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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).
STEP
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION/REPLACEMENT (cont)
11 Mast assembly, a. Four fittings Install
outer mast
(3B)
b. Four nuts
Install and
(3A)
tighten
c. Four hose
Connect and
To fittings (3B); completes
f i t t i n gs
tighten
installation of hose assem-
(3)
b l i e s ( 5)
d. Two tube
P o s i t i on
On outer mast
assemblies
(2E and 2D)
e. Two clamps
P o s i t i o n ,
Secures tube assemblies (2E
(2C), lock
i n s t a l l ,
and 2D)
washers (2B)
and
and cap
tighten
screws
(2A)
f. Four tube
Connect and
To fittings (3B)
f i t t i n gs
tighten
( 2 )
g. Four tube
Connect and
To control valve hoses as
f i t t i n gs
tighten
indicated by tags applied
(1)
in step la above
12 Operator-s
a. Start engine and operate at idle speed
compartment t
while turning steering wheel to extreme
right and left several times
b. Increase engine speed and operate control
v a l v e l e v e r s ( l i f t , r o t a t e , s h i f t , a nd
tilt control levers) several times
c. Operate engine at idle speed and check
for oil leaks at connections. Tighten
f i t t i n g s i f n e c e s s a ry
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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