TM 5-4310-372-14
AIR COMPRESSOR - continued
5-7. CLEANING, INSPECTION AND REPAIR - continued
4 .
Cylinders - cent’d
d.
High pressure cylinder
inside diameter should
equal 2.5 i n c h e s , + . 0 0 5,
-.000 in (6.35cm, +.013,
-.000 cm).
e .
Replace if worn or damaged.
f.
If cylinder is to be reused
and new piston rings are
installed on piston the
cylinder should be “deglazed”.
WARNING
D r y c l e a n i n g s o l v e n t P - D - 6 8 0 , u s e d t o c l e an
p a r t s , i s p o t e n t i a l l y d a n g e r o u s t o p e r s o n n el
a n d p r o p e r t y .
Avoid repeated and prolonged
s k i n c o n t a c t b y w e a r i n g r u b b e r o r s o l v e n t
impermeable gloves when handling the solvent or
m a t e r i a l w e t w i t h d r y c l e a n i n g s o l v e n t .
Wash
hands immediately after exposure with soap and
w a t e r a n d u s e a l a n o l i n b a s e d s k i n c r e a m to
p r e v e n t s k i n d r y i n g .
Do not use near open
flame or excessive heat.
Flash point of sol-
vent is 100°F (38°C).
E n s u r e t h a t v e n t i l a t i on
is adequate to reduce solvent vapor concentra-
tions below acceptable threshold limit values.
D e g l a z e c y l i n d e r t o p r o v i d e a p r o p e r “ b r e a k - i n”
surface for the rings.
Use an ultra-fine abrasive
c l o t h ( N o .
8 0 ) w e t t e d w i t h s o l v e n t t o d u l l t he
glaze on the cylinder wall.
Thoroughly clean the
cylinder with solvent after deglazing.
5.
Connecting Rods
a.
Inspect for wear,
55
cracks, dents or
other damage. Crank-
shaft end bore should
equal 1.750 inches, +.003,
-.000 in. (4.450 cm, +.0076,
-.000cm).
Piston end bore
should equal .810 inches,
+ . 0 0 3 ,
-.000 in (2.057 cm,
+.0076, -.OOO cm).
b.
Replace if worn or damaged
5-10
