Graco Inc 260101, 260102, 260104, 260100 Troubleshooting, Problem Cause Solution

Page 6

Troubleshooting

Troubleshooting

Problem

Cause

Solution

 

 

 

 

 

 

Motor runs but pump will not

Motor rotation wrong.

Check wiring instructions for

prime.

(260100 only)

possible problems.

 

 

 

 

Dirt under pressure relief valve.

Remove pressure relief valve

 

 

and inspect, clean, or replace if

 

 

damaged.

 

 

 

 

Worn or damaged gears.

Remove cover and inspect

 

 

gears. Replace if worn or dam-

 

 

aged.

 

 

 

 

Oil level low.

Refill tank.

 

 

 

 

Cover seal (5) damaged.

Replace if worn or damaged.

 

 

 

 

Inlet suction screen clogged

Remove and clean or replace.

 

(used oil).

 

 

 

 

 

Air leak in suction tube.

Inspect all joints in suction

 

 

tube, make sure all threaded

 

 

joints have sealant applied.

 

 

 

 

Air lock in system.

This may occur if filter or meter

 

 

or automatic shut-off nozzle is

 

 

used. If this occurs, fill pump

 

 

and meter with fluid through

 

 

top of pump.

 

 

 

 

Motor does not run at proper

Check electric connections.

 

speed.

Ensure supply voltage is at

 

 

proper level.

 

 

 

Oil leaking in motor mount.

Faulty or damaged motor shaft

Replace shaft seal (4).

 

seal.

 

 

 

 

 

Operating pump extended time

Do not exceed 5 minutes of

 

with nozzle closed.

operation with nozzle closed.

 

 

 

 

Motor shaft worn.

Replace motor if shaft has

 

 

groove worn in seal area.

 

 

 

6

311305E

Image 6
Contents Apex Fire and Explosion Hazard Pressurized Equipment Hazard Installation Mounting Pump on Barrel or TankMounting Hose and Nozzle Pressure Relief Procedure Electrical Installation 115 VAC and 230 VACElectrical Installation 12 VDC OperationTroubleshooting Problem Cause SolutionTroubleshooting Parts Description Qty Technical Data Dimensions Models Length a Height B Width CPerformance Chart 311305E Graco Standard Warranty Graco Information