TM
9-4931-436-14&P
CHAPTER 3
OPERATOR/CREW
MAINTENANCE
INSTRUCTIONS
PREVENTIVE MAINTENANCE CHECKS AND SERVICES
Section I.
3-1. OPERATOR/CREW PREVENTIVE MAINTE-
organizational maintenance for inspec-
The purpose of preventive
NANCE.
tion and correction.
maintenance is to ensure that the
device
is always ready for
alignment
Operator/crew preventive maintenance
operation. The operator must perform
checks and services are outlined in
a systematic inspection to discover
defects before they result in opera-
operating the alignment device are num-
Defects
bered sequentially and appear in the "B"
tional failure of eqiupment,
column under the heading Interval and
or malfunctions discovered by the
Sequence No. The work-time for each
operator during use, or as a result
task is given in manhours, to one decimal
of performing daily maintenance checks
place, in the work time (M/H) column.
and services, will be reported to
Table 3-1.
Operator/Crew Preventive Maintenance Checks and Services
A - After Operation
D - During Operation
B - Before Operation
Time Required: 0.8
Time Required:
Time Required: 0.8
Work
Interval and
ITEM TO BE INSPECTED
Time
Sequence No.
PROCEDURE
B
D
A
(M/H)
0.1
INSTRUMENT CASE - Visually inspect for damaged
9
1
latches, case damage, and dirt. Report to higher
level maintenance if damaged.
0.1
BUILT-IN VOLTAGE METER - Visually inspect to ensure
10
2
face covering is undamaged. Report to higher level
of maintenance if damaged.
0.1
25-METER LINE - Visually inspect to ensure that
11
3
line is unknotted and intact. Replace if damaged.
0.1
BATTERY CHECK Pushbutton Switch - Visually inspect
12
4
to ensure switch is undamaged. Press to ensure
free action. Report to higher level maintenance
if damaged.
0.1
POWER ON Pushbutton Switch - Visually inspect to
13
5
ensure switch is undamaged. Press to ensure free
action. Report to higher level maintenance if
damaged.
3-l
