RB48 BROOM
5.5
ROSCO - A LeeBoy Company
Troubleshooting
Problem Cause
Solution
Low hydraulic fluid level
Defective optional hydraulic fluid
temperature gauge or sender giving
wrong temperature reading
Brush Drive relief valve set too low
or defective
Excessive ambient air temperature
and high duty cycle
Plugged fins on fluid cooler
Hydrostatic pump bypass valve
defective or open.
Worn hydrostatic pump
Electrical power not being
supplied to gauge
Incorrect oil level
Oil filter plugged
Oil diluted with fuel
Oil diluted with coolant
Incorrect oil specifications
Oil pressure sender or gauge
malfunctioning
Coolant level too low
Fill with correct fluid to visible in sight
gauge
Replace gauge or sender
Adjust relief valve to 3000 psi or
replace if defective. See Maintenance
Section.
Operate unit at slower ground speed
and maximum engine RPM during hot
weather
Clean fins and correct any other
problems with cooling air flow.
Repair or replace. If valve is open, turn
valve clockwise until seated and torque
to 7 to 10 ft-lbs (9.5 to 14 Nm).
Overtorquing will damage Valve.
Repair or replace.
Check fuse.
Check for oil leaks. Add or drain
engine oil. Check dipstick calibration.
Change full flow oil filter
Check/Replace injector, fuel transfer
pump and/or injection pump
See authorized Engine repair facility
Change oil and check oil specifications.
See Maintenance Section and Engine
Manual
Replace oil pressure sender or gauge.
Add coolant
Hydraulic System Overheats
(Temperature above 200°F)
Engine Oil Pressure Low
To Next Page
Loading...