Sparky Group BUR 15E: IX - Maintenance

8

BUR 15E • BUR 18EEN

Use: For:

the longer end in the clockwise direction. This will

Oil Steel

loosen the screw inside the chuck.

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Turpentine or paraffin Aluminium

1. Open chuck jaws fully.

Do not lubricate Brass, copper or cast iron

2. Insert a 5 mm hex key into front of chuck be

-

tween jaws to engage screw head. Remove

Drilling plastics and plastic coated chipboard

screw by turning clockwise.

▪ Use high speed drill bits

3. Place the hex key in chuck and tighten. Using

▪ See drilling wood below

a wooden mallet or similar object, strike key

sharply in the anti-clockwise direction. This will

Drilling masonry

loosen the chuck so that it can be unscrewed by

▪ For maximum performance use carbide-tipped

hand.

masonry impact bits when drilling holes in brick,

tile, concrete etc.

Chuck installation

▪ Turn the mode selector to hammer mode, then

1. Screw the chuck on by hand as far as it will go

rotate the torque collar to the drill position.

and insert screw (LH thread).

▪ Apply light pressure and medium speed for best

2. Tighten the chuck around the shorter end of hex

results in brick.

key (not supplied) strike the longer end in the

▪ Apply additional pressure and high speed for

clockwise direction with a wooden mallet.

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hard materials such as concrete.

3. Remove the hex key and open the jaws fully.

▪ When drilling holes in tile, practice on a scrap

Tighten the screw in the centre of the chuck

piece to determine the best speed and pres

-

firmly, with the hex key in an anti-clockwise di

-

sure.

rection.

Drilling wood

▪ For maximum performance, use high speed

IX - Maintenance

steel bits for wood drilling.

▪ Ensure that the mode selector is in normal drill

-

WARNING. Always ensure that the tool is

ing mode.

switched off before making any adjustments or

▪ Begin drilling at a very low speed to prevent the

maintenance procedures.

bit from slipping off the starting point. Increase

the speed as the drill bites into the material.

CLEANING

▪ When drilling through holes, place a block of

wood behind the work piece to prevent rag

-

▪ Keep the tool’s air vents unclogged and clean at

ged or splintered edges on the back side of the

all times.

hole.

▪ Remove dust and dirt regularly. Cleaning is best

done with a rag.

WARNING. Never attempt to lock the trigger

▪ Re-lubricate all moving parts at regular inter

-

switch in the on position, do not lock the trigger

vals.

on jobs where your hammer drill may need to be

stopped suddenly.

CAUTION! Do not use cleaning agents to clean

the plastic parts of the tool. A mild detergent on a

All drilling operations

damp cloth is recommended. Water must never

come into contact with the tool.

▪ Mark off the centre of the hole using a centre

punch or nail.

GENERAL INSPECTION

Regularly check that all the fixing screws are tight.

CHUCK REPLACEMENT

They may vibrate loose over time.

Chuck removal

Always wear eye protection.

Turn the torque adjustment collar/hammer selec

-

tion collar (2) to the “drill” position and low gear, on

the gear selector (13). Tighten the chuck around

the shorter end of a hex key (not supplied) of 5 mm

or greater size.

Using a wooden mallet or similar object, strike

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