ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 4-14.1. IMU Testing, Alignment, and Troubleshooting Using Tape Reader Part No. 877408-2-
Continued
Malfunction
indication/corrective action
Test procedure
Normal indication
2u. Set PS BATTERY and
VEHICLE circuit breakers CB1
and CB2 to OFF
2v. Set TTY printer MOTOR
switch to OFF
2w. Press SPUON switch-indicator SPU ON switchindicator goes off
to off
2x. Disconnect equipment
2y. Record IMU alignment check-
sum, date of alignment and
IMU serial number and stem in
IMU tape compartment
2z. Remove and save IMU align-
ment TTY printout
2aa. Proceed to paragraph 4-12
TEST COMPLETED
4-90.11/(4-90.12 blank)
Change 6
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