Current Output; Repair; Removal - Mercury Optimax 115 Service Manual

Current Output

1. With engine shut off, install ammeter (capable of reading 60+ amperes) in series be-
tween TERMINAL B on alternator and POSITIVE (+) terminal of battery.
2. Start engine and allow to warm up. Advance RPM to 2000.
3. Insert tool, previously fabricated for VOLTAGE OUTPUT, through end cover and
ground TERMINAL F.
a -
b -
c -
d -
e -
4. Normal output is 60 amperes @ 2000 RPM. If output is normal, replace regulator. If
output is low, a disassembly of the alternator is necessary to inspect and test individ-
ual components.

Repair

Removal

1. Remove top cowling.
2. Disconnect battery cables from battery.
3. Disconnect wiring harness from alternator.
4. Remove pivot bolt and tension bolt.
a -
b -
90-855347R1 JANUARY 1999
c
b
Terminal F
Tool
Jumper Wire to Engine Ground
Terminal B
Ammeter
a
a
Attaching Bolt
Harnesses
d
a
e
56116
a a
b
b
CHARGING & STARTING SYSTEM
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