Change Greases; Fill Reservoir - Oil Dispense Pumps; Prime The Pump - Graco 25R800 Instructions Manual

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2. For higher viscosity fluids, start the pump, per the
controller instructions, to rotate the stirring paddle
during filling to prevent air pockets from forming in
the grease.

Change Greases

Always use compatible grease when changing grease.
Fill Reservoir - Oil Dispense
Pumps
Only use oil appropriate for your application, auto-
matic dispensing, and the equipment's operating
temperature. Consult with machine and lube manu-
facturer for details.
The reservoir can be filled using a hand operated
pump, pneumatic pump or electric transfer pump.
Do not overfill (F
. 22).
IG
Do not operate G-MINI Pump without reservoir
attached.
Only use oils with viscosity at least 40 cSt.
1. Remove fill cap (Z) (F
2. Pour oil into reservoir to max fill line (F
3. Reinstall fill cap (Z). Hand tighten cap, securely.
F
. 22
IG
3A6714H
. 22).
IG
. 22).
IG

Prime the Pump

It is not necessary to prime the pump every time the
pump is filled. The pump only requires priming the first
time it is used, or if it is allowed to run dry.
1. Loosen the pump element fitting (F
NOTE: When loosening the pump element fitting, do
not loosen the pump element. Loosening the pump ele-
ment changes the output volume and causes leakage.
F
. 23
IG
2. Only run the pump until air is no longer dispensed
with the lubricant out of element fitting (F
F
. 24
IG
Setup
. 23).
IG
. 24).
IG
21

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