TM 9--2350--292--20--1
0148 00--1
EXCESSIVE INTERFERENCE WITH MAIN ENGINE RUNNING AND VEHICLE
STATIONARY.
0148 00
THIS WORK PACKAGE COVERS:
Excessive Interference With Main Engine Running And Vehicle Stationary.
INITIAL SETUP:
Tools and Special Tools
General mechanics tool kit (item 1, WP 0717 00)
Equipment Conditions
Vehicle MASTER switch OFF (TM 9--2350--292--10)
Engine deck removed (WP 0417 00)
Personnel Required
Two
Is interference heard?
1. Remove harness 3W143 ground cables from
hull.
2. Thoroughly clean mounting screw, wire
terminals and mounting surface. Reinstall
cables.
3. Start engine and turn radio ON
(TM 9--2350--292--10). Listen for interference.
4. Shut down engine and turn radio OFF
(TM 9--2350--292--10).
no
yes
no
yes
A
B
CONTINUED ON NEXT PAGE
1. Open left side rear deck door
(TM 9--2350--292--10).
2. Remove ground wire from voltage regulator
and hull ground lug.
3. Thoroughly clean ground wire, voltage
regulator ground terminal and hull ground lug.
4. Install ground wire to voltage regulator and hull
ground lug.
5. Start engine and turn radio ON
(TM 9--2350--292--10). Listen for interference.
6. Shut engine down and turn radio OFF
(TM 9--2350--292--10).
Is interference heard?
WARNING
Remove rings, bracelets, wristwatches,
and neck chains before working on any
vehicle. Jewelry can catch on equip-
ment and cause injury, or may short
across an electrical circuit and cause
severe burns or electrical shock.
Fault corrected.
Replace voltage regulator (WP 0239 00).
Verify fault is corrected.