TM 9-2320-269-20-2
MODROCK VALVE - TO. RETURN LINE HOSE ASSEMBLY - CONTINUED
INITIAL SETUP - Continued
Materials/Parts - Continued
Personnel Required
Tape, teflon (item 32, appendix C)
One
ACTION
LOCATION
ITEM
REMARKS
REMOVAL
WARNING
Avoid contact with hydraulic fluid. Hydraulic fluid, if splashed on skin or in eyes, can cause
irritation.
1.
Access cover (1)
Two wing nuts (2)
Unscrew, and take off.
2.
Derrick mast (3)
Access cover (1)
Take off.
3
Elbow (4)
Modrock valve-to-
a.
Position pail to catch hydraulic fluid.
return line hose
b.
Using 7/8-inch wrench, unscrew and
assembly (5)
take off.
c.
Dispose of drained fluid.
4.
Service tee (6)
Modrock valve-to-
a. Using 7/8-inch wrench, unscrew
return line hose
and take off.
assembly (5)
b. Pull out of truck.
CLEANING
WARNING
Solvent burns easily. Solvent fumes can explode. Do not smoke or allow open flame
nearby when using solvent. Failure to observe these precautions could cause serious
injury or death.
NOTE
For more information on how to clean parts, go to General Maintenance Instructions
(page 2-142).
5.
All metal parts
a. Clean in drycleaning solvent.
b.
Wipe dry with clean, dry rags.
2-1140
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