Maxus MX5333 Operating Instructions And Parts Manua page 17

Troubleshooting Guide
syMPtOM
Engine will not start or is hard
to start
Engine misses or lacks power
Pump noisy / pump runs
rough
Pressure washer will not spray
detergent
CAuse
1. No gasoline in fuel tank or carburetor
2. Low oil
3. Start/Stop switch in stop position
4. Water in gasoline or old fuel
5. Dirty air cleaner filter
6. Spark plug dirty, wrong gap or wrong
type
7. Spray gun closed
8. Other causes
1. Partially plugged air cleaner filter
2. Spark plug dirty, wrong gap or wrong
type
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
Models MX5223, MX5333 and MX5433
sOlutIOn
1. Fill the tank with gasoline,open fuel shut off valve.
Check fuel line and carburetor
2. Check oil level. Fill if necessary
3. Move switch to start position
4. Drain fuel tank and carburetor. Use new fuel and
dry spark plug
5. Remove and clean or replace
6. Clean, adjust the gap, or replace
7. Trigger spray gun
8. See engine owner's manual
1. Remove and clean or replace
2. Clean, adjust the gap, or replace
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.
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