Welch 2052B-01, Operation Manual, Page: 7 / 8

Page 5
Service Parts List 2052B-01 (see Fig. 3)
Item
no.
Description Piece
2052B-01
Order no.
- *) Basic pump complete (consisting of position: 1 – 9) 1 410403-01
1 - Pump casing 1 1 410430-01
2 - Pump casing 2 1 410430-3
3 - O-Ring ø 47.22 x 3.53 1 829269
- - Drive complete (consisting of position: 4 – 8) 1 400844
4 - Piston rod with ball bearing 4 400647-01
5 - Close tolerance spacer 25 x 35 x 1 6 824957-1
6 - Eccentric shaft 1 400742-1
7 - Ball bearing 1 824949-3
8 - Mass balance 2 400678-1
9 - Alternating-current motor 1 826446-1
10 Handle 1 828634
11 Rubber metal-pad 2 829141-2
12 Spacer distance PP, Foot 2 400784-01
13 Rubber pad 1 400785-1
14 Pump head 4 400705-02
15 Connection head 4 410432
16 PTFE insert 4 400902
17 Pressure washer 4 400680
18 Tightening washer 4 400707
19 Diaphragm 4 400732
20 Valve 8 400656
21 Manifold 5 1 400917-01
22 Manifold 2 4 400903
23
Hose nozzle PP, DN 8 – ¼“ (1x enclosed) 2 710798
Hose nozzle PP, DN 12 – ¼“ (1x enclosed)
1 720331
24 Straight threaded joint with seal edge PVDF, 10 – ¼“ 7 829931
26 Threaded elbow joint 10, PVDF, M12 x 1 3 829972
28 Vacuum hose PTFE, 10 / 8 x 1 mm 0.6 m 828332
30 O-Ring EPDM, ø 25 x 2 8 829250-1
31 O-ring EPDM, ø 12 x 2 9 829217-3
32 Gas ballast valve 1 400599-01
33 Check valve 1 829909
- 115V North America IEC cord set, NEMA5-15 (US) 1 825903
*) The "basic pump" module (items 1 – 9) can only be supplied complete under order number
410403-01.