1
2
3
7
6
3
8
5
4
5
2
Appendix E—Connecting Rod Assembly Details for Model WFD551
Ref
No.
Part No.
Description
1.
3544-X5
Crosshead assembly
3544-X6
Crosshead assembly—coated
piston rod
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
WARNING
Never attempt to separate the piston rod and
crosshead. When repair becomes necessary, the
entire crosshead assembly must be replaced.
WARNING
Always relieve pressure in the unit before
attempting any repairs.
WARNING
Note
alignment
marks
32