Corken D791 - Page 47

18
18
19
19
20
20
21
11
2
11
12
13
14
21
21
21
22
22
13
12
15
16
17
Packing barrels
and cartridges
(For parts details,
see T891 packing
on previous pages).
Ref
No.
Part No. Description Qty
1. 3922 Cylinder 1
2. 3442 Pipe plug (1/4" NPT) 12
3. 1054 Drain valve (lubricated models) 1
4. 1071 Nipple (1/4" x close) 1
5. 2-246_
a
O-ring for cylinder 2
6. 7001-050NC175A
Bolt (1/2" 13 x 1-3/4" hex head
gr 5)
6
7. 3793-2S Flange (inlet/outlet) 2
8. 2-231_
a
O-ring for ange 2
9. 3253 Roll pin 1
10. 1716-4 Crosshead guide 1
11. 7005-050175A Bolt (1/2" 13 x 1-3/4" ferry head) 16
12. 1748 Cartridge plate 2
13. 5000-350 Retainer ring 2
14. 1761 Gasket (crankcase) 1
15. 176 0 Gasket (inspection cover) 1
16. 1721 Inspection cover 1
17. 7012-010NC025B Bolt (10 - 24 x 1/4" Phillips hd.) 10
18. 2-238_
a
O-ring 2
19. 1749 Cartridge holddown screw 2
20. 4747 Cage 2
21. 2-233_
a
O-ring 2
22. 1732 Oil deector ring 2
Crosshead Guide Bill of Materials
Appendix E—T891 Crosshead Guide Assembly Details
a
_ denotes O-ring code. See O-ring chart above for details.
b
Registered trademark of the DuPont company.
CAUTION: 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.
O-ring Code
A Buna-N
B Neoprene
®b
D Viton
®b
E PTFE
K Kalrez
®b
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