Bosch GOL Professional 20 D User Manual download pdf (Page 11)

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Bosch Power Tools 1 619 929 L41 | (18.6.12)

After aligning and focussing the measuring tool, read the

heights at both levelling rods. Calculate the difference d be-

tween the height a

of levelling rod A and the height b

of lev-

elling rod B.

Example:

=1.937m

=1.689m

– b

=1.937m–1.689m =0.248m=d

Set up the measuring tool approx. 1 m away from levelling rod

A. After aligning and focussing the measuring tool, read the

height a

at levelling rod A.

Subtract the previously calculated value d from the measured

height a

in order to receive the set value for the height b

levelling rod B.

Measure height b

at levelling rod B. When the measured val-

ue deviates by more than 6 mm (GOL 20 D/G), 3 mm

(GOL 26 D/G) or 2 mm (GOL 32 D/G) from the calculated set

value, the crosshair must be readjusted.

Example:

=1.724m

d =0.248m

– d = 1.724 m – 0.248 m = 1.476 m

GOL 20 D/G: When measuring, height b

must be 1.476 m

± 6 mm.

GOL 26 D/G: When measuring, height b

must be 1.476 m

± 3 mm.

GOL 32 D/G: When measuring, height b

must be 1.476 m

± 2 mm.

Readjusting the Crosshair

Unscrew the eyepiece cover 4. Using the adjusting pin 18,

turn adjusting screw 5 clockwise or anticlockwise, until the

calculated set value for height b

is reached when measuring

on levelling rod B.

Screw on eyepiece cover 4 again.

Example:

When measuring b

, the value 1.476 m must be set.

Check the crosshair again. If required, repeat the procedure

or refer to an authorised Bosch after-sales service.

Maintenance and Service

Maintenance and Cleaning

Store and transport the measuring tool only in the supplied

case.

Keep the measuring tool clean at all times.

Do not immerse the measuring tool in water or other fluids.

Wipe off debris using a moist and soft cloth. Do not use any

cleaning agents or solvents.

Handle the lenses with particular attention. Remove dust only

with a soft brush. Do not touch the lenses with your fingers.

Before storing, allow the measuring tool and the case to dry

completely. A bag of silica gel dryer for the removal of residual

moisture is included in the case. Renew the bag of silica gel

dryer regularly.

If the measuring tool should fail despite the care taken in man-

ufacturing and testing procedures, repair should be carried

out by an authorised after-sales service centre for Bosch pow-

er tools. Do not open the measuring tool yourself.

In all correspondence and spare parts orders, please always

include the 10-digit article number given on the type plate of

the measuring tool.

For repairs, only send in the measuring tool in the case.

After-sales Service and Customer Assistance

Our after-sales service responds to your questions concern-

ing maintenance and repair of your product as well as spare

parts. Exploded views and information on spare parts can al-

so be found under:

www.bosch-pt.com

Our customer service representatives can answer your ques-

tions concerning possible applications and adjustment of

products and accessories.

Great Britain

Robert Bosch Ltd. (B.S.C.)

P.O. Box 98

Broadwater Park

North Orbital Road

Denham

Uxbridge

UB 9 5HJ

Tel. Service: +44 (0844) 736 0109

Fax: +44 (0844) 736 0146

E-Mail: [email protected]

Ireland

Origo Ltd.

Unit 23 Magna Drive

Magna Business Park

City West

Dublin 24

Tel. Service: +353 (01) 4 66 67 00

Fax: +353 (01) 4 66 68 88

1 m

– d = b

18 5

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Bosch GOL Professional 20 D User Manual Page 11

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