TM 5-4310-379-14
5-33. Compressor Crankshaft
This task covers:
a.
Replace
b.
Repair
INITIAL SETUP:
Tools
Equipment Condition
General Mechanic's Tool Kit (NSN 5180-00-177-7033)
Cylinders removed (para 5-32).
Wrench, Torque (NSN 5120-00-554-7292)
Materials/Parts
Crankshaft, Compressor
Detergent, Nonionic (Item 10, Appendix D)
a.
Removal. (figure 5-49)
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.
(1)
Remove oil intake bracket mounting screw (1), lockwashers (2) and remove oil intake bracket (3) with oil
intake screen (4) attached.
(2)
Remove and discard oil intake bracket gasket (5).
(3)
Place a support under front end of crankshaft to prevent it from dropping when removing adjustment plate
(6).
(4)
Remove four screws (7) securing bearing adjustment plate (6) and remove bearing adjustment plate and
shim (8) from crankcase.
(5)
Place support under crankshaft (9), inside the crankcase (10).
(6)
Loosen coupling nut (11) securing oil pressure line (12) to oil pump cover plate (13).
(7)
Remove six screws (14) securing oil pump cover plate (13).
(8)
Remove oil pump assembly and o-ring (15).
(9)
Remove eight screws (16) from carrier assembly (17).
(10)
Remove carrier assembly (17) and bearing carrier gasket (18) and discard gasket.
(11)
Remove race (19) from crankshaft (9), while removing the crankshaft through rear of crankcase (10).
(12)
With crankshaft in suitable support, remove roller bearings (20) and (21).
(13)
Press bearing race (22) out of crankcase (10).
5-148
