Repair
Figure 7 Install the Motor Output Shaft and Eccentric Shaft
KeyKey
Key
forfor
for
FigureFigure
Figure
77
7
NoteNote
Note
DescriptionDescription
Description
Lips of the u-cup (4) must face toward the shaft bearings.
Lips of the u-cup (5) must face into the pump housing.
Lubricate with hose lube.
InstallInstall
Install
thethe
the
MotorMotor
Motor
andand
and
GearboxGearbox
Gearbox
1. Lubricate the motor output shaft (2) and the
keyway with an anti-seize compound.
2. The gearbox is manufactured with a hollow
bore. Remove the plastic cap on the back of the
gearbox to help with alignment of the shaft.
3. Slide the motor and gearbox assembly (107) onto
the shaft (2). Typically the assembly is mounted
with the motor above the gearbox. Install the key
(106). Secure to the pump housing (1) with the
four screws (109) and washers (108).
InstallInstall
Install
thethe
the
EccentricEccentric
Eccentric
ShaftShaft
Shaft
1. Ensure that the keyway on the motor output shaft
(2) is facing up. It may be necessary to turn the
motor fan by hand to position the shaft.
2. Slide the eccentric shaft (7) over the end of
the motor output shaft (2). Install the key (6).
The eccentric and the key should slide easily
together.
3. Secure the eccentric shaft (7) with the eccentric
shaft retaining ring (8).
InstallInstall
Install
thethe
the
RollerRoller
Roller
NOTE:NOTE:
NOTE:
The roller size is typically marked on the
roller. Verify that you have the correctly sized roller.
1. Lubricate the eccentric shaft (7) with hose lube.
Slide the roller (102) onto the shaft. The roller
should t onto the shaft snugly with minimal
radial movement. See Figure 8.
2. Install the roller retaining ring (8). Verify that the
roller (102) turns freely on the shaft (7).
3A1940G13
