DALBO MAXIROLL 1030, Manual

Page: 19 / 42

MAXIROLL
Page 19
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 ” page 13.
•
Mid-section not
horizontal
•
Adjust drawbar and mid-section (see
” Adjusting drawbar height ” page 13.
Side section ex-
tremities 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 ” page 13.
•
Mid-section not
horizontal
•
Adjust drawbar and mid-section (see
” Adjusting drawbar height ” page 13.
Pressure on ma-
nometer 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) leaking
•
Set weight transfer to 15 bar, set
handle to flow setting. Leave MAXI-
ROLL standing for 30 mins. If pres-
sure drops, the driver-operated non-
return valve is defective, or there
may be dirt in the valve (disassem-
ble valve and clean parts)
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 ”)