Troubleshooting – Danuser 9000 Postmaster/SlabBlaster User Manual
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a) Flow control setting too low
Increase flow control setting.
b) Fittings or connections
Replace with proper fittings.
are too small or incompatible
c) Line restrictions
Clear lines.
d) Dirty oil or oil filter
Change oil and oil filter according to
vehicle manufacturer’s
recommendation.
e) Hydraulic pump worn
See your dealer for repairs.
or damaged
a) Flow control setting too high
Decrease flow control setting.
a) Fittings loose or damaged
Tighten or replace fittings.
b) Hoses loose or damaged
Tighten or replace hoses.
c) Hydraulic motor seals
See your dealer for repairs.
worn or damaged
d) Hydraulic cylinder seals
See your dealer for repairs.
worn or damaged
a) Low quantity of
Fill reservoir to proper level.
hydraulic oil
Increase reservoir storage capacity.
b) Improper oil
Replace with proper oil.
c) Dirty oil or oil filter
Change oil and oil filter according
to vehicle manufacturer’s
recommendation.
d) Fittings loose or damaged
Tighten or replace fittings.
e) Hoses loose or damaged
Tighten or replace hoses.
f) Improper hose size
Check hose diameter and length
requirements.
a) Hydraulic relief pressure
Adjust vehicle hydraulic relief
setting too high
pressure setting to within drive
unit specifications.
b) Hoses worn or damaged
Replace hoses.
c) Hose rating too low for
Replace with hoses with
hydraulic system pressure
working pressure rated higher
than vehicle hydraulic pressure.
d) Hoses pinched
Reroute hoses.
For additional assistance, please call your dealer or contact Danuser direct:
Phone: (573) 642-2246
Fax: (573) 642-2240
E-mail: [email protected]
PROBLEM POSSIBLE CAUSE
SOLUTION
Troubleshooting
Slow Speed
Fast Speed
Oil Over
Heating
Hydraulic
Hose Failure
Oil Leaks