TM 5-3805-281-24-2
Hydraulic System
1--Check Valve
12--Spacer
22--Cover
32--Plug (3 used)
2--Spring
13--Propel Flow Control
23--Cap Screw (8 used)
33--Cover
3--O-Ring (5 used)
Valve
24--Cap Screw (4 used)
34--Cap Screw (4 used)
33
4--Plug
14--O-Ring
25--Plug
35--O-Ring
3360
5--Check Valve (5 used)
15--Plug (4 used)
26--O-Ring (3 used)
36--O-Ring
113
6--Spring (4 used)
16--O-Ring (4 used)
27--Circuit Relief Valve (3
37--Circuit Relief Valve
7--Plug (3 used)
17--O-Ring (3 used)
used)
38--O-Ring (2 used)
8--Check Valve (2 used)
18--Plug (2 used)
28--Valve
39--Cover
9--Spring (2 used)
19--Flange
29--O-Ring
40--O-Ring (2 used)
10--O-Ring
20--Cap Screw (4 used)
30--O-Ring
11--Plug
21--O-Ring (2 used)
31--O-Ring
Remove power passage-to-arm I neutral passage
check valve and arm I lift check valve (8) and
Disassemble valves for cleaning and inspection
spring (9).
only. Valves are serviced as assemblies. Remove
auxiliary circuit relief and anti-cavitation valves (27)
Remove plug (4). Remove spring (2) and arm rod
end reduced leakage check valve (1).
valve from left control valve housing.
Remove lift propel neutral passage, boom II power
passage and swing lift check valves. Remove plug
valve (37) from left control valve housing.
(7), spring (6) and poppet (5).
Inspect valves for wear or damage. Replace as
Install check valves and tighten plugs.
necessary.
Check Valve Plug--Specification
Install valves in housing and tighten.
Torque................................................................... 245 Nm (181 lb-ft)
Circuit Relief and Anti-Cavitation Valves-to-Housing--
Specification
Install flange (19) and cap screws (20).
Torque....................................................................... 73 Nm (54 lb-ft)
Flange Cap Screw--Specification
6. Rear Pump Control Valve (28): Disassemble valve
Torque....................................................................... 57 Nm (42 lb-ft)
for cleaning and inspection only. Valve is serviced
as an assembly.
Install cover (39) and cap screws (24).
Rear Pump Control Valve-to-Housing--Specification
Cover Cap Screw--Specification
Torque....................................................................... 73 Nm (54 lb-ft)
Torque....................................................................... 57 Nm (42 lb-ft)
7. Check Valves: Remove cap screws (24). Remove
8. Propel Flow Control Valve (13): Disassemble
cover (39). Remove spacer (12), spring (6) and
valve for cleaning and inspection only. Valve is
auxiliary power passage lift check valve (5).
serviced as an assembly.
Remove cap screws (20). Remove flange (19).
Continued on next page
CED,OUOE026,13 1919JUN9814/21
19-143