TM 5-3800-205-23-1
ELECTRICAL GENERAL MAINTENANCE INSTRUCTIONS - CONTINUED
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RELAY INSPECTION AND TEST
1.
Inspecting Relays.
a.
Check for bent or damaged pins.
b.
Check for burned or damaged relay case.
Testing Relays.
2.
NOTE
When testing relays, always refer to the circuit diagram printed or stamped on relay case.
a.
Using a multimeter, check for continuity across relay coil.
b.
Using a multimeter, check open or closed contacts within relay.
AIR INTAKE HEATER-TO-ENGINE BLOCK GROUND STRAP REPLACEMENT
1.
Place battery disconnect switch in OFF position (TM 5-3800-205-10-1 or TM 5-3800-205-10-2).
2.
Open engine access door (TM 5-3800-205-10-1 or TM 5-3800-205-10-2).
3.
Remove two nuts (45), washers (46), and ground strap (44) from studs (47) on intake heater (43) and engine block (42).
NOTE
Ensure ground points are clean.
4.
Install ground strap (44) on studs (47) on intake heater (43) and engine block (42) with two washers (46) and nuts (45).
5.
Close engine access door (TM 5-3800-205-10-1 or TM 5-3800-205-10-2).
47
390-1688
42
43
44
45,46
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