Multiquip Welder AR13HA Manual De Usuario
PAGE 44 — AR13HA-R RIDE-ON TANDEM DRUM ROLLER — OPERATION & PARTS MANUAL — REV. #9 (06/28/11)
AR13HA-R RIDE-ON ROLLER — TROUBLESHOOTING (ROLLER)
Table 6. Roller Troubleshooting
Symptom
Possible Problem
Solution
Low Vibration
Low engine RPM?
Check and adjust engine speed.
Low hydraulic pressure?
Check and adjust hydraulic pressure,
contaminant or defective relief valve.
contaminant or defective relief valve.
Vibrator shaft is binding
Remove motor from drum to determine
if binding is result of shaft or motor.
if binding is result of shaft or motor.
No Vibration
No voltage to 12 volt solenoid?
Check vibration switch, check coil for
continuity.
continuity.
No oil pressurel?
Check for proper oil pressure or
defective relief valve.
defective relief valve.
Broken motor coupler?
Replace coupler.
Slow Steering
Low hydraulic pressure?
Check pressure.
Steering column connector?
Inspect bearings and grease if
necessary.
necessary.
Defective steering cylinder?
Check seals, replace if necessary.
Steers Slow in One Direction
Defective Steering cylinder?
Inspect cylinder for contamination,
replace if necessary.
replace if necessary.
Slow Forward/Reverse Speed
Low hydraulic pressure?
Check pressure.
Rubber scrapper adjustment
incorrect?
incorrect?
Check for proper adjustment against
drum.
drum.
Rubber shock mount loose?
Inspect for broken mount, replace if
necessary.
necessary.
"Free wheel valve ""open""?"
Close valve.
Speed control cable out of
adjustment?
adjustment?
Inspect cable and adjust if necessary.
Main Hydraulic Pressure Low
Incorrect engine speed?
Adjust engine speed to correct speed.
Broken rubber shock mounts or drive
plate?
plate?
Inspect for cracks, replace if necessary.
Drive motor hardware not secure?
Check motor nut and key coupler
Relief valve
Check for contamination, replace.
Drive motor
Replace motor.
Broken motor shaft key or coupling
Replace motor shaft key or coupling.