DALBO POWERROLL 1430, Manual, Page: 21 / 34

POWERROLL
Side 21
Troubleshooting
Fault Cause Remedy
Mid-section apply-
ing too much pres-
sure •
Insufficient pres-
sure transferred to
side sections
•
Activate hydraulic control handle for
extend/retract to increase pressure
to side sections (see ” Operation ”).
•
Drawbar too high
•
Adjust drawbar and mid-section (see
” Adjusting drawbar height ” and
” Adjusting mid-section ”)
•
Mid-section not
horizontal
•
Adjust drawbar and mid-section (see
” Adjusting drawbar height ” and
” Adjusting mid-section ”)
Side section extrem-
ities applying too
much pressure
•
Insufficient pres-
sure
in mid-
section
•
Activate hydraulic control handle for
extend/retract to increase pressure
to mid-
section (see ” Operation ”).
•
Drawbar too low
•
Adjust drawbar and mid-section (see
” Adjusting drawbar height ” and
” Adjusting mid-section ”)
•
Mid-section not
horizontal
•
Adjust drawbar and mid-section (see
” Adjusting drawbar height ” and
” Adjusting mid-section ”)
Pressure on mano-
meter dropping •
Handle not in flow
setting
•
Adjust pressure on weight transfer
and set handle to flow setting (see
” Adjustment of hydraulic weight
transfer ”)
•
Driver-operated
non-return valve
defective
•
Cylinder
(gasket set) lea-
king
•
Set weight transfer to 60-100 bar
and set handle in flow setting. Leave
POWERROLL standing for 30 mins. If
pressure drops, the driver-operated
non-return valve is defective, or
there may be dirt in the valve (disas-
semble valve and clean parts or re-
place the valve)
Side sections not
following terrain •
Weight transfer
hydraulic system
not in flow setting
•
Set hydraulic weight transfer in flow
setting (see ” Adjustment of hydrau-
lic weight transfer ”)