TM 1-8415-215-12&P
Table 3-1. AVUM Preventive Maintenance Checks and Services (Continued)
LEGEND
DA - Days
Q - Quarterly
Item
Interval
Item to be
Procedures
Equipment will be
reported not ready/
No.
DA
Q
Inspected
available If:
9.
120
Liner
Inspect for cracks or looseness.
10.
120
Shell
Inspect for cracks, dirt, damaged paint or
marking.
Shell is cracked.
11.
120
Jack Plate
Inspect for loose screws and missing
jack plate
If screws or jack plate are missing.
12.
120
Night Vision
Goggles
Mounting
System
Inspect for loose screws and excessively
loose hook and pile.
If screws or hook and pile are
excessively loose.
13.
120
Thermo
Plastic
Liner
assembly
TPL
Inspect for excessively loose hook and
pile.
If hook and pile are excessively
loose.
Section III. TROUBLESHOOTING
Table 3-2 contains troubleshooting information useful to you in diagnosing and correcting malfunctions or unsatisfactory
operation of the flyer's protective helmet.
a. The troubleshooting table lists the common malfunctions and unsatisfactory conditions you are most likely to run
into.
b. You should first find the malfunction in the table which most closely describes the problem; then perform the tests,
inspections and corrective actions in the order in which they are listed.
c. This manual cannot list all possible symptoms which may occur. If a condition exists which cannot be resolved by
you, notify your supervisor.
d. For troubleshooting information applicable to the operation of the Headset-Microphone Model MK-896A/AIC, refer
to TM 11 -5965-279-13&R
3-5
