TM 5-1940-322-24
0134 00
SCOOP HYDRAULIC CONTROL VALVE, CONTROL VALVE HOSES,
CONTROL LINKAGE, AND MAIN FRAME BRACKETS MAINTENANCE (Contd)
CONTROL VALVE LINKAGE INSTALLATION
NOTE
Apply sealing compound (243) to all locknuts prior to installation.
1.
Install main pivot shaft (8) on main frame bracket (5) with washer (2) and new locknut (1). Tighten
locknut (1) to 58 lb-ft (79 Nm).
2.
Install control link (13) on main link (12) as noted at removal with washer (16), screw (17),
washer (15), and new locknut (14).
3.
If main pivot shaft bushings (9) removed, install two new bushings (9) on main link (12).
4.
Install main link (12) on main pivot shaft (8) with thick washer (10) and new locknut (11).
5.
If pivot bushings (23) removed, install two new pivot bushings (23) on control link (24).
6.
Install control link (24) on main link pivot pin (18) as noted at removal with washer (21) and new
locknut (22).
7.
Install clevis (25) between control link (24) and selector valve plunger (19) with two
washers (3), screws (4), washers (27), and new locknuts (26).
CONTROL VALVE INSTALLATION
If not installed, install control valve assembly (38) on main frame bracket (5) with two screws (20),
washers (6), and new locknuts (7).
MAIN FRAME BRACKET INSTALLATION
1.
Install main frame bracket (5) with control valve assembly (38) on three fiber washers (30) and
studs (31) of hydrojet housing (35) with two washers (29) and new locknuts (28). Do not tighten
locknuts (28).
2.
Install one end of control link (13) to scoop hydraulic cylinder (32) with washer (36), screw (37),
washer (33), and new locknut (34).
3.
Install lever stop bracket (52) with shift clevis (50) on stud (31) of hydrojet housing (35) and main
frame bracket (5) with screw (54), two washers (53), and new locknuts (55) and (57). Tighten
locknuts (28), (55), and (57) on screw (54) and studs (31).
4.
Connect shift clevis (50) to control link (24) with pin (49) and new cotter pin (56).
CONTROL VALVE HOSES INSTALLATION
1.
Connect one end of hose (42) to hydrojet oil cooler as noted at removal.
2.
Connect one end of hose (45) to hydraulic pump as noted at removal.
3.
Connect one end of hoses (39) and (43) to scoop hydraulic cylinder (32) as noted at removal.
4.
Connect hose tube elbows (40), (41), and (44) to three adapters (47) and hose tube elbow (46) to
adapter (48) as noted at removal.
5.
Fill scoop hydraulic reservoir with hydraulic oil (WP 0012 00).
6.
Start engine, engage transmission forward at idle rpm, operate scoop controls, and check for oil leaks
and operation of reverse deflector (TM 5-1940-322-10).
7.
Install aft cockpit (WP 0016 00).
8.
Close hydrojet hatches (TM 5-1940-322-10).
0134 00-6
