Landa ZG3-20321, Operator'S Manual

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