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TM 9-2320-312-24-1
FIFTH WHEEL HYDRAULIC LIFT CYLINDER REPLACEMENT
THIS WORK PACKAGE COVERS
Removal, Cleaning and Inspection, Installation
INITIAL SETUP
Maintenance Level
Materials/Parts - Continued
Direct Support
Grease, GAA (Item 30, WP 0165 00)
MAC Reference
Rag, wiping (Item 51, WP 0165 00)
Group 160
Tag, marker (Item 58, WP 0165 00)
RPSTL Reference
Nut, lock (P/N 21NE083)
Group 160, Figure 6
Washer, lock (P/N CW423560) (4)
Tools and Special Tools
References
Tool kit, general mechanic's (Item 35, WP 0166 00)
TM 9-2320-312-10
Shop equipment, field maintenance (Item 27, WP
Suitable overhead lifting devices with chains
Personnel Required
4 X 8 wood block, 4 ft (122 cm) long
Three
Materials/Parts
Equipment Condition
Cap set, protective (Item 6, WP 0165 00)
Cleaning compound, solvent, Type III (Item 10, WP
Vehicle on level ground
Wheels blocked
Fluid, hydraulic, petroleum base (Item 25 or 26,
Rear platform grating removed (WP 0039 00)
WARNING
DO NOT disconnect or remove any hydraulic system line or fitting unless hydraulic system pressure has been
relieved. Tighten all connections before applying pressure. Escaping hydraulic fluid under pressure can pene-
trate the skin, causing serious injury.
Search for leaks with a piece of cardboard. Protect hands and body from high-pressure fluids. If an accident
occurs, see a doctor immediately. Any fluid injected into the skin must be surgically removed within a few
hours or gangrene may result.
At operating temperature, hydraulic oil is hot. Allow hydraulic oil to cool before disconnecting any hydraulic
lines. Failure to do so could result in injury.
Hydraulic fluid is very slippery. Immediately wipe up any spills. Failure to follow this warning may result in
injury to personnel.
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