TM 5-3805-254-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
53.
POWER TAKE OFF INDICATOR LAMP DOES NOT WORK - CONTINUED.
WARNING
Although KEY SWITCH must be on and battery ground cable connected to test
electrical circuit voltage, turn off KEY SWITCH and disconnect battery ground
cable before doing resistance tests or replacing parts. This will keep you from
getting shocked and prevent damage to parts and equipment.
NOTE
Scrape all painted surfaces to bare metal before connecting test leads to ensure
correct multimeter readings.
Step 5. Perform power take off engagement procedure (TM 10-3805-254-20) and make sure that power
take off shaft is turning. Check power take off indicator light is on.
If power take off indicator light is not lit and power take off shaft is turning, go to step 7.
Step 6.
Check wire terminal (1) on firewall junction box (2) for loose or corroded condition.
a. If loose, tighten nut (3) using 3/8-inch open-end wrench.
b. If corroded, using 3/8-inch open-end wrench, unscrew and take off nut (3),
lockwasher (4) and wire terminal (1) from terminal stud (5). Clean wire terminal (1)
and terminal stud (5) using wire brush. Place wire terminal (1), lockwasher (4) and
nut (3) on terminal stud (5) and tighten using 3/8-inch open-end wrench.
Step 7.
Check wire terminal (6) on terminal stud (7) on power take off light switch (8) for loose or corroded
condition.
a.
If loose, tighten screw (9) using number one cross-tip screwdriver.
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