Nilfisk Alto Contractor Diesel 用户手册
14.0 Troubleshooting
EN
Fault
Cause
Repair
The engine fails to start
Insufficient diesel supply
Refill diesel tank.
Battery run down
Recharge the battery*)
Fuse blown
Exchange fuse. See section 3.0.
The pump is frozen
Let the pump thaw.
Working pressure too high
Nozzle partly blocked
Clean the nozzle. See section 12.6.
Working pressure
Valve for regulation of
Open fully the valve for regulation of
too low
water volume is not
water.
adjusted to max pressure
Turn counterclockwise.
Nozzle worn
Replace nozzle.
Motor speed too low
Contact ALTO service technician.
Irregular working
Air in the pump
Repeat the venting procedure.
pressure
Inlet filter/filter blocked
Clean the filter. See section 12.1.
Insufficient water supply
Change to a water supply with greater
from the water works
output. If this is not possible; turn the
valve for regulation of the water volume
clockwise, until the machine works smoothly.
valve for regulation of the water volume
clockwise, until the machine works smoothly.
In suction mode:
Excessive suction head
Read section on suction mode (8.4).
or excessively hot water
Nozzle partly blocked
Nozzle partly blocked
Clean nozzle. See section 12.6.
No working pressure
Nozzle blocked
Clean nozzle. See section 12.6.
No water
Check the water connection.
Unloader (recycling valve)
Allow the machine to thaw.
frozen
See section 10.0.
High pressure hose/
Allow the high pressure hose/
spray lance frozen
spray lance to thaw.
The burner does not
Insufficient fuel supply
Refuel.
ignite
Fuel filter blocked
Clean the filter. See section 12.4
Should faults occur other than those mentioned above, please contact the nearest ALTO service
organization *) IMPORTANT NOTE: To avoid damage to the electronic systems, the battery
connecting cables must be removed when recharging the battery.
organization *) IMPORTANT NOTE: To avoid damage to the electronic systems, the battery
connecting cables must be removed when recharging the battery.
15.0 Technical data
EN
Model
CONTRACTOR DIESEL
Pump pressure, max.
bar/psi
180/2610
Water volume at min/max pressure
l/min-USgpm
20,5/19 - 5.42/5
Max. temperature of inlet water
°C/°F
35/95
Heating power
kW/Kcal
115/98.200
Nozzle, spray angle
degrees
(05) 15/65
Self-priming, max. lift
m/ft
5/16.5
Engine
Ruggerini MD 151
Rated effect
kW/hp
12/16.3
Start system
Electric start
Battery
V/Ah
12/50
Diesel consumption, max. pressure
l/h-USgph
3.0-0.79
Fuel consumption at 60°C/140°F
1
)
l/h-USgph
7.5-1.98
“Jerry-can”, capacity
l/Usg
20/5
Sound power level (L
WA
) of the machine measured in accordance with ISO 3746: 112 dB(A).
Sound pressure level (L
PA
) measured in accordance with ISO 11202 [DISTANCE 1m] [FULL LOAD]: 100 dB(A).
1
) Delta t= 52°C/126°F
This machine has been manufactured in accordance with the EMC directive 89/336/EEC inclusive of subsequent
amendments.
Specifications are subject to alterations.
amendments.
Specifications are subject to alterations.