Maintenance
09.00 | PWG-plus | Assembly and operating manual | en | 389495
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7.5.3 Variant of "Force amplification cylinder" (KVZ) without
maintenance of gripping force
Assembly is done in the opposite order of disassembly
"Force amplification cylinder" (KVZ) without maintenance of
gripping force
7.5.4 Variant of "Force amplification cylinder" with maintenance of
gripping force "O.D. gripping" (AS-KVZ)
Assembly is done in the opposite order of disassembly.
Assembly of the compression spring is done as for
maintenance of gripping force "O.D. gripping"
41] and using the
devices described there.
7.5.5 Tightening torque for screws
Position of the item numbers:
Tightening torque for screws [Nm]
Item
PWG-plus
50
64
80
100
125
160
200
240
21
0.4
0.8
2
2
4
7.5
7.5
10
39
1.2
5.1
5.1
10*
17.4*
42.2*
75*
75*
40
1.2
5.9
10
10
24
48
75
75
41
1.3
1.3
3
3
6
6
6
6
45
2.1
10
10
17
41
48
116
116
46
1.3
1.3
3
3
6
6
25
50
66
2.1
10
10
10
24
48
75
116
* Screw must be treated with Loctite Activator No. 7649 in
addition to the prescribed tightening torque and glued in place
with Loctite Adhesive No. 243.