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Page Title:
BACKHOE SWING CYLINDER RELIEF VALVE REPLACEMENT |
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 TM
5-2420-224-34
BACKHOE
SWING
CYLINDER
RELIEF
VALVE
REPLACEMENT
This task covers:
a. Removal b. Installation
INITIAL SETUP
Applicable Configuration:
General Safety Instructions:
SEE
WARNING
Tools and Special Equipment:
. High pressure hydraulics [oil
Shop Equipment, SC 4910-95-CL-A31
u n d e r 2450 psi (16,893 kPa)
TOOI 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
Ring, Backup
pressure oil stream can
pierce body and cause
Packing
s e v e r e injury to personnel.
Rags
Appendix B, Item 40
. 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
TM 5-2420-224-20
Hvdraulic Pressure
Relieved
R E Mo V A L
NOTE
Procedure is the same for both
relief valves.
Have
suitable
container
available to catch hydraulic fluid
upon removal of relief valve.
1.
REMOVE relief VALVE (1) from swing cylinder
(2).
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