8-10
Rosco Maximizer 3B Asphalt Distributor
Troubleshooting
Table 8-7. Tank Valves
SYMPTOM
CAUSE
REMEDY
Tank valves are difficult to
operate
Insufficient valve lubrication
Lubricate valves
Cold asphalt material clogging
valves
Apply heat to valves with portable torch to
restore operation.
NOTE: Do not heat air actuators or air lines
Low air pressure or no air pressure Increase truck air pressure to 90 - 110 PSI.
Check for broken hoses.
90 degree vane air actuators are
stuck
Check air actuators. They may not be getting
lubricated or may be getting dirty air.
Defective solenoid valve
Replace valve. Contact a factory representative
for help, if necessary.
Tank valves are stuck
closed
No air pressure on lift side (bottom)
of spray valve air cylinder
Check air solenoid valve operation. Check for
kinked or blocked air hoses.
Tank valve stem packing nut too
tight
Loosen stem nut slightly
Table 8-8.
General Machine
SYMPTOM
CAUSE
REMEDY
No GPM readout on display,
or inconsistent readout
Sensor not adjusted properly
Contact a factory representative for instructions
on adjusting the sensor
Faulty wiring or sensor
Check wiring and sensor. Replace if
necessary.
No ground speed reading
on display
No power to GPS or Radar Horn
Check fuses, circuit breakers and wiring.
Replace, reset or repair as needed.
Vehicle not moving
Vehicle must be moving to show ground speed
reading
Lost contact with satellites for GPS Move to area having contact with GPS
satellites.
Obstruction blocking Radar Horn
signal from reaching the ground
Clear the obstruction blocking the radar horn
signal.
Faulty GPS or Radar Horn
Replace GPS or Radar Horn
Machine vibrates
PTO drive shaft u-joints worn
Replace u-joints
PTO drive shaft out of balance
Have drive shaft balanced by qualified repair
shop
Drive shaft not phased correctly
Have drive shaft phased with both yoke ends
parallel to each other. Just on spline off creates
vibration.
Output shaft of the PTO and input
shaft of the hydraulic pump are out
of parallel by more than 8 degrees
Check for worn/loose pump mounts. Realign
pump input shaft with PTO output shaft to be
parallel.
Hydraulic pump mounting bolts or
bracket bolts loose
Tighten bolts
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Содержание Maximizer 3B
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Страница 20: ...NOTES 2 8 Safety Rosco Maximizer 3B Asphalt Distributor Return to Last Viewed Return to Thumb Index ...
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Страница 138: ...NOTES Rosco Maximizer 3B Asphalt Distributor 8 12 Troubleshooting Return to Last Viewed Return to Thumb Index ...
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