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 TM 10-3930-638-24&P
2-26. ALTERNATOR MAINTENANCE (cont)
STEP
ITEM
ACTION
LOCATION
REMARKS
TESTING (cont)
15
Operator's
IGNITION switch
Place in OFF
compartment
position
16
Battery ground cable
Battery compart-
Disconnect
ment, rear of
vehicle
17
Engine compart-
Connect
Between alternator BAT terminal and
ment
starter relay terminal 3
18
Battery compart-
a. Battery ground
Connect
ment, rear of
cable
vehicle
b. Carbon pile
Connect
Across batteries
19
Operator's
a. IGNITION switch
Place in ON
compartment
position
b. START switch
Depress
Start and operate engine at 1800 RPM;
turn all vehicle lights on to increase
load on batteries
20
Engine compart-
Ammeter should indicate 27 to 47
Observe
ment
amperes with engine operating at 1800
RPM; if ammeter does not indicate
27 to 40 amperes, replace alternator
21
Operator's
IGNITION switch
Turn all vehicle lights off
Place in OFF
compartment
position
22
Battery compart-
a. Battery ground cable
Disconnect
ment, rear of
vehicle
b. Carbon pile
From batteries
Disconnect
23
Engine compart- Ammeter
Disconnect
ment
24
Battery compart- Battery ground cable
Connect
ment, rear of
vehicle
2-118
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