TM 5-4310-379-14
5-32. Compressor Cylinders
This task covers:
Repair
INITIAL SETUP:
Tools
Materials/Parts (Cont)
General Mechanic's Tool Kit
(NSN 5180-00-177-7033)
Tape (Item 24, Appendix D)
Wrench, Torque (NSN 512-00-554-7292)
Bands, Rubber (Items, Appendix D)
Gage, Cylinder Bore (NSN 5210-00-494-1774)
Bags, Plastic (Item 4, Appendix D)
Materials/Parts
Equipment Condition
Cylinder, Compressor
Pistons, connecting rods and bearings removed
Detergent, Nonionic (Item 10, Appendix D)
(para 5-31).
Gasket, Crankcase
Repair. (figure 5-48)
NOTE
There are two cylinders. Removal of each cylinder is the same.
(1)
Remove eight screws (1) and lockwashers (2) securing cylinder (3) to crankcase (4) and remove cylinder.
(2)
Remove and discard cylinder to crankcase gasket (5).
WARNING
Cleanliness is imperative in maintaining and handling diving air system components. All tools
and parts must be kept free of oil, grease, rust, or other contamination in accordance with
accepted army diving cleaning procedures. Foreign substances within an assembly could result
in equipment failure and possible injury or death to personnel.
(3)
Clean cylinders using nonionic detergent cleaner and rinse with clean distilled water.
(4)
If cylinder has any cracks, replace cylinder. Magnaflux cylinder and check for cracks or other damage.
(5)
Inspect cylinder for out-of round, if cylinder is out-of-round, replace cylinder.
NOTE
Cylinder bore for high pressure piston is 3.250-3.251 in. (8.255-8.257 cm) and bore for low pressure
piston is 6.000-6. 001 in. (15. 2400-15. 2425 cm).
(6)
Measure cylinder bore eight places 900 apart. Maximum variance is 0. 002 inch, if variance exceeds
maximum, replace cylinder.
5-146 Change 1
