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TM 5-2420-222-20-3
LOADER CONTROL VALVE-TO-LOADER BOOM CYLINDER HEAD END OIL LINES - 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
Union (1)
Hose (2)
a
Place drain pan underneath.
b
Using 7/8-inch and 1-inch open-end
wrenches, unscrew and take out.
c
Tag (page 2-137).
2
Loader boom
Nut (4)
Using two 1-inch open-end wrenches,
cylinder (3)
loosen.
and union (1)
3
Loader boom
Union (1) with
a
Note relative position for proper
cylinder (3)
assembled parts
placement during installation.
b
Using 1-inch open-end wrench, un-
screw and take out.
c
Plug cylinder (3) (page 2-137).
4
Union (1)
Packing (5)
a
Using pocket knife, take out.
b
Get rid of.
NOTE
If removing loader control valve to left loader boom cylinder oil line, skip step 5.
5
Hoses (6 and 7)
Clamp (8)
a
Note relative position for proper
placement during installation.
b
Using 1/4-inch flat-tip screwdriver,
loosen and take off.
2-1680
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