SCHUNK PHL 25, Assembly And Operating Manual

Page: 30 / 36

Maintenance
30
07.00 | PHL | Assembly and Operating Manual | en | 389508
6.4.2 Variant with gripping force maintenance
Position of the item numbers Assembly drawing [
}
32]
WARNING
Risk of injury due to unexpected movements!
If the power supply is switched on or residual energy remains in
the system, components can move unexpectedly and cause
serious injuries.
•
Before starting any work on the product: Switch off the power
supply and secure against restarting.
•
Make sure, that no residual energy remains in the system.
WARNING
Risk of injury due to spring forces!
The cover is under spring tension.
•
Carefully disassemble the product.
Ø
Remove all compressed air lines.
Ø
Mark the position of the covers in order to avoid any inter-
changing.
Ø
Remove locking screws or rather air connection from the main
connection B (on both sides).
Ø
Mount a supply air throttle on the main connection side A and
let the gripper move slowly into the end position.
WARNING
Risk of injury due to spring forces!
The cover may be ejected due to high spring forces.
•
Strictly observe the following instructions.
Ø
Preload the spring assembly via the opening of the main con-
nection B by using a cylinder head screw (see tab.) until no
more residual energy remains on the cover (2x).
Ø
Remove the compressed air hoses from main connection side A.
Ø
Carefully remove the cover screws (122).
Ø
Remove cover (12) and centering sleeve (112) on both sides.
CAUTION
Damage of the gripper if the cylinder running surface is
damaged due to the spring assembly.
•
Carefully remove spring assemblies.