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TM 5-2420-222-20-3
HYDRAULIC IMPACTOR FLOW REGULATOR - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
REMOVAL
WARNING
Do not attempt to disconnect hydraulic lines and fittings while engine is running or before
hydraulic system pressure has been released. When engine is running, hydraulic system is under
pressure. Hydraulic system pressure should be 0 psi (0 kPa) before lines are disconnected. A line
or fitting disconnected under pressure will blow off with a lot of force and could cause serious
injury to personnel.
Be careful when draining hot fluids. Wear gloves to protect your hands from hot parts and fluids
or severe burns could result.
1.
Elbow (1)
Hose (2)
a.
Place drain pan underneath to catch
draining fluid.
b.
Using 1 1/8-inch and 1 1/4-inch open-
end wrenches, unscrew and take off.
c.
Cap (page 2-137).
d.
Tag (page 2-137).
2.
Elbow (3)
Adapter (4) with
a.
Place drain pan underneath to catch
assembled flow
draining fluid.
regulator (5) and
b.
Note relative position of elbow (1)
elbow (1)
for proper placement during
installation.
c.
Using 1 1/4-inch open-end wrench,
unscrew and take out.
d.
Cap elbow (3) (page 2-137).
e.
Get rid of drained fluid (page 2-137).
DISASSEMBLY
3.
Flow regulator (5)
Elbow (1)
a.
Place flow regulator (5) in
machinist’s vise.
b.
Using 1 1/4-inch open-end wrench,
unscrew and take out.
4.
Adapter (4)
a.
Using two 1 1/4-inch open-end
wrenches, unscrew and take out.
b.
Take flow regulator (5) out of
machinist’s vise.
CLEANING
NOTE
For more information on how to clean parts, go to General Maintenance Instructions (page 2-137).
2-1238
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