ROHM RPP / RPP-A 2-jaw parallel gripper - Manual (Page 33)

Maintenance, Repair of the Parallel Grippers
2-jaw parallel grippers
ID 1104573 Operating Manual RPP; RPP-A
Röhm GmbH, Dillingen Works Röhmstr. 6, 89407 Dillingen/Donau, GERMANY, Tel. (49)9071/508-0
Page 33 of 37
Dismantling and assembly of a gripper:
Caution: Be sure to observe the safety precautions.
1) Disconnect the pressure lines
2) Loosen the bolts and remove the lower cover (item 5).
3) Unscrew the bolts and remove the upper cover (item 6).
4) Loosen the bolt (item 8) and remove the piston disc (item 4).
(Item 8 is secured with Loctite)
5) Press the wedge piston (item 3) up out of the gripper body (item 1).
6) Pull the base jaws (item 2) out of the gripper body (item 1).
7) Remove all gaskets
8) Clean all parts thoroughly and inspect the parts for wear
or defects.
9) Renew all gaskets
The gripper is reassembled in the reverse order.
Pay attention to the correct numbering and position of the components. Unless otherwise prescribed, all bolts
must be secured with Loctite 222 and tightened to a torque as specified in the DIN standard (see point II/7).
Type GA or GI with gripping force lock:
Caution! Particular dangers exist here! Be sure to pay attention to the assembly drawing!
Gripper body, spring housing, piston disc and piston may be under spring pressure. The spring load on
the piston disc (GA type) or spring housing (GI type) must be countered by appropriate means.