Troubleshooting - Landa ZG3-20321 Operator's Manual

ZG SERIES PRESSURE WASHER
12
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
Engine low or out of oil
Pump low or out of oil
Engine RPM
Pump over filled with oil
Not enough gas or engine oil
Vapor lock developed from 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
Excess water supply pressure
LANDA ZG • 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.
Check oil level.
Check oil level.
Adjust engine RPM.
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 locking.
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.