LeeBoy LB Performance CB95 - Page 93

SYMPTOM CAUSE REMEDY
Engine power output is low.
Operating engine at high altitude.
De-rate engine power output for altitudes above
10,000 feet.
Air intake piping restricted. Remove restrictions.
Air cleaner element(s) dirty. Clean or replace air cleaner element(s).
Fuel suction line or lter
restricted.
Check fuel line for restrictions.
Replace fuel lter element(s).
Fuel return system restricted. Correct restricted fuel return system.
Fuel quality poor. Verify by operating with a known fuel quality.
Fuel transfer pump
malfunctioning.
Replace fuel transfer pump.
Refer to Engine Operator’s Manual.
Throttle improperly adjusted. Adjust throttle controls.
Fuel injector malfunctioning.
Replace fuel injector.
Refer to Engine Operator’s Manual.
Broom doesn’t move with
engine running or moves in
one direction only.
Park brake engaged. Release park brake.
Broom rotation control valve is
bypassing oil at low pressure.
Repair or replace relief valve cartridge(s).
Damaged hydrostatic pump. Repair or replace hydrostatic pump.
Damaged hydrostatic motor. Repair or replace hydrostatic motor.
Broom stalls or lacks
power.
Brush drive relief valve set too
low or defective.
Adjust relief valve to 2500 PSI.
Replace if defective.
Sweeping with too much down
pressure.
See Brush Down Pressure Control on Page 4-14.
Ground speed too fast.
Pull back on joystick and increase engine RPMs
to increase brush speed.
Steering is difcult.
Low hydraulic uid level. Add hydraulic oil.
Hydraulic lters contain
contamination.
Check lters for contamination and clean or
replace.
Hydraulic pump priority relief
valve set incorrectly.
Check relief valve setting. It should be 1500 PSI.
Adjust setting if necessary.
Worn hydraulic pump. Repair or replace.
Worn steering orbital motor. Repair or replace.
Worn steering cylinder. Repair or replace.
Alternator not charging.
Loose wiring or fault connection. Repair 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. Replace alternator.
Circuit breaker tripped. Reset circuit breaker.
Instrument gauges don’t
work.
Faulty gauge or sender. Replace gauge or sender.
Alternator not charging. Repair wiring or replace alternator.
Faulty wiring. Replace wiring or connector.
55
Maintenance
LB Performance CB95 Broom 5-33