5-38. Rocker Arms and Push Rods.

Figure 5-56. Rocker Arms and Push Rods, Replace

TM-5-4310-386-14 Compressor Reciprocating Air: Electric Motor Driven & CFM 175 PSI C & H Model 20-918 Manual
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TM 5-4310-386-14 5-38. Rocker Arms and Push Rods. This task covers: Replace INITIAL SETUP Tools Equipment Condition General Mechanic's Tool Kit Compressor unit shut down (para. 2-13). (NSN 5180-00-177-7033) Rocker covers removed (para. 4-52). Materials/Parts Reference Rocker Arm and Push Rod Refer to Appendix F for torque values. Replace. (figure 5-56) NOTE There are four rocker arms and four push rods. Replacement of each rocker arm and push rod is the same. (1) Remove three nuts (1) and remove rocker arm bracket (2). (2) Remove pushrod (3) from housing'(4). (3) Remove nut (5), lockwasher (6), washer (7), rocker arm (8), spacer (9), and stud (10) from rocker arm bracket (2). (4) Remove nut (11), adjusting screw (12) from rocker arm (8). (5) Remove nut (13) and oil metering screw (14) from rocker arm (8). (6) Remove thrust pad (15) from rocker arm (8). (7) Remove bushing (16) from rocker arm (8). (8) Inspect thrust pad (15) and bushing (16) for wear. (9) Inspect push rod (3) ends for wear, oil hole is open and rods are straight. (10) Install bushing (16) into rocker arm (8) ensuring the lubricating holes in the bushing are lined up with grooves in rocker arm. 5-158

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