Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 126
Hopper not lowering
Electrical control cabinet not closed
Hopper door not opening or closing
Check one-way restrictor valve on valve block
Pick-up unit does not rise
Check electric pilot check valve
Check hydraulic pressure
Cross brush/disc brush not turning
Check current regulator valve
Defective electrical controller in current regulator
valve
15.3 Water
system
Faults Causes/remedy
Water not supplied by water system
Water tank empty Display
Water
filter
dirty
Solenoid valves do not make contact
Water pump not operating
Spray nozzles blocked
Stopcock on water filter closed
Solenoid valve for water pump drive
is not switching.
High-pressure water pump:
Bad spraying performance, pressure
fluctuations, vibrations, pressure
loss, increased noise, water in oil
or gearbox, oil leakage, etc.
See the manufacturer's operating instructions.
15.4 Electrical
system
Faults Causes/remedy
Defective control functions
Check
fuses.
Check control panel.
Diesel engine speed adjustment
not functioning.
Check
fuses.
Defective electrical controller
Engine shuts down
Coolant too low. Display
Oil pressure too low Display
Hydraulic oil too low.
Control panel
Check fuse on control panel.
Check
fuses.