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Problem
The hydraulic
system does not
engage.
Problem
No hydraulic
pressure
Problem
The pump is
leaking oil
Possible cause(s)
There is a red emergency
button pressed in.
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Low air pressure
Engine runs at more than
900 RPM.
Electrical fault
Possible cause(s)
The pump is not engaged.
Hydraulic pressure needs
adjustment.
Possible cause(s)
Hydraulic connections are
loose.
The pump is damaged.
Expert(t) 2000
Maintenance Manual
Solution(s)
Check all red emergency
buttons and pull out
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TOP
the one that has been
pressed in.
Make sure the air pressure
is above 90 PSI.
Lower the engine RPM to
less than 900 RPM. If you
can't accomplish such
task, contact your local
chassis dealer.
Check fuses on the
console and the main
fuses on the batteries.
Solution(s)
Turn on the pump switch.
Perform the hydraulic
pressure adjustment
procedure.
Solution(s)
Check and tighten all
hydraulic connections.
Change the hydraulic
pump.
139
TM
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