Maxus MX5222 Instructions D'utilisation page 17

Troubleshooting Guide
SYMPTOM
Oil leakage between the
engine and the pump
Fluctuating pressure
Pressure drops after period of
normal use
Pump noisy / pump runs
rough
Pressure washer will not spray
detergent
CAUSE
Worn oil seals and/or o-ring
1. Valve worn, dirty or stuck
2. Pump drawing in air
3. Tip clogged
1. Worn pump water seals
2. Nozzle worn
3. Valve worn, dirty or stuck
4. Unloader valve seat worn or dirty
5. Nozzle in low psi position
1. Pump drawing in air/low water supply 1. Ensure fittings are tight. Increase water pressure
2. Valves dirty or worn
3. Worn bearings
4. Water too hot
1. Not using soap tip
2. Clog, kink, or hole in detergent
suction hose
3. Hose length too long
4. Lance not functioning properly
SOLUTION
See service center or call customer service for
replacement kits.
1. Check and replace
2. Ensure hoses and fittings are tight. Purge air from
garden hose
3. Check or replace
1. Check and replace
2. Check and replace
3. Check, clean or replace
4. Check, clean or replace
5. Pull back nozzle to high pressure position
2. Check, clean or replace
3. Check and replace
4. Reduce temperature below 100° F
1. Install 65 degree (black) soap tip
2. If clean, unkink or replace hose.
3. Use only hose length provided with initial
purchase of pressure washer. Detergent suction
will not function if more than one section of hose
is attached to unit.
4. Remove lance from gun. If detergent is dispensed
through gun, the lance must be replaced. If no
detergent is dispensed through gun, remove
1 inch tapered detergent barb from pump. Clean
the barb, and make sure that ball and spring
are properly aligned with tapered portion of the
spring facing the ball. The ball should be on top of
the spring.
Model MX5222
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