TM 5-5420-234-14&P
This task covers:
a.
Removal
b. Installation
c.
Follow-on Maintenance
INITIAL SETUP
Tools and Special Tools:
Materials/Parts:
Pan, Drain, 4-Gallon (MIL-P-45189)
Lubricating Oil (Item 20, Appendix E)
Socket Set, 1/2-in. deep (GGG-W-641)
Gasket (Item 109, Appendix K)
Tool Kit, General Mechanic's: Automotive
Seal Kit (Item 45, Appendix K)
(SC 5180-95-CL-N26)
Wrench Set, Socket (51200017510)
Equipment Condition:
Wrench, Torque, 15-75 ft-lb (GGG-W-00686)
Wheels chocked (TM 9-2320-279-10)
Wrench, Torque, 0-300 in-lb (2163993)
Engine turned off (TM 9-2320-279-10)
a. Removal.
NOTE
Place drain pan under free flow valve to catch excess oil.
(1) Open hydraulic cabinet cover (1).
(2) Loosen screw (2) and remove connector (3) and gasket (4) from coil (5). Discard gasket.
NOTE
Note position of coil prior to removal to ensure proper installation.
(3) Remove nut (6) and coil (5) from free flow valve (7).
(4) Remove free flow valve (7) from main manifold block (8).
(5) Remove and discard two backup rings (9), O-ring (10) and o-ring (11) from free flow valve (7).
b. Installation.
NOTE
Coat O-rings with lubricating oil prior to installation
(1) Install new o-ring (11), O-ring (10) and two backup rings (9) on free flow valve (7).
(2) Install free flow valve (7) in manifold (8). Torque to 22 lb-ft (Nm).
