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. 877406-2 -
Continued
Malfunction
indication/corrective action
Normal indication
Test procedure
NOTE
TEST NUMBER X IN PROGRESS
NOTE
000000
Do not move PADS again until in-
000000 will print out periodically
structed to do so.
during test to indicate the start of a
subtest. The time since start also
may be printed.
If a failure occurs, the number will
be nonzero and IMU, CMP, or PSU
FAILURE will print. A set of failure
subcodes will then be printed which
provide useful information for depot
repair of the IMU and computer.
Replace or repair the computer or
power supply as appropriate. Return
a failed IMU to depot with a copy of
the TTY printout.
2f. Type XXX XX XX.X RDY for TTY prints out:
degrees, minutes, and seconds of RDY
ENTER ELEVATION: (FT) RDY
each numerical grouping
TTY prints out:
2g. Type XXX.X RDY for correct
elevation in feet
RDY
ENTER DATE: (JULIAN) RDY
2h. Type XXXX RDY for correct TTY prints out:
Julian data
RDY
ENTER SER NO: (DIGITS) RDY
TTY prints out:
2i. Type correct IMU serial number TTY prints out:
in format XXXX RDY
SERIAL NO INCORRECT:
RDY
Load correct IMU alignment data
ALIGNMENT PROCEEDING
tape
IF THEODOLITE WILL NOT BE
USED, TYPE: BYP
2j. Type BYP if theodolite will not TTY prints out:
be used
BYP
NOTE
There are 10 subtests, but one or more will be deleted depending on the use of the theodolite.
4-90.7
Change 5