SYMPTOM CAUSE REMEDY
Alternator not charging.
Loose wiring or fault connection. Tighten or replace loose wiring or connector.
Diode at alternator loose or
faulty.
Tighten connection or replace diode.
Alternator belt loose or broken. Adjust or replace belt.
Alternator malfunctioning. Rebuild or replace alternator.
Instrument gauges don’t
work.
No voltage to control panel. Check circuit breakers and reset if needed.
Faulty wiring. Replace wiring or connector.
Hydraulic system
overheats.
Low hydraulic oil level. Rell with hydraulic uid.
Defective temperature gauge or
sender giving wrong temperature
reading.
Replace gauge or sender.
Primary relief valve set too low or
defective.
Adjust relief valve to 5800 PSI. Replace if
defective.
Excessive ambient air
temperature and high-duty cycle.
Operate broom at slower ground speed and
maximum engine RPMs during hot weather.
Plugged ns on uid cooler.
Clean ns and correct any other problems with
cooling air ow.
Worn hydrostatic pump. Repair or replace.
Coolant temperature above
normal.
Radiator ns damaged or
obstructed by debris.
Inspect radiator ns. Clean, repair or replace.
Collapsed or restricted radiator
hose.
Inspect hoses. Replace if needed.
Loose fan drive belt.
Check belt tension and tighten or replace as
needed.
Cooling fan shroud damaged or
missing.
Inspect shroud. Repair or replace.
Incorrect or malfunctioning
radiator cap.
Check radiator cap and replace if needed.
Temperature gauge or sender
malfunctioning.
Repair or replace.
Thermostat stuck in closed
position.
Test thermostat. Replace if necessary.
Dirt, scale or rust in the cooling
system.
Clean cooling system.
Loose wiring, faulty connection. Repair or replace loose wiring or connectors.
Coolant level too low. Add coolant.
Park brake light comes on
when traveling.
Hydraulic pressure has dropped
to 300 PSI or less.
Check hydrostatic travel system charge pressure.
5
Maintenance
Rosco CSV Variable Width Chip Spreader 5-31
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