Section 5 - Troubleshooting
76
SCHWARZE SUPER UPDRAFT
revised 04/19
8.5 Gutter Broom
Broom Disc Spins too Slow
Engine RPM too low
Raise power level to appropriate
setting
Fluid viscosity is too high for
Replace with lighter weight oil
operating temperature
Outside temperature low
Run fan longer before using gutter
broom to warm up hydraulic oil
Broom hydraulic motor is bad
Rebuild or replace motor
Broom Hits Frame
Inner broom cylinder stroke is
Screw rod end on cylinder to
too short
lengthen stroke
Spring tension too light
Adjust spring tension
Debris Trails Between
Improper broom head adjustment
Adjust broom head tilt
Broom Disc and Side of
Broom bristles worn
Replace Bristles
Sweeping Head
Broom Disc Stalls in Heavy
Pressure to broom motor too low
Adjust relief pressure
Debris
Motor or pump seal leaking
Seek service
Too much down pressure
Adjust
Broom Flings Debris
Broom disc tilt angle adjusted
Adjust broom disc tilt angle
Back Into Gutter
too flat
5.4 Gutter Brooms
Broom Flings Debris
Tilt angle of broom head too great
Adjust broom head
Across Street
Bro
om Spins But Will
The inside of the cylinder’s hydraulic
Clear blockage
Not Extend/Retract
hose or fitting is blocked
Directional valve malfunctioning
Check directional valve. Replace
if needed.
Broom Operates But
Switch or directional valve wire
Check wiring
Will Not Lift
loose or bad connection
Block solenoid valve
Replace valve
Leaking cylinder seals (fluid loss
Replace seals
out of port)
Mechanical bind
Check broom hardware for binds
Broom Spins But Will
Solenoid valve’s electrical circuit
Complete circuit
Not Lower
incomplete
Bad solenoid valve cartridge
Replace cartridge
Mechanical bind
Check broom hardware for binds
Broom Raises But Leaks
Solenoid valve stuck open
Clean valve or replace
Down Immediately
Leaking cylinder seals (fluid loss out
Replace seals
of port vent)
Broom Operates But Disc
Bad broom motor
Service or replace motor
Summary of Contents for Schwarze SUPERVA C SUPER UPDRAFT
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