TM 9-2320-302-34
0022 00-7
ENGINE RETARDER MAINTENANCE - CONTINUED
0022 00
ASSEMBLY - CONTINUED
NOTE
Ensure flat spring legs are centered around master piston boss.
6.
Install master piston (27), flat spring (26), washer (25), and screw (24) in engine retarder (6) housing. Tighten screw to
100 lb-in (11 Nm).
7.
Turn engine retarder (6) housing over.
8.
Install adjusting screw (23) and lock nut (22) in engine retarder (6) housing.
9.
Hold control valve (21) by stem and drop into engine retarder (6) housing. If binding occurs or if ball is stuck in control
valve, replace control valve.
10.
Install collar (20) in engine retarder (6) housing with long sleeve area up.
11.
Install spring (19) in center of collar (20). Install spring (18) over top of collar.
12.
Press washer (16) to compress springs (18 and 19). Install new retaining ring (17). Rotate retaining ring 90 degrees to
ensure proper seating in groove.
6
24
25
26
27
6
20
19
17
16
18
21
23
22
6