12 6 BC 71 en
8.2 Actuators B1C 9-32
Spare part set category 1: Recommended soft parts for inspection and maintenance (to be replaced always after disassembling the actuator)
Spare part category 2: Leverage repair
Spare part category 3: Complete overhaul (for complete overhaul parts of all 3 categories are needed)
26
33
31
44
42
28
19
8
24
18
9
19
16, 16A
6
42
35
22
10
5
29
1
34
27
7
47
61
62
7
61
62
32
41
30
58
61
62
41
3
23
25
17
2
7
32
48
32
39
17
25
23
21
20
4
37
36
B1C
B1C 9 – 25
4, 20, 21
B1CM 25 – 32
B1CM 9 – 20
3A
31
33A
4A
4A
B1CU_/_A
Parts for Arctic temperature design
model B1C_/_A.
Special items with circled numbers.
B1CU_/_A
Arctic design special items: 16, 18, 24, 38,
59 and 60.(*
Item Qty Description
16 1 Lip-seal
18 2 Lip-seal
24 1 Piston ring
38 1 O-ring
59 1 Retainer ring
60 1 Spacer ring
Item Qty Description Spare part category
11Housing
21Cover 3
3 1 Lever arm 2 **
3A 1 Antistatic ring 2 **
4 2 Connection arm 2 **
4A *** 1 Antistatic ring 2 **
51Bearing unit 2
61Cylinder base 3
71Pointer cover 3
81Cylinder 3
91Piston 3
10 1 Piston rod 3
16 1 O-ring 1 *
16A 1 O-ring 1 *
17 2 O-ring 1 *
18 1 O-ring 1 *
19 2 O-ring 1 *
20 2 Bearing 2 ** (size 32: 1 *)
21 2 Bearing 2 ** (size 32: 1 *)
22 1, 2 Bearing 1 *
23 2 Bearing 1 *
24 2, 3 Piston seal 1 *
25 2 Bushing 3
26 1 Stop screw 3
27 1 Stop screw 3
Item Qty Description Spare part category
28 1 Screw
29 1 Screw
30 4 Screw
31 8, 12 Screw
32 2 Screw
33 1 Nut 3
33A 1 O-ring 3
34 1 Nut 3
35 1 Lock nut 3
36 2 Lock ring (**)
37 2 Support ring (**)
39 1 ID plate
41 Plug
42 Plug
44 1 Cylinder end 3
47 1 Torsion arm
48 2 Washer
58 1 Pressure outlet valve
61 1 Direction arrow 3
62 1 Screw
*) Delivered as a set
**) Leverage assembly, also available as separate part.
Actuator sizes 9–25: Parts 20 and 21 are not available separately.
They are delivered with part 4 as a set only.
(**) Belongs to leverage assembly, not recommended as separate part
***) With long-run option and standard contruction size 32
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