78
Operation Manual
Rod Journal Bearings
Removal
1. Drain the oil from the power end as out-
lined in “Changing the Power End Oil” on
page 71.
2. Once drained, remove the capscrews,
washers and lockwashers from the back
plate (Figure 155). Remove the plate, belt
guard and gasket. If the gasket is stuck to
the frame, it can remain.
3. Remove the rod cap capscrews (Figure
156) from each rod journal. Rotate the
pump by pulling on the belts (Figure 157),
to gain access to the capscrews as need-
ed.
4. Once the capscrews are removed, remove
each rod cap from the crankshaft. Ob-
serve the stamp marks on the top of the
cap and rod for correct assembly.
5. To check the bearing life, proceed to In-
spection. If the bearings are known to be
worn, continue to the following step.
WARNING
!!
Use caution when rotating the pump as this can
be a pinch hazard.
Figure 155: Back Plate Removal.
Belt Guard
Back Plate
Cap SCrew
Figure 157: Rotating the Pump.
Figure 156: Rod Cap Removal.
Back Plate
Rod Cap
Capscrew
Crankshaft