TM-5-5420-202-20-1
M60A1 CHASSIS, TRANSPORTING; FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL; VOLUME 1 OF 4
OCTOBER 1985
TM-5-5420-202-20-1 - Page 639 of 1020
4-414.18
Change 6
TM 5-5420-202-20-1
DETAILED TROUBLESHOOTING PROCEDURE
VEHICLE OPERATION – HULL POWER
(Continued)
Symptom-31.1
First Technician (Commander’s Station)
•
Connect red probe of meter to "T" harness
socket F and black probe to socket C.
•
Check if meter indicates 24 to 29 volt dc.
Check CKT 532 at voltage regulator for 24 to 29
volts dc.
Does meter indicate 24 to 29 volts dc?
32
•
Stop Engine.
•
Set FUEL PUMPS switch OFF.
•
Set MASTER BATTERY switch
OFF.
•
Disconnect “T” harness from
harness 12326542 connector (1,
1A, 532, 533, 534)
.
•
Disconnect “T” harness from
voltage regulator.
•
Replace voltage regulator (page
10-1).
33
NO
YES
•
Stop Engine.
•
Set FUEL PUMPS switch OFF.
•
Set MASTER BATTERY switch OFF.
•
Replace alternator (page 10-1).
•
Disconnect “T” harness from harness 12326542
connector (1, 1A, 532, 533, 534).
•
Connect harness 12326542 connector (1, 1A, 532,
533, 534) to voltage regulator.
•
Replace commander’s floor plate (page 17-9).
34
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