TM 5-4310-386-14
6-13. Compressor Crankshaft Assembly.
This task covers:
a.
Replace
b.
Repair
INITIAL SETUP
Tools
Equipment Condition (Cont)
General Mechanic's Tool Kit
Compressor COG belt guard and belt removed
(NSN 5180-00-177-7033)
(para. 4-25).
Tension pulley assembly, driving gear and eccentric
Materials/Parts
shaft driving gear removed (para. 5-25).
1st stage cylinder and piston removed (para. 6-7).
Crankshaft, Compressor
2nd stage cylinder and piston removed (para. 6-8).
Detergent, Nonionic (Item 8, Appendix E)
3rd stage cylinder and piston removed (para. 6-9).
Distilled Water (Item 9, Appendix E)
4th stage cylinder and piston removed (para. 6-10).
Equipment Condition
References
Compressor unit shut down (para. 2-13).
Refer to Appendix F for torque values.
Flywheel/fanwheel assembly removed (para. 4-22).
Cleaning Procedures, Chapter 4, Section VII.
Compressor front cover assembly removed (para. 6-12).
a. Replace. (figure 6-12)
WARNING
Cleanliness is imperative in maintaining and handling diving system components. All tools and
parts must be kept free of oil, grease, rust, or other contamination in accordance with Chapter 4,
Section VII of this manual. Foreign substances within an assembly could result in equipment
failure and possible injury or death to personnel.
(1)
Remove four bolts (1) and remove cover (2), gasket (3), seal (4), and roller bearing (5).
(2)
Remove ball bearings (6) and (7).
(3)
Remove nut (8), lockwasher (9), and bolt (10) and remove counterweight (11) from crankshaft (12).
(4)
Remove connecting rods (13), (14), (15), and (16) from crankshaft (12), while removing crankshaft from
upper crankcase (17).
6-32
