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Page Title:
Lift Chains and Pulleys (cont). |
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 TM 10-3930-638-24&P
2-56. HYDRAULIC LIFT SYSTEM MAINTENANCE (cont)
d. Lift Chains and Pulleys (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION/REPLACEMENT (cont)
14
Lift cylinder
a. Chain pulley (18)
Position
assembly
b. Lock washer (15) and
Position in un-
Lock washer (15) used on serial number
cap screw (14)
threaded center
9150572 and below. Torque cap screw
hole of pulley
(14) to 25-35 foot pounds (serial number
bar (16)
9150573 and above)
c. Washer (17)
Position on cap
screw (14)
d. Pulley bar (16)
Install; cap screw
(.14) through
.
chain pulley 18)
hub
e. Lock washer (15) and
Install
Lock washer (15) used on aerial number
cap screw ( 14)
9150572 and below. Torque cap screw
(14) to 25-35 foot pounds (serial number
9150573 and above)
f. Lift chain(21 )
Loop over chain
pulley; install
chain bolt in
inner mast rod
Install; tighten
g. Lift chain nuts (8)
until chain
deflects 1/2 inch
when depressed
in middle
h. Two washers ( 10)
Position on step bolt (9)
i. Hose pulley (11)
Position on step bolt (9)
j. Three washers (13)
Position on step bolt (9)
k. Step bolt (9)
Install in center threaded
hole of pulley bar (16)
1. Two hose assemblies
Loop over hose pulley
(7)
(11) and position near
tension tubes (2)
m. Two tension tubes (2)
Remove 1/4-20 nuts
n. Hose fittings (1)
Remove cap, connect to
tension tube and tighten
o.
One hose bumper (5)
Position on cap screw (4).
Hose separator (6)
Position on cap screw (4) Serial number 9150572 and below
p.
One hose bumper (5)
Position on cap screw (4)
q.
r.
Cap screw (4) and
Install with hose separator
nut (3)
(6) between two hose
assemblies (7)
NOTE
Repeat step 14 to install remaining chain and hose pulleys.
15
Operator's com-
Perform para 2-56 f(2), step 12
partment
C h a n g e 2 409
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