Disassembly. - TM-5-2410-233-340103

CAUTION

Valve body (5) and spool (16) are

machined to close tolerances. To avoid

distortion of spool (16), leave spool in

valve b o d y w h e n l o o s e n i n g o r

tightening bolt (9).

(7) Remove bolts and lockwashers (18) and

Flat on valve spool

Blade tilt control valve

cover (17).

Lever

(8) Remove sleeve (19), spring (21), and pilot

Bolts

valve (22). Remove shims (20) from between

Baffle tube

spring (21) and sleeve (19). Be sure to install same

b. Disassembly.

number of shims (20) as were removed. The total

(1) Remove bolts and lockwashers (9, fig. 4-

thickness of shims determines the pressure at which

17) securing housing (12) to valve body (5).

the relief valve opens (1,975 25 psi).

inch - 16

(2) Remove plug (1) with a

(9) Dump valve (26), spring (25) and seat

(NC) eyebolt.

(23) are retained in control valve body (5) by

(3) Remove spring (3) and check valve (4).

friction of O-ring (24). To remove, insert a -inch

(4) The check valve (4) must slide freely in its

diameter rod 10-inches long into check valve bore

bore in valve body (5). Inspect chamfered seating

until it contacts dump valve (26). Push against

surface of check valve (4) and mating seat (6) in

dump valve, compressing spring (25), until dump

valve body for nicks or burrs.

valve contacts seat (23). While holding dump valve

(5) Inspect O-ring (2) and replace if necessary.

firmly against seat, tap against rod, forcing seat,

(6) Remove bolt and lockwasher (10), washer

spring and dump valve out of control valve body.

(11), spacer (13), spring (14) and spacer (15) from

spool (16).

4-25