909 DH1500 Manuale di istruzioni - Pagina 9

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Operation

Always use the auxiliary handle

(4) and firmly hold the tool by

both auxiliary handle and switch

handle during operations. Turn

the tool on and apply slight

pressure on the tool so that the

tool will not bounce around,

uncontrolled. Pressing very hard

on the tool will not increase the

efficiency.

Maintenance

•

The grease in the gearbox

will require replenishment

after approximately 50 hours

accumulated use. After this

time add approximately 30

grams of grease into the

gearbox. First remove the

gear box cover plate (3)

and washer from the tool

by removing the 4 retaining

screws using an allen key

then remove the metal cover

and washer. Add the grease

through this hole. Ensure the

washer and gear box cover

plate are put back into position

and secured with the 4 allen

key screws prior to operation.

•

After each use, blow air

through the tool housing to

ensure it is free from all dust

particles that may build up.

Build up of dust particles may

cause the tool to overheat

and fail.

•

If the enclosure of the tool requires cleaning do not use

solvents but a moist soft cloth only. Never let any liquid

get inside the tool. Never immerse any part of the tool

into a liquid.

•

When the carbon brushes wear out the tool will spark

and/or stop. The brushes are a wearing component of the

tool and should be replaced prior to the carbon wearing

out fully. Brushes will wear out after many uses but before

they do take the tool to an authorised service agent for

quick and low cost replacement. Always replace both

brushes at the same time.

Note:

909 will not be responsible for any damage or injuries

caused by the repair of the tool by an unauthorised person

or by mishandling of the tool.

Cleaning

1. Keep your machine and its cord clean. The outside of the

machine can be cleaned using a damp soft cloth with a

mild detergent if required.

2. Some maintenance products and solvents may damage

the plastic parts; these include products containing

benzene, trichloroethylene, chloride and ammonia.

3. Excessive sparking generally indicates the presence of

dirt in the motor or abnormal wear on the carbon brushes.

4. Take special care to keep the ventilation inlets/outlets free

from obstruction; cleaning with a soft brush will usually be

sufficient to ensure acceptable internal cleanliness.

5. Wear eye protection when carrying out cleaning.

CAUTION.

Do not use cleaning agents to clean the plastic

parts of the drill.

Power cord maintenance

If the supply cord needs replacing, the task must be carried

out by the manufacturer, the manufacturer's agent, or an

authorised service centre in order to avoid a safety hazard.