Section V TROUBLESHOOTING
GENERAL
This section contains troubleshooting, testing and repair informa-
tion to fix the M992 vehicle. Make sure the problem is real. Be sure
electrical or hydraulic power is ON when it is needed. Use the Quick
Guide to Troubleshooting (p 2-51) and the Troubleshooting Charts
NOTE
If the problem is not listed or if you are unable to
correct it, notify Support Maintenance.
(p 2-61) by following the instructions below.
ELECTRICAL CHECKS AND TESTS
WARNING
Remove all jewelry and wristwatches before work-
ing on electrical circuits.
NOTE
Proper operation of electrical components requires
proper grounding. In all troubleshooting pro-
cedures of components which depend on screws or
physical contact for their electrical ground, use
jumper wire connected between the component
and the hull to check component operation. If com-
ponent then operates, a faulty ground is indicated.
Clean ground contact surfaces and tighten screws,
or repair/replace ground wires found to be
defective.
A
TM 9-4910-571-12&P provides instructions for operation and use
of Simplified Test Equipment/Internal Combustion Engines
(STE/ICE) during vehicle testing.
B
A Vehicle Test Card for use with STE/ICE is located on 2-48.47.
c
Procedures for performing STE/ICE tests referenced in the
troubleshooting can be found in Section IV of this chapter.
2-49
Change 1
TA312685
TM 9-2350-267-20