TM 5-6675-320-14
Table 4-9. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - Cont
B - Before
W - Weekly
AN - Annually
(Number) - Hundreds of Hours
D - During
M - Monthly
S
- Semiannually
A - After
Q - Quarterly
BI
- Biennially
I
I
ITEM TER-
ITEM TO BE INSPECTED
NO.
VAL
PROCEDURE
GRAPHICS PLOTTER - Cont
3
M
Plotting Repeatabilitv and Accuracy Test - Cont
3.
Use optical comparator to measure difference be-
tween full length of single line and retrace seg-
m e n t o f t h a t l i n e .
Repeatability should be within
±0.1 mm.
For Readiness
Reporting,
Equipment Is
Not Ready/
Available If:
4 . U s i n g m e t r i c s c a l e r , v e r i f y t h a t p l o t t i n g a c c u r a c y
i s w i t h i n s p e c i f i c a t i o n s s h o w n o n i l l u s t r a t i o n.
4-56
IN-
