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 TM 5-2420-224-34
HYDRAULIC SUSPENSION LOCKOUT MOTOR AND PUMP REPAIR (CONT)
1.
REMOVE PLUG (1) and COMPLETELY DRAIN hydraulic OIL from oil pan (2) into suitable container.
2.
REMOVE screw (3), clamp (4), and oil PAN (2) from manifold (5).
REMOVE and DISCARD PACKING (6) from manifold (5).
3.
4.
REMOVE pressure SWITCH (7) from manifold (5).
5.
REMOVE and DISCARD PACKING (8) from pressure switch (7).
REMOVE VALVE (9) from manifold (5).
6.
7.
REMOVE and DISCARD PACKING (10) from valve (9).
NOTE
Filter may remain inside either hollow screw or manifold.
REMOVE and DISCARD hollow SCREW (11) from pressure relief valve (12).
8.
REMOVE and DISCARD pressure relief VALVE (12), two PACKINGS (13), and FILTER (14) from manifold (5).
9.
REMOVE return FILTER (15) and packing (16) from return tube (17). DISCARD PACKING.
10.
11.
REMOVE and DISCARD intake FILTER (18). intake PIPE (19). and PACKING (20) from threaded
bushing (21).
12.
REMOVE threaded BUSHING (21) and washer (22) from hydraulic suspension lockout pump (23).
NOTE
. If repairing hydraulic suspension lockout pump motor electrical plug, perform steps 13
thru 17.
. If replacing hydraulic suspension lockout pump motor, perform steps 18 and 19.
13.
REMOVE four screws (24) and four washers (25) and hydraulic suspension lockout PUMP (23).
14.
SLIDE union NUT (26) and washer (27) toward hydraulic suspension lockout pump motor (28).
15.
CAREFULLY ROLL GROMMET (29) from plug housing (30).
NOTE
Note wire location in relation to locator pin on plug housing to aid in assembly.
16.
REMOVE two electrical CONTACTS (31) from plug housing (30).
17.
REMOVE two electrical CONTACTS (31) from two electrical wires (32).
18.
REMOVE GROMMET (29), washer (27), and union nut (26) from cable assembly (33).
19.
REMOVE two capscrews (34), two lock washers (35), and hydraulic suspension lockout pump MOTOR
(28) from manifold (5). DISCARD lock WASHERS.
20.
REMOVE drive COUPLER (36) from manifold (5).
21.
REMOVE PLUG (37) and packing (38) from manifold (5). DISCARD PACKING.
20-11
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