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Page Title:
Table 6. Electrical System Troubleshooting Procedures - Continued. |
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 TM 5-2410-237-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 6. Electrical System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
16. Hourmeter Inoperative - Continued.
f. Operate engine and wait
1. If voltage is indicated, stop
until normal operating oil
engine and go to Table 6,
pressure is reached.
Malfunction 16, Test 2.
2. If voltage is not indicated,
stop engine and go to Table 6,
Malfunction 16, Test 1, step g.
1. If voltage is indicated, replace
g. Connect meter positive
the oil pressure switch (WP
lead to red wire at switch
and meter negative lead to
2. If voltage is not indicated,
chassis ground.
repair open circuit between
oil pressure switch and
ammeter (WP 0242 00).
2.
Test temperature switch
wire for continuity.
a. Place battery disconnect
switch in OFF position.
b. Disconnect wire between
hourmeter ground wire
and oil pressure switch-
to-hourmeter wire at both
ends.
c. Set
to
appropriate ohm (Ω)
range (WP 0242 00).
d. Connect meter positive
lead to one end of oil
pressure switch-to-hour-
meter wire.
1. If continuity is indicated, go
e. Connect meter negative
to step f.
lead to other end of oil
pressure switch-to-hour-
meter wire. Observe
meter.
2. If continuity is not indicated,
repair open circuit in wire
f. Connect meter positive
lead to ground wire
(black). Connect meter
negative lead to chassis
ground.
0006 00-69
Change 1
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