TM 5-6675-319-14
Table 9-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS
B - Before
W - Weekly
AN - Annually
D - During
M - Monthly
S - Semiannually
A - After-
Q - Quarterly
BI - Biennially
ITEM
NO.
2
IN-
TER-
VAL
B
AND SERVICES - Cont
(Number) - Hundreds of Hours
ITEM TO BE INSPECTED
PROCEDURE
CONTACT PRINTER/ENLARGER - Cont
Test Platen Airbag Pressure - Cont
6 . A t t a c h h a n d a i r p u m p t o a i r b a g i n f l a t i o n v a l v e .
7 . O p e n a i r b a g i n f l a t i o n v a l v e b y t u r n i n g k n u r l ed
l o c k t o l e f t .
I n f l a t e a i r b a g
o v e r i n f l a t e d.
8 . S l o w l y o p e r a te
p r e s s u r e.
CAUTION
s l o w l y.
A i r b a g w i l l r u p t u r e if
hand air pump to increase airbag
9.
Close airbag inflation valve by turning knurled
l o c k t o r i g h t .
10.
Recheck airbag pressure by repeating steps 4 and
5.
11.
When airbag pressure indicates 8-12 lbs, discon-
nect hand air pump.
12.
Slowly open airbag inflation valve by turning
k n u r l e d l o c k t o l e f t.
13.
Bleed slight amount of air from airbag.
1 4 . C l o s e a i r b a g i n f l a t i o n v a l v e b y t u r n i n g k n u r l e d
l o c k t o r i g h t .
NOTE
Platen air pressure must be checked each time
thickness of printing material changes .
15.
Recheck airbag pressure by repeating steps 4
and 5.
For Readiness
Reporting,
Equipment Is
Not Ready/
Available If:
Airbag
fails to
i n f l a t e .
9-30
