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 TM 10-3930-638-24&P
2-56. HYDRAULIC LIFT SYSTEM MAINTENANCE (cont)
f. Hoses, Lines and Fittings (cont).
(3) Mast Assembly (cont).
ITEM
ACTION
REMARKS
LOCATION
STEP
INSTALLATION/REPLACEMENT (cont)
11 Mast assembly, a. Four fittings
Install
(3B)
outer mast
I n s t a l l and
b. Four nuts
tighten
(3A)
Connect and
c. Four hose
To fittings (3B); completes
tighten
i n s t a l l a t i o n of hose assem-
fittings
blies (5)
(3)
Position
On outer mast
d. Two tube
assemblies
(2E and 2D)
S e c u r e s tube assemblies (2E
Position,
e. Two clamps
install,
and 2D)
(2C), lock
and
washers (2B)
tighten
and cap
screws
(2A)
Connect and
To fittings (3B)
f . Four tube
tighten
fittings
(2)
Connect and
T o control valve hoses as
g. Four tube
tighten
i n d i c a t e d by tags applied
fittings
i n step la above
(1)
a . Start engine and operate at idle speed
12 Operator-s
w h i l e turning steering wheel to extreme
compartment t
right and left several times
b. Increase engine speed and operate control
valve levers (lift, rotate, shift, and
tilt control levers) several times
c . Operate engine at idle speed and check
f o r oil leaks at connections. Tighten
fittings if necessary
d . Turn engine off
e . Check hydraulic reservoir oil level; add
oil if necessary (refer to current lubri-
cation order)
f . Repeat steps a through e
2-440L Change 2
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