TM 5-1730-245-14
5.9 HYDRAULIC RELIEF VALVES - REPLACE.
THIS TASK CONSISTS OF: a. Removal
b. Installation
INITIAL SETUP
Tools:
Equipment Condition:
Toolkit, General Mechanics (item 5, Section III, Appendix B)
Shop Equipment Automotive Maintenance and Repair:
Organizational Maintenance, Common No. 1, less power
General Safety Requirements:
Material/Parts Required
Preformed Packing, Hydraulic (O-rings),
WARNING
Do not use near heat or open flame.
Hydraulic oils are toxic and flammable.
Area should be well ventilated DO NOT SMOKE.
NOTE
The hydraulic control manifold need not be removed In order to remove or install
the hydraulic relief valves
1) Remove hydraulic relief valve body (1) from the hydraulic control manifold (4).
2) Remove preformed packings (2, 3) and discard.
Figure 5-6. Hydraulic Relief Valves.
b. Installation, Refer to figure 56.
1) Install preformed packings, hydraulic (O-rings) (2 and 3), to relief valve Apply a coating of hydraulic
fluid to the valve stem and threads.
2) Insert the valve (1) in the hydraulic control manifold (4) and torque to 12.0 ft. lb. (16.27 Nm).
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