Service; Bearing And Pump Lubrication; Air Lubrication; Proportioning Pump Removal - Graco 965660 Instructions And User Manual

309239 Instructions - Parts List
Pressurized Equipment Hazard
To reduce the risk of serious injury, including splashing
in the eyes or on the skin or injury from moving parts,
Pressure Relief Procedure
follow the
before checking or servicing the equipment and when-
ever you are instructed to relieve the pressure.

Bearing and Pump Lubrication

Bearing and Pump Lubrication Bearing and Pump Lubrication Bearing and Pump Lubrication
Insert one end of a nylon hose into the wet-cup. Hold
the other end of the hose up and pour the Throat Seal
Liquid through the hose and into the wet-cup until it is
full.
Lubricate the Mini-Cat proportioner's main pivot beam
periodically with Graco Gear Reducer Oil.
Service instructions are in the manuals for the separate
components. Refer to the
page 18 to help find the cause of the problem. The com-
ponent manual numbers are shown in the Solution col-
umn in the chart.

Air Lubrication

Air Lubrication Air Lubrication Air Lubrication
If your air supply is very dry, install air line lubricators
between the air regulators and pumps for automatic air
motor lubrication.

Proportioning Pump Removal

Proportioning Pump Removal Proportioning Pump Removal Proportioning Pump Removal
1. Flush the entire system with a solvent compatible
with the fluid being pumped.

Service

WARNING
on page 13
Troubleshooting Chart
Service Service Service Service
2. Disconnect the air line.
3. Follow the
4. Disconnect the fluid hose from the pump outlet.
5. Loosen the four adjusting knobs (pull up on the
knob to disengage the thread).
6. Remove the master pump stop pin.
7. Slide the pump(s) along the rail and remove the
pump(s) from the front of the Mini-Cat proportioner.

Proportioning Pump Installation

Proportioning Pump Installation
Proportioning Pump Installation Proportioning Pump Installation
1. With the four adjusting knobs loose, install the cata-
lyst pump assembly from the front of the Mini-Cat
proportioner. Slide the mounting plate between the
rails and the frame.
on
2. Install the master pump stop pin.
3. Install the master pump assembly and slide the
mounting plate until it meets the master pump stop
pin.
NOTE:
The motor and master pump are located off cen-
ter of the mounting plate. When properly installed, the
mounting plate should be approximately flush with the
front of the frame, with the distance from the center of
the air motor to the front of the frame being 2-7/8" (73
mm). If the master pump is installed backwards, an off-
ratio condition will result.
4. Set the ratio. Refer to
Pressure Relief Procedure
Setting the Ratio
on page 13.
on page 12.
19