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TM 9-2320-285-24-1
2-78. FIFTH WHEEL HYDRAULIC SYSTEM MAINTENANCE (CONT)
c. Hydraulic Reservoir (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
SERVICING (cont)
2
Cab
a. Key switch
Turn on
Start engine
interior
b. Power take-off
Engage
c. Fifth wheel
Operate
Alternately raise and lower
boom
to purge air from hydraulic
system; then lower fully
d. Power take-off
Disengage
e. Key switch
Turn off
Push engine stop button to
shut down engine
3
Left hand
a. Bleed valve
Close
frame rail
b. Filler cap (1)
Remove
c. Hydraulic
Fill, if
To level of screen using
reservoir (9)
necessary
clean hydraulic oil
d. Filler cap (1)
Install
REMOVAL
4
Left hand
a. Hydraulic oil
Drain
Steps 1a thru 1d above
frame rail
b. Hydraulic hoses
Disconnect
From hydraulic filters and
bleed valve; para 2-78b(2)
c. Hydraulic fil-
Remove
ter elements
and suction
line filter
head
d. Bleed valve,
Remove
From hydraulic reservoir (9);
pipes, and
fittings
e. Six screws (3)
Remove
f. Filler (4) and
Remove
Discard gasket (5)
gasket (5)
g. Four lock nuts
Remove
(6), washers
(7), and
capscrews (8)
h. Hydraulic
Remove
reservoir
(9), rubber
pads (10),
and spacers
(11)
2-896
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