNITION SYSTEM ...
Page 197: ...ELECTRICAL SYSTEMS CHARGING SYSTEM 4 C 72078 ...
Page 237: ...4 D 72747 ELECTRICAL SYSTEMS INSTRUMENTATION ...
Page 250: ...4 E 72938 ELECTRICAL SYSTEMS WIRING DIAGRAMS ...
Page 264: ...5 A FUEL SYSTEM FUEL PUMP ...
Page 271: ...5 B 72681 FUEL SYSTEM MERCARB 2 BARREL CARBURETOR ...
Page 300: ...6 A 50628 COOLING SYSTEM SEAWATER COOLED MODELS ...
Page 309: ...6 B 73665 COOLING SYSTEM CLOSED COOLING MODELS ...
Page 325: ...C 6 EXHAUST SYSTEM MANIFOLD ...
Page 331: ...7 A 71317 POWER STEERING PUMP ...