C-110-170-200E R11 Page 14
The High Pressure Cleaner does not suck
chemicals
The chemical container is empty.
• The High Pressure Cleaner has not been set to low-
pressure (on the double barrel lance cock).
• The low-pressure nozzle is clogged, or partly
clogged.
• The non-return valve of the chemical injector is
stuck.
• Ensure the chemical container contains sufficient
fluid for proper suction.
• Set the spray-lance to low pressure by turning the
cock on the lance counter-clockwise.
• Clean or replace the low-pressure nozzle.
• Clean, correct or replace the non-return valve of the
chemical injector.
For any further inconveniences, not mentioned in this user guide or any
damages of the machine, we strongly suggest you to make contact with your
dealer for the repair or possible replacement of any original spare-parts.
Service instructions
Detach the high pressure hose, dump back hose, inlet hose, safety valve, and parts on the
pump head before serving the pump.
(Please refer to Pump assembly (Page 18) unless otherwise stated.)
Servicing the valves:
1. Remove the valve cap (Pos: 2).
2. Inspect the valve cap O-Ring (Pos: 1) for any damage, replace if necessary.
3. Use the needle nose pliers to remove the valve (Pos: 3).
4. Use a small probe to move the poppet up and down to assure that the valve is
functioning properly and that no debris is stuck in the valve (Pos: 3).
5. To reassemble the valves proceed the other way round and tighten the cover screws
with a torque wrench. (Referring to torque specification)
Servicing the Packing/Seals:
1. Remove the bolts (Pos: 38) on the head (Pos: 36) of the pump.
2. Place the screwdrivers between the head (Pos: 36) and crankcase (Pos: 9) of the pump,
lifting one up and the other down. The head should start to lift off of the plungers (Pos:
23).
NOTE
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