Landa ZC3-15321 Manual Del Operador página 13

ZC SERIES PRESSURE WASHER
PROBLEM
PRESENCE OF WATER
IN PUMP OIL
ENGINE STRAINS
UNDER LOAD
OIL SQUIRTS OUT OF
OIL CAP ON PUMP
ENGINE OPERATES
FOR 15 MINUTES
THEN STOPS
WATER DRIPPING
FROM UNDER PUMP
OIL DRIPPING
EXCESSIVE VIBRATION
IN DELIVERY LINE
WATER LEAKING
FROM PUMP
PROTECTOR
TROUBLESHOOTING
POSSIBLE CAUSE
Water sprayed at machine
High humidity in air
Piston packing worn. Oil seal worn
Engine governor misadjusted
Incorrect spray nozzle
Obstruction in spray nozzle
Misadjusted unloader valve
Engine low or out of oil
Pump low or out of oil
Obstruction in hose, fitting
Pump overfilled with oil
Not enough gas or engine oil
Vapor lock developed by heat of day
Obstruction in fuel filter
Piston packing worn
O-ring plunger retainer worn
Cracked piston
Oil seal worn
Irregular functioning of the valves
Spray gun closed with machine
running 5 minutes or longer
Excessive water supply pressure
LANDA ZC • REV. 5/02
OPERATOR'S MANUAL
SOLUTION
Change oil. Direct spray away from machine.
Check and change oil twice as often.
Check and replace if necessary.
Readjust governor on engine. Take to local
engine representative for adjustment.
Install proper nozzle size (See serial plate for
proper size.)
Remove obstruction.
Call Landa technical support.
Check oil level.
Check oil level.
Clean or replace hose, fitting.
Maintain oil level at red dot on sight glass at
rear of pump or at top of notch on dipstick
(where applicable)
Fill tank with gas. Check oil level.
Keep gas tank full to avoid vapor lock.
Clean or replace fuel filter.
Check and replace if necessary.
Check and replace if necessary.
Check and replace if necessary.
Check and replace if necessary.
Check and replace if necessary.
Open spray gun or turn off machine.
Place a pressure regulator at end of 50'
garden hose.
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