Manual McCulloch ESR1750-14 (page 9 of 15) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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ENGLISH - 6

The chain brake can be activated in two modes: the

first using the left wrist by pushing forwards, or when

it comes into contact with the brake system as a result

of kickback; or by inertia, in the case of particularly

violent kickback.

When the machine is used with the bar in horizontal

position, for example during tree felling, the chain

brake offers less protection, because it can be

activated by inertia only, since the user’s hand is

outside the range of action of the front hand guard

(fig.3).

N.B.: When the chain brake is activated, a safety

switch cuts off all current to the motor.

CHAIN CATCHER

This machine is equipped with a chain catcher (fig.4)

located under the pinion. This mechanism is

designed to arrest the backward chain movement in

the case of chain breaking or derailing. These

situations can be avoided by ensuring correct chain

tension (Refer to chapter “D. Assembly/disassembly”).

REAR HAND GUARD

This acts to protect(fig.5) the hand in the case of

chain breaking or derailing.

D. ASSEMBLY / DISASSEMBLY

2,3,6,7,8,9,12

BAR AND CHAIN ASSEMBLY

Assembly methods change according to the type of your machine- so please take care to refer to the illustrations

and machine type marked on the label (A- Legend – 9 [ES15 / ES16 / ES18] ), Take great care when

assembling to ensure this is performed correctly.

FOR ES 15 / ES 16 FOR ES 18

1. Control that the chain brake is not activated. If so, deactivate it.

2a. Unscrew the bar retaining nuts and remove

the chain cover.

2b. Unscrew the bar retaining knob and remove the

chain cover.

3a. Mount the bar on the bar retaining screws

pushing it as far backward towards the pinion

as possible.

3b. Mount the bar on the bar retaining screw pushing

it as far backward towards the pinion as possible.

4. Oil the chain, then position it over the pinion, making it slide into the bar guide groove, beginning with

the upper part. Attention! Control that the sharp side of the cutting teeth face in a frontward direction on

the upper part of the bar; Set the chain tensioner pin in the chain tensioner pin housing. Mount the chain

cover making sure that the drive teeth of the chain are engaged in the pinion and in the guide groove.

5a. Close the bar retaining nuts, screwing by

hand.

5b. Screw the bar retaining knob loosely tightened.

6a. To spread the chain screw the chain

tensioner screws in a clockwise direction, to

loosen tension, screw in an anti-clockwise

direction (when performing this operation

maintain the bar nose raised upwards)

6b. To spread the chain screw the chain tensioner

knob in a clockwise direction, to loosen tension, screw

in an anti-clockwise direction (when performing this

operation maintain the bar nose raised upwards)

7 Spread the chain until the tension is correct; that is, when the chain is pulled upwards, the drive tooth

rise to the same level as the bar. (the chain must never droop on the underside of the bar)

8a. Tighten the bar retaining nuts using an

appropriate tool.

8b. Tighten the bar retaining knob strongly.

Tensioning the chain too tightly will overload the motor and cause damage, insufficient tension can provoke

chain derailing, whereas a chain tightened correctly provides the best cutting characteristics and prolonged work

life. Check the tension regularly because the chain length tends to stretch with use (especially when the chain is

new; after the first assembly, the chain tension must be controlled after 5 minutes machine operation); in any

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McCulloch ESR1750-14 Manual

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