Corken D791 - Page 39

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Appendix E—D791, T791, D891 and T891 Connecting Rod and
Crosshead Assembly Details
Ref
No.
Part No. Description
1.
3544-X3 Crosshead assembly (D791, D891)
3544-X9 Crosshead assembly (T791, T891)
3544-X10
Crosshead assembly—coated piston rod
(T791, T891)
2. 3590 Retainer ring
3. 1726
b
Bolt
4.
3785-X1 Connecting rod assembly
3785
a,d
Connecting rod
5. 1727
a,b
Nut
6. 3540 Wrist pin
7. 3541
a,c
Wrist pin bushing
8. 3542
a
Connecting rod bearing
Connecting Rod and Crosshead Assembly
Bill of Materials
a
Included with connecting rod assembly
b
Torque connecting rod nut to 40 ft. lbs.
c
Must be rebored after replacing (1.1258/1.1254 dia.)
d
Not sold separately
Never attempt to separate the piston rod and crosshead. When
repair becomes necessary, the entire crosshead assembly must
be replaced.
CAUTION: Always relieve pressure in the unit before attempting
any repairs.
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