16 ENGLISH
Cleaning the lter
Detach the water hose connector and remove dirt and
debris from the inside of the lter.
► Fig.34: 1. Water hose connector 2. Filter 3. Sealing
ring
When using the suction hose set (optional accessory),
take the lter out of the lter case and remove dirt and
debris.
► Fig.35: 1. Filter 2. Filter case
NOTE: To maintain the optimal performance, clean
the lter periodically.
Storage
Reel the hose and cord. Put the trigger gun and nozzles
in the pockets.
HP351
► Fig.36
HP401
► Fig.37
CAUTION: Always store in an indoor location
where the temperature does not go below freez-
ing. If the high pressure washer freezes and malfunc-
tions, contact your local service center for repairs.
CAUTION: Always use the carrying handle
when moving the high pressure washer. Do not
carry it by the hose or cord. The hose or cord may
be damaged.
CAUTION: Do not carry the high pressure
washer with the hose and/or cord unreeled. The
extended hose or cord may be damaged or entan-
gled with other objects, resulting in personal injury or
breakage.
To maintain product SAFETY and RELIABILITY,
repairs, any other maintenance or adjustment should
be performed by Makita Authorized or Factory Service
Centers, always using Makita replacement parts.
TROUBLESHOOTING
Before asking for repairs, conduct your own inspection
rst. If you nd a problem that is not explained in the
manual, do not attempt to dismantle the tool. Instead,
ask Dolmar Authorized Service Centers, always using
Dolmar replacement parts for repairs.
State of abnormality Probable cause (malfunction) Remedy
The washer does not start. No electricity Connect the plug to the mains. Also check if electric-
ity is being supplied to the mains.
The switch is not turned on. Turn on the switch.
Residual pressure in the pump Pull the trigger.
Damaged cord or electric circuit Contact an authorized service center for repairs.
No water jet / weak water jet No water supply Make sure that the faucet is open. If using the suc-
tion hose set, introduce water into the hose.
Poor water supply Turn on the faucet.
Poor water hose connection Check the connection between the water hose and
the faucet and inlet on the high pressure washer.
Clogged hose, lter, or nozzle Unclog the hose, lter, or nozzle.
Air is blocking the ow of water. Turn off the switch and then turn it on again while
squeezing the trigger.
Damaged or worn nozzle Replace the nozzle.
Pump or valve malfunction Contact an authorized service center for repairs.
Unstable water jet. Clogged nozzle Unclog on the ejection hole of the nozzle using the
cleaner pin.
Poor water suction Check the water hose starting from the faucet for
any leakage or clogs. Turn on the faucet.
The water is too hot. Supply cooler water.
Valve malfunction Contact an authorized service center for repairs.
Abnormal sound. The water is too hot. Supply cooler water.
Air is stuck in the pump. Contact an authorized service center for repairs.
Water/oil leakage. Poor connection Check the connection between the high pressure
hose and the trigger gun and high pressure washer.
Worn out sealings Contact an authorized service center for repairs.
The pump does not run even though
the motor sound is heard.
Unsuitable extension cord. Use an extension cord suitable for the rating of the
product.
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