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SIX MONTHLY SERVICE OR AT LEAST EVERY 400 – 500 HRS OF OPERATION
• Change pump oil of high pressure pump.
• Clean out water filter if fitted.
• Carry out functional test of the by-pass valve / pressure regulating block.
• Re-adjust, or replace seal kit if necessary.
• Replace high pressure nozzle if it show signs of damage or washed out aperture.
• Replace nozzle protection cap, if necessary.
• Replace O-rings of trigger / spray lance couplings.
• Check flexi-coupling for damage or wear.
• Check pistol and replace seal kit, when necessary.
• Inspect chemical supply hose strainer and clean if necessary.
• Check pump seals and replace in the event of decreasing operating pressure.
• Check valve seats and replace valve assemblies, as required.
• Clean machine and secondary equipment.
Please note, the service life of pump seals, by-pass valve seal as well as suction and
pressure valves is dependent on the water quality and the type of chemicals used.
(Mineral content, impurities and water hardness)
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