CLEANING AND INSPECTION - TM-9-2320-312-24-10969

TM 9-2320-312-24-1

FIFTH WHEEL HYDRAULIC LIFT CYLINDER REPLACEMENT - CONTINUED

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CLEANING AND INSPECTION

WARNING

Dry cleaning solvent MIL-PRF-680 Type III is an environmentally compliant and low toxic material. How-

ever, it may be irritating to the eyes and skin. The use of protective gloves and goggles is suggested. Use in

well-ventilated areas. Keep away from open flames and other sources of ignition.

Use dry cleaning solvent to remove dirt, debris, and grease from all removed components and from cylinder attachment

points on vehicle. Ensure bearing surfaces on cylinder are clean and smooth. Dry with a clean rag.

Inspect bushing and two bushing retainers in cylinder base for looseness, wear, cracks or other damage. Replace cylin-

der if damaged.

Inspect bearing and two bearing retainers at small-stage end of cylinder for looseness, wear, cracks or other damage.

Replace cylinder if damaged.

Inspect pivot bar for damage. If damaged, replace bar.

Inspect cylinder grease fittings for damage. Replace if damaged.

INSTALLATION

WARNING

DO NOT work under fifth wheel frame sub-assembly unless supported by BOTH overhead lift and

wood block under cross bar. Failure to follow this warning may result in serious injury or death to per-

sonnel.

NOTE

Ensure new preformed packings, coated with hydraulic fluid, are used on hydraulic fittings prior to installa-

tion.

If installing a new cylinder, remove all shipping plugs from cylinder.

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