Maintenance
7 - 4
Bleeding Air From Acrobat HPU
1) Fill hydraulic reservoir according to procedure "Check
Hydraulic Fluid" in the Maintenance section of the manual.
2) Connect the quick disconnects together at the end of the
hoses.
3) Move the pressure selector control (
A
) to fusing pressure.
4) Set the fusing pressure reducing knob (
B
) to max setting by
turning the knob clockwise.
5) Turn the Acrobat HPU on (
C
) and move the carriage directional
control (
D
) to the open position. Allow fluid to circulate for 30
seconds.
6) Shift the carriage directional control (
D
) to the close position
and circulate fluid for 30 seconds.
7) Reduce the fusing pressure completely by turning the knob
(
B
) counter-clockwise. Ensure zero pressure is shown on the
carriage pressure gauge (
E
).
8) Turn the Acrobat HPU off (
C
).
9) Refill the hydraulic reservoir according to procedure "Check
Hydraulic Fluid" in the Maintenance section of the manual.
10) Disconnect the quick disconnects at the end of the hoses.
11) Turn the Acrobat HPU on (
C
).
12) Move the carriage directional control (
D
) to the close position
and set the fusing pressure between 30 and 40 PSI.
13) Attach a separate bleeder hose to the DataLogger Port (
F
)
on the HPU. Allow fluid to trickle out until all signs of air are
removed. Remove the bleeder hose from the DataLogger Port (
F
).
14) Increase/decrease pressure with the fusing pressure reducing
knob (
B
) from 0-800 PSI for 10 cycles.
15) Turn the HPU off (
C
) and refill the hydraulic reservoir
according to procedure "Check Hydraulic Fluid" in the
Maintenance section of the manual.
TX05041-01-25-17
FUSES
MOTOR
POWER
SUPPLY
CD018
92
-12
-0
7-16
CD019
41-0
2-
07
-17
F
E
A
D
C
B
Summary of Contents for A714201
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