11.7
Replacing Crosshead Guides
1)
Remove the fluid end plungers per instructions in
Section 9.2
.
2)
Remove the access panels per
Section 11.3
.
3)
Remove the power end plungers and seal housings per instructions in
Section 11.4
.
4)
Remove the connecting rods per
Section 11.5
.
5)
Remove the crosshead pins and crossheads per instruction in
Section 11.6
.
6)
Remove the lubrication oil hoses from the fittings in the rear of the crosshead guides using a 9/16"
open end wrench.
7)
Remove the rear screws that hold the crosshead guides into place using a 15/16" socket. Slide the
crosshead guides aft to release them. Remove the guides through the side access panel openings.
Inspect the crosshead guides for signs of scoring, uneven wear, or excessive heat. Replace as
necessary.
8)
When reinstalling the crosshead guides, do not torque the screws per the chart in
Appendix C
.
Instead, apply Loctite® Threadlocker Blue and torque them to 50 ft-lbs. Do not apply excessive
torque to the screws, doing so may distort the guides and cause damage to the pump if operated in
that condition.
Revision K 03/12/2019
MSI - A Division of Dixie Iron Works, Ltd. All rights reserved.
Page 76