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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
INSPECTION (cont)
Inspect
Replace if cracked, split, or
H o s e assemblies
6
f i t t i n g threads damaged
(5, 8, 13, 22,
3 3 , and 36)
T u b e assemblies
Inspect
Replace if cracked, kinked,
7
dented, twisted, or fitting
(2D, 2E, 27,
30, 42, and
threads damaged
4 5 ) and ten-
s i o n tubes
(16)
Hose springs (15) Inspect
R e p l a c e if cracked or damaged
8
o r evidence of permanent set
is obvious
INSTALLATION/REPLACEMENT
NOTE
R e m o v e plugs/caps from tube and hose assemblies and cylinders as
connection are made.
Position
a. Four fittings
9
Carriage
assembly
(49)
Secure fittings (49)
b . Four nuts (48)
Install
Position
c . Four elbow
fittings
(47)
S e c u r e elbow fittings (47)
d . Four nuts (46)
Install
e . Tube assembly
Position
(45)
C o m p l e t e s installation of tube
f. Tube fittings Connect and
tighten
a s s e m b l y (45)
(44 and 43)
g . Tube assembly Position
(42)
C o m p l e t e s installation of tube
h . Tube fittings Connect and
tighten
a s s e m b l y (42)
(41 and 40)
i. Two 90 degree I n s t a l l
fittings
(39)
Change 2 2440I
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