CRANE VALVE BANK RELIEF VALVE REPLACEMENT

5-2420-224-34

CRANE

VALVE

BANK

RELIEF

VALVE

REPLACEMENT

This task covers:

a. Removal b. Installation

INITIAL

SETUP

Applicable Configuration:

General Safety Instructions:

HMMH

WARNING

Tools and Special Equipment:

High pressure hydraulics [oil

Shop Equipment, SC 4910-95-CL-A31

under 2450 psi (16,893 kPa)]

TOOl Kit, SC 5180-90-CL-N26

operate this equipment.

Never disconnect any

Materials/Parts:

hydraulic line or fitting

Packing

without first dropping

pressure to zero. A high

Packing

pressure oil stream can

pierce body and cause

Packing

s e v e r e injury to personnel.

Appendix B, Item 40

Rags

Fuel and oil are slippery and

References:

can cause falls. To avoid

injury, wipe up spilled fuel or

TM 5-2420-224-20

oil with rags.

Equipment Condition:

Reference

Condition Description

Hydraulic Pressure

TM 5-2420-224-20

Relieved

NOTE

Have large capacity container available to catch hydraulic fluid.

REMOVE crane valve bank relief VALVE (1) from crane valve bank (2).

REMOVE three PACKINGS (3, 4, and 5) from crane valve bank relief valve (1). DISCARD PACKINGS.

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