Grizzly T21888 Service, Troubleshooting, Symptom Possible Cause Possible Solution

Page 17

SECTION 5: SERVICE

This section is provided for your convenience—it is not a substitute for the Grizzly Service Department. If you need help troubleshooting, replacing parts, or you are unsure of how to perform the procedures in this section, then feel free to call our Technical Support at (570) 546-9663.

Troubleshooting

Symptom

Possible Cause

Possible Solution

 

 

 

 

 

Motor will not start.

1.

Tank already pressurized.

1.

Motor will not start if tank

 

 

 

 

is fully pressurized.

 

2.

Thermal overload switch

2.

Wait 30 minutes for motor

 

 

has tripped.

 

to cool, then push reset.

 

3.

Start capacitor is at fault.

3.

Replace start capacitor.

 

4.

Short circuit in motor or

4.

Inspect and repair all

 

 

cord, or loose connec-

 

connections on motor for

 

 

tions.

 

loose or shorted termi-

 

 

 

 

nals or worn insulation.

 

5.

Pressure switch is bad.

5.

Replace or adjust the

 

 

 

 

pressure switch (Page

 

 

 

 

20).

 

6.

Thermal overload tripped.

6.

Push in reset button.

 

7.

Motor is at fault.

7.

Replace motor.

 

 

 

 

 

Motor overheats and

1.

Compressor and motor

1.

Clean cylinder fins, motor

thermal overload turns

 

have restricted air flow.

 

fan, and vent area.

motor OFF.

2.

Air filter clogged.

2.

Inspect and clean air fil-

 

 

 

 

ter.

 

3.

Thermal overload switch

3.

Reduce load on com-

 

 

has tripped.

 

pressor and allow longer

 

 

 

 

cool down periods.

 

 

 

 

 

Loud repetitious noise

1.

Motor fan is hitting the

1.

Adjust fan cover mount-

coming from air com-

 

cover.

 

ing position, tighten fan,

pressor.

 

 

 

or shim fan cover.

 

 

 

 

 

Compressor knocking.

1.

Improper oil level.

1.

Check oil level and add

 

 

 

 

oil (Page 20).

 

2.

Air filter clogged.

2.

Inspect and clean air fil-

 

 

 

 

ter.

 

3.

Piston assembly loose.

3.

Inspect and repair piston

 

 

 

 

and connecting rod.

 

 

 

 

 

Model T21888 (Mfg. since 2/10)

-15-

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Contents Gallon Compressor Page Table of Contents Introduction Foreword SpecificationsTion about proper operation of the equipment Maintain Safety GUARDS. YourRead this MANUAL. This tool may Wear a RESPIRATOR. This toolUSE Correct AIR Pressure Additional Safety Instructions For Air Compressors 110V Operation Circuit RequirementsGrounding Assembly SET UPPlacement UnpackingTo test run and break in the air com- pressor Test Run BreakPressure Relief Valve Test on Changing Oil onTo control the air supply to your tool OperationsPressure Regulator Use To use your air compressor OperationH7274-Campbell Hausfeld Pressure Regulator AccessoriesG6261-Campbell Hausfeld Water Filter Daily before use, perform the following checks MaintenanceSchedule To drain water from the tank Draining TankPressure Relief Valve Test Symptom Possible Cause Possible Solution ServiceTroubleshooting Model T21888 Mfg. since 2/10 Model T21888 Mfg. since 2/10 Check Valve Changing OilTo change the oil To fix the check valveTo fix air leaking around fitting threads Fixing Air LeaksTo find air leaks To adjust the pressure switch Pressure SwitchStorage When storing your air compressor, fol- low these guidelinesParts Breakdown Description Parts ListWarranty Warranty Card Name Street CityStateZip Place Stamp Here
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