Troubleshooting - Hitachi AW130 Handling Instructions Manual

7. Service parts list
CAUTION
Repair, modifi cation and inspection of Hitachi Power Tools must be carried out by
a Hitachi Authorized Service Center.
This Parts List will be helpful if presented with the tool to the Hitachi Authorized
Service Center when requesting repair or other maintenance.
In the operation and maintenance of power tools, the safety regulations and
standards prescribed in each country must be observed.
MODIFICATIONS
Hitachi Power Tools are constantly being improved and modifi ed to incorporate the latest
technological advancements.
Accordingly, some parts may be changed without prior notice.

TROUBLESHOOTING

Use the inspections in the table below if the tool does not operate normally. If this does not
remedy the problem, consult your dealer or the Hitachi Authorized Service Center.
Symptom
The motor won't
operate when the
trigger is pulled.
The motor continues
operating when the
trigger is released.
Water is not being
discharged.
Possible cause
The power plug is not plugged
into the power socket.
The switch is set at "OFF"
The extension cord is unplugged
or severed midway.
The thermal protector has been
activated.
The water volume or pressure
from the faucet is too low.
Water is leaking.
The water hose is not
connected.
The water hose or high-pressure
hose is twisted.
The backfl ow valve on the one-
touch joint is not operating.
Plug the power cord into the power
socket.
Switch the washer on.
Replace the extension cord or check it
with a diff erent electrical appliance.
Remedy the problem in accordance
with the details listed in "Safety
Mechanisms" on page 37.
○ Open the faucet fully.
○ Unravel any twists in the water
hose and high-pressure hose.
○ Check to make sure that the inner
diameter of the water hose is
correct.
○ Check to make sure that the water
hose is not wound onto the reel.
Check the hose connections.
Connect the water hose.
Unravel the twists.
Check to make sure that the inner
diameter of the water hose is correct.
39
English
Remedy