SCHUNK SRU-plus20-60, Assembly And Operating Manual

Page: 63 / 92

Maintenance
8.4 Inspect and set shock absorbers
8.4.1 Inspect shock absorbers
The shock absorbers are specially tested and can only be acquired
from SCHUNK. The shock absorbers have a limited lifespan,
depending on the load.
•
Regulary check that the shock absorbers are working.
✓
The shock absorber is working correctly if the product
moves softly into the end positions when set correctly and
the prescribed swiveling time is reached.
8.4.2 Set shock absorber overhang
For production reasons, shock absorbers may be of different sizes.
If a shock absorber is exchanged, the new shock absorber with
fitting disks must be set to the corresponding shock absorber
overhang (h).
1. First set the shock absorber overhang (h) of the shock absorber
(2) in the piston (1) with fitting disks (5)
}
8.4.3 [
/
63] .
2. After this, reduce the play of the shock absorber (2) to the
safety ring (3) with fitting disks (4).
✓
The shock absorber (2) must be fitted in the pistons (1) as
free from play as possible.
8.4.3 Shock absorber types and overlap
Type Basic Locked center position
Shock
absorber Shock
absorber
overhang
h [mm] Tolerance
[mm] Shock
absorber Shock
absorber
overhang
h [mm] Tolerance
[mm]
20 W FED 14 4.6
(without
spring) -0.2 --- --- ---
63 11.00 | SRU-plus 20 - 60 | Assembly and Operating Manual | en | 389443