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TM 5-2420-222-20-3
MANIFOLD BLOCK-TO-BOOM JAW CONTROL OIL TUBES (SERIAL NUMBERS 319995 THRU 342573 ONLY)
--CONTINUED
ACTION
LOCATION
ITEM
REMARKS
REMOVAL - CONTINUED
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.
4.
Tube (1)
Hose (2)
a.
Place drain pan underneath.
b.
Using 3/4-inch and 7/8-inch open-end
wrenches, unscrew and take off.
c.
Tag (page 2-137).
d.
Plug (page 2-137).
5.
Tube (1) and
Band (4)
a.
Using diagonal-cutting pliers, cut
hose (3)
off.
b.
Get rid of.
6.
Tube (1)
Hose (5)
a.
Place drain pan underneath.
b.
Using 7/8-inch open-end wrench,
unscrew and take off.
c.
Tag (page 2-137).
d.
Plug (page 2-137).
e.
Get rid of drained fluid (page 2-137).
7.
Tube (1) and
Jamnut (7)
Using 1 1/8-inch open-end wrench,
boom (6)
unscrew and take out.
8.
Boom (6)
Tube (1)
a.
Take out.
b.
Tag (page 2-137).
CLEANING
NOTE
For more information on how to clean parts, go to General Maintenance Instructions (page 2-137).
2-1528
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