6 Maintenance
See the pictorial quick reference guide - maintenance.
To ensure a long and problem free working life of the high pressure washer, please take the
following advices:
• Wash out water hose, high pressure hose, spray lance and accessory before mounting
• Clean the connectors of dust and sand
• Rinse the detergent bottle and the detergent nozzle
• Clean the nozzle
• Keep the water inlet fi lter clean and unclogged
Cleaning of the water inlet fi lter
D1 Clean the water inlet fi lter regularly once a month or more frequently according to use.
Carefully loosen the fi lter with a screwdriver and clean it. Check that it is intact before remount-
ing it.
Cleaning of nozzle
A clogging up in the nozzle causes a pump pressure which is too high, why cleaning is re-
quired immediately.
IMPORTANT!
The nozzle cleaning tool (12) should only be used when the nozzle is detached and the ma-
chine is stopped!
D2 Stop the machine and disconnect the nozzle. Clean the nozzle.
D3 Flush the nozzle backwards with water.
Cleaning of machine vents
D4 The machine should be kept clean so as to let cooling air pass freely through the ma-
chine vents.
Greasing of O-rings
D5 To ensure an easy connection and that O-rings do not dry up the couplings should be
greased regularly.
7 Troubleshooting
To avoid unnecessary disappointments, you should check the following before contacting the Nilfi sk service
organization.
D
Symptom Cause Recommended action
Machine refuses to
star
Machine not plugged in
Defective socket
Fuse has blown
Defective extension cable
Plug in machine
Try another socket.
Replace fuse. Switch off other machines.
Try without the extension cable.
Fluctuating pressure Pump sucking
Valves dirty, worn out or stuck
Pump seals worn out
Check that hoses and connections are air-
tight.
Clean and replace or refer to local Nilfi sk-
distributor.
Clean and replace or refer to local Nilfi sk-
distributor.
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