TM 9-2320-272-24-2
3-390. SNUBBER VALVE ASSEMBLY REPLACEMENT
THIS TASK COVERS:
b. Installation
a. Removal
INITIAL SETUP:
EQUIPMENT CONDITION
APPLICABLE MODELS
l Boom in down position (TM 9-2320-272-10).
M936/A1/A2
l Shipper braces in travel position
(TM 9-2320-272-10).
TOOLS
Ganeral mechanic's tool kit (Appendix E, Item 1)
GENERAL SAFETY INSTRUCTIONS
Snubber valve must be removed as an assembly.
REFERENCES (TM)
Do not disassemble.
LO 9-2320-272-12
TM 9-2320-272-10
TM 9-2320-272-24P
WARNING
Replace snubber valve and lift cylinder adapter cap as an
assembly. Do not disconnect adapter cap from snubber valve. Valve
and cap are locked against spring tension. Improper removal of
valve from adapter cap may cause injury to personnel.
CAUTION
When disconnecting hydraulic hoses and lines, plug all openings to
prevent dirt from entering and causing internal parts damage.
NOTE
l Tag all hoses and lines for installation.
l Have drainage container ready to catch oil.
a. Removal
1.
Disconnect hose (1) from snubber valve (2).
2.
Remove snubber valve (2) from lift cylinder fitting (3) and install plug (4) to prevent excessive oil
loss.
CAUTION
Ensure no particles of plugging become trapped in crane
l
hydraulic system during installation of hoses or tubes. Failure
to do so may result in damage to equipment.
l Ensure plug is removed from lift cylinder fitting before
installation.
NOTE
l Do not twist hose or attempt to install hose with one wrench.
l Hose fitting ends connected by a single hexagonal nut cannot be
installed until the hexagonal nut end is connected at the
opposite end. The entire hose must be free to turn whenever
installing hose connected by a single hexagonal nut.
1.
Remove plug (4) from lift cylinder fitting (3) and install snubber valve (2).
2.
Connect hose (1) to snubber valve (2).
3-958
