User Manual

4 Malfunctions – Maintenance

753 Suppressor Module / 8.753.1003 Instructions for Use

• By rotating the suppressor block or with the aid of a mirror

check the position of the suppressor rotor according to Fig.

10: at least one of the three holes of the suppressor rotor

must be partly or completely visible through the opening at

the bottom of the suppressor block.

• Repeat the procedure 2-3 times; wait at least 10 s each time

before the <STEP> key is operated.

• If the rotor stops in an unacceptable position then the braking

range must be readjusted (continue with point 3).

Adjust braking range

• Rotate adjustment screw 1818 a little in each direction accord-

ing to Fig. 10 so that the rotor position lies in the acceptable

range.

• Operate key 88 <STEP>.

• Check the position of the rotor in all of the 3 possible posi-

tions according to Fig. 10.

• Repeat the adjustment procedure until the position of the

rotor lies in the acceptable range in all of the 3 possible posi-

tions. Wait at least 10 s each time before operating key 88

<STEP>.

optimalzulässig zulässigunzulässig unzulässig

Fig. 10: Adjusting the braking range

not acceptablenot acceptable acceptableacceptable optimum