Install guide

ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 4-14. IMU Testing, Alignment, and Troubleshooting – Continued
Malfunction
Test procedure
Normal indication indication/corrective action
1i.
1j.
Install IMU alignment data tape, for IMU
being tested, on tape reader. Tape is
located in storage container on IMU con-
nector 2J2. Be careful not to tangle the
coiled tape
Set tape reader SPOOLING switch to
ENABLE
1k. Press MEMORY LOAD switch-indicator to
on
1l. Press MEMORY LOAD switch-indicator
to off
1m. Press REVERSE switch-indicator to on
1n.
1o.
1p.
1q.
lr.
1s.
1t.
lu.
Press REVERSE switch-indicator to off
Press VERIFY switch-indicator to check
tape against memory contents
Press VERIFY switch-indicator to off
Set tape reader SPOOLING switch to
DISABLE
Remove tape from tape reader and store in
container on IMU connector 2J2
Press PADS ON/OFF switch-indicator, then
ENTER
Set PS BATTERY and VEHICLE circuit
breakers CB1 and CB2 to OFF. Set TTY
MOTOR switch to OFF
Press SPU ON switch-inidcator to OFF
MEMORY LOAD switch-
Tape stops in middle or does not stop
indicator lights. Tape reader
at end: Rewind tape and reload.
reads tape and stops at end
Make sure tension is applied to the
of tape
front of the tape to ensure the sprocket
wheel is properly engaged
MEMORY LOAD switch-
indicator goes off
REVERSE switch-indicator
lights. Tape rewinds and stops
near beginning
REVERSE switch-indicator
goes off
VERIFY switch-indicator
Tape does not stop at end: Rewind tape
lights. Tape reader reads
and verify
tape and stops at end of tape
Tape stops before end and
ERROR indicator lights:
tape, reload and verify
VERIFY switch-indicator goes
off
PADS ON/OFF switch-indicator
goes off
PADS turn off
SPU ON switch-indicator goes
off
VERIFY
Rewind
4-83