TM 5-3805-281-24-2
Hydraulic System
1--Plug
9--O-Ring
14--Relief Valve
22--O-Ring
2--O-Ring
10--Plug
15--Plug (2 used)
23--Plug
3--Piston
11--Cap Screw (4 used)
16--O-Ring (2 used)
24--Arm Head End
33
4--Piston
12--Arm Head End
17--O-Ring (2 used)
Reduced Leakage
3360
5--O-Ring (3 used)
Reduced Leakage Pilot
18--O-Ring (2 used)
Check Valve Housing
109
6--Bushing
and Relief Valve
19--Cap Screw (8 used)
25--Adapter
7--Spool
Housing
20--Poppet
8--Spring
13--O-Ring
21--Spring
Arm Head End Reduced Leakage Pilot and Relief Valve Housing
4. Arm Head End Reduced Leakage Check Valve
Plug--Specification
and Relief Valve: Remove cap screws (19) and
remove arm head end reduced leakage check valve
Torque................................................................... 137 Nm (101 lb-ft)
housing (24) from adapter (25).
Install relief valve (14) and tighten.
Remove cap screws (19) and remove adapter (25)
from block.
Arm Head End Reduced Leakage Pilot and Relief Valve Housing
Plug--Specification
Remove cap screws (11). Remove arm head end
Torque....................................................................... 74 Nm (55 lb-ft)
reduced leakage pilot and relief valve housing (12)
from arm head end reduced leakage check valve
Install O-ring (22) onto plug (23).
housing (24).
Install poppet (20) and spring (21) into arm head end
Remove plug (23). Remove poppet (20) and spring
reduced leakage check valve housing (24).
(21) from arm head end reduced leakage check
valve housing (24).
Install plug (23) and tighten.
Remove relief valve (14) from arm head end
Arm Head End Reduced Leakage Check Valve Housing Plug--
reduced leakage pilot and relief valve housing (12).
Specification
Remove parts (1--4) and (5--10) from arm head
Torque................................................................... 390 Nm (288 lb-ft)
end reduced leakage pilot and relief valve housing.
Install arm head end reduced leakage pilot and relief
Inspect parts for wear or damage. Replace as
valve housing (12) in arm head end reduced leakage
necessary.
check valve housing (24).
Install parts (5--9).
Install cap screws (11) and tighten.
Arm Head End Reduced Leakage Pilot and Relief Valve
Install plug (10) and tighten.
Housing-to-Arm Head End Reduced Leakage Check Valve
Housing Cap Screw--Specification
Arm Head End Reduced Leakage Pilot and Relief Valve Housing
Plug--Specification
Torque......................................................................... 12 Nm (9 lb-ft)
Torque....................................................................... 74 Nm (55 lb-ft)
Install adapter (25) to valve block.
Install parts (2--4).
Install plug (1) and tighten.
Continued on next page
CED,OUOE026,13 1919JUN9811/21
19-140
