309044
25
cover
screw
front cover
yoke
pressure
control
harness
pump
rod
pump
mounting
pins
drive housing
plastic washers
1
2
3
Take care to not pinch harness between pump and any part of drive housing or between front cover and drive housing.
1
2
For best cover alignment, tighten lower two cover screws first, then top two. Torque screws to 70 to 80 in-lb (8 to 9 N
S
m).
3
Installation Notes
gear shaft
For yoke installation, eccentric bearing on gear must touch top of pump rod. Turn gear to move eccentric bearing
to proper height.
guide rods
4
5
If yoke guide rods drop out of position during assembly, damage will occur when cover is tightened. Always check
position of guide rods before tightening cover.
4
Apply light coat of grease.
5
eccentric
bearing
5
5
5
5
Pump Replacement Kit
XR Pump Replacement Kit 243533
6
Drive Train Detail
Apply one or two drops of thread locking adhesive (included in Kit 245533) to threads of pressure control switch.
Torque to 180 to 210 in-lb (20 to 24 N
S
m).
pressure control switch
(not included with new
pump in Kit 243533)
6
suction
tube assembly
drain tube
7
Use applicator brush to spread entire contents of grease packet (included with kit 243533) into gear teeth. Grease
must be worked into roots of gear teeth to ensure long life.
gear
7
XR Gear/Yoke
Replacement Kit 243230
970
To prevent misalignment, assemble sprayer tipped onto back of enclosure.
Rod/Yoke Detail
o-rings
