
Assembly and Commissioning
18
12.03|SRU 20 - 60|en
Adjusting the center position (variant M)
Fig. 6
Adjusting the center position
1
Stop B
3
Interior
screw
5
Limiting sleeve
2
Stop A
4
Stop C
6
Stop D
1 Loosen the screw (3) with hexagon socket wrench (SRU 20-40:
4, SRU 50-60: 5) by approx. one turn.
2 Unscrew stops C (4) and D (6) as far as the limiting sleeve (5)
3 Apply air to the air connections marked C and D together
The unit swivels to approx. 90° and has approx. 6° play in
this position
4 Rotate the pinion clockwise and press it against stop C (4)
5 Turn stop C (4) until the desired centre position is reached
6 Turn stop D (6) until the pinion has no more play in centre po-
sition
7 Tighten the screw (3) securely again (SRU 20-40: 10Nm, SRU
50 – 60: 24 Nm)
8 Swivel the unit several times to check that the centre position
is correctly set
6.5