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SHD-R 3000
English
5.956-486 A2005937 (06/03)
F3
F. Troubleshooting
1. Fault-finding
Problem Component Possible cause Remedy By whom?
Knocking
noise
V-belt V-belt has snapped Replace V-belt (see Maintenance
Tasks)
Operator
Detergent
metering on
suction side of
pump
(Accessory
kit)
Pump is taking in air –
–
Fill up with cleaning liquid.
Check hoses to establish
whether they are taking in air
Operator
Cleaning
liquid
Cleaning liquid is too
warm
Check supply temperature of
cleaning liquid
Operator
High-pressure
pump
Broken valve spring Replace valve springs Operator
High-pressure
pump
Flange has come loose Tighten flange (see Maintenance
Tasks)
Operator
Pulsation
damper
(Accessory
kit)
Defective pulsation
damper
Replace pulsation damper. Customer
service
Leaking
pressure
switch
Pressure
switch
(Accessory
kit)
Defective seal Replace seal. Customer
service
Leaking
pump
High-pressure
switch
Too much free play in
piston seal
Tighten piston seal (see
Maintenance Tasks)
Operator
System
does not
switch off
although
handgun
is closed
Pressure
switch/Volume
control valve
(Accessory
kit)
Wrongly adjusted
pressure switch or
volume control valve
Re-adjust pressure switch and
volume control valve.
Customer
service
Float tank
overflows
Float tank
(Accessory
kit)
Wrongly adjusted
closing force or
maximum filling level
Re-adjust closing force and filling
level, see Chapter G1: Float
tank.
Operator
Defective seal on float
valve
Replace seal. Operator
Float tank
(Accessory
kit)