TM 9-1220-238-14
Table 3-1 Operator/Crew Preventive Maintenance Checks and Services
B-Before Operation
D-During Operation
A-After Operation
Time Required: 04
Time Required: 08
Interval and
Work
Sequence no.
Item to be Inspected Procedure
Time
B
D
A
(M/H)
BOARD PLOTTING AND EQUIPMENT
01
1
Check for damage, missing parts and cleanliness (Para 3-11a thru c)
2
01
EXPOSED FUNCTIONAL SURFACES
3
Clean and remove all dirt and foreign matter (Para 3-11d )
01
4
02
SCALE ASSEMBLY
5
Check ease of operation and adjustment (Para 2-6a and b and 4-13d )
01
VERNIER SCALE
6
Check for proper function and lubrication (Para 2-6d and 3-3d )
01
3-5
