1
2 (water inlet)
3
5
6
7
8
9
8
10
11
8
13
12
14
15
16
17
18
19
20
4
2
5
6
7
8
9
8
10
11
8
13
12
21
15
22
23
24
25
Water inlet
26
Backside View of Cylinder
Appendix E—Crosshead Guide Assembly Details for Model WFD551
O-ring Code
A
Buna-N
B
Neoprene
®b
D
Viton
®b
E
PTFE
K
Kalrez
®b
Ref
No.
Part No.
Description
Qty
1.
5269
Cylinder
1
2.
2825
Pipe plug (1-1/2" NPT)
3
3.
2-243_
O-ring
1
4.
2-247_
O-ring
1
5.
1749
Cartridge holddown screw
2
6.
1730
Cage washer
2
7.
2176
Back-up ring
2
8.
2-233_
O-ring
2
9.
1750
Packing box cage
2
10. 1751
Packing box cartridge
2
11. 1732
Oil deflector ring
2
12. 1192
Locking device
2
13. 1722-X
Adjusting screw assembly
2
14. 1716
Crosshead guide
1
15. 7005-050175A
Bolt (1/2" 13 x 1-3/4" ferry head)
16
16. 3443
Pipe plug (1/2" NPT)
2
17.
3442
Pipe plug (1/4" NPT)
3
18. 1748
Cartridge plate
2
19. 5000-350
Retainer ring
2
20. 1761
Crankcase gasket
1
21. 1760
Inspection plate gasket
1
22. 1721
Inspection plate
1
23. 7012-010NC025B Screw (10 - 24 x 1/4" Phillips hd.)
10
24. 2268
Tube female elbow-1/2T x 3/8
1
25. 2918
Tubing - 1/2 x .032 copper
1
26. 2267
Tube elbow 45 degree-1/2T x 3/8
1
Crosshead Guide Bill of Materials
a
_ denotes O-ring code. See O-ring chart
above for details.
b
Registered trademark of the DuPont company.
WARNING
Always relieve pressure in the unit
before attempting any repairs.
NOTE:
Packing barrel installation:
1. Use packing installation cone #3905 on the piston rod.
2. Insert small barrel first, use finger holes to align slinger ring on to
the rod. Slip the packing barrel into place.
3. Align pin with slot in large packing barrel.
4. Slip large packing barrel in place.
34