Craftsman 919.16778 manual Troubleshooting, Problem Cause Correction

Page 16

TROUBLESHOOTING

Performing repairs may expose voltage sources, moving parts or compressed air sources, moving parts or compressed air sources. Personal injury may occur. Prior to attempting any

repairs, unplug the air compressor and bleed off all air tank air pressure.

PROBLEM

 

CAUSE

 

 

CORRECTION

Excessive tank pressure - safety

 

 

 

 

 

Move On/Auto/Off lever to the

 

Pressure switch does not shut off

valve pops off.

 

motor when compressor reaches

 

 

 

“OFF” position, if the outfit does

 

 

 

“cut-out” pressure.

 

 

 

not shut off contact a Trained

 

 

 

 

 

 

 

Service Technician.

 

 

 

Pressure switch “cut-out” too

 

 

 

Contact a Trained Service

 

 

 

high.

 

 

 

Technician.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Air leaks at fittings.

 

 

 

 

Tighten fittings where air can be

 

Tube fittings are not tight enough.

 

 

 

 

 

 

 

heard escaping. Check fittings

 

 

 

 

 

 

 

 

 

 

 

 

 

with soapy water solution. DO

 

 

 

 

 

 

 

NOT OVERTIGHTEN.

 

 

 

 

 

 

 

 

 

 

 

 

 

Air leaks at or inside check valve

 

 

 

Check valve seat damaged.

A defective check valve results in

 

 

 

 

 

 

 

a constant air leak at the pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

release valve when there is pres-

 

 

 

 

 

 

 

 

 

 

 

 

 

sure in the tank and the compres-

 

 

 

 

 

 

 

sor is shut off. Replace check

 

 

 

 

 

 

 

valve. Refer the “To Replace or

 

 

 

 

 

 

 

Clean Check Valve” in the

 

 

 

 

 

 

 

"Service and Adjustment" section.

 

 

 

 

 

 

 

 

 

 

Air leaks at pressure switch

 

 

 

 

 

 

 

 

 

 

Defective pressure switch release

 

 

 

 

 

 

 

 

 

 

Contact a Trained Service

release valve.

 

valve.

 

 

 

 

 

 

Technician.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Air leaks in air tank or at air tank

 

 

 

 

Air tank must be replaced. Do not

 

Defective air tank.

welds.

 

 

 

 

 

repair the leak.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Do not drill into, weld or otherwise

 

 

 

 

 

 

 

modify air tank or it will weaken.

 

 

 

 

 

 

 

The tank can rupture or explode.

 

 

 

 

 

 

Air leaks between head and valve

 

 

 

 

Contact a Trained Service

 

Leaking seal.

plate.

 

 

 

 

 

Technician.

 

 

 

 

 

 

 

 

 

 

Pressure reading on the regulated

 

 

 

 

 

 

It is normal for “some” pressure

 

If there is an excessive amount of

pressure gauge drops when an

 

drop to occur.

 

 

pressure drop when the accessory

accessory is used.

 

 

 

 

 

is used, adjust the regulator fol-

 

 

 

 

 

 

 

 

 

 

 

lowing the instructions in the

 

 

 

 

 

 

 

“Description of Operation” para-

 

 

 

 

 

 

 

graph in the “Operation Section.

 

 

 

 

 

 

 

NOTE: Adjust the regulated pres-

 

 

 

 

 

 

 

sure under flow conditions (while

 

 

 

 

 

 

 

accessory is being used).

 

 

 

 

 

 

 

 

 

 

 

 

D22130

16-Eng

Image 16
Contents AIR Compressor Table of Contents Safety Guidelines Definitions Risk of Explosion or FireRisk of Bursting Risk from Flying ObjectsRisk of Electrical Shock Risk to BreathingRisk of Property Damage When Transporting Compressor Risk of BurnsRisk from Moving Parts Risk of FallingAccessories AssemblyContents of Carton GlossaryAssemble Wheels UnpackingAssemble Rubber Feet Installation Location of the Air CompressorGrounding Instructions Extension CordsKnow Your Air Compressor OperationDescription of Operation How to Use Your Unit How to StopHow to Start Before StartingMaintenance To Check Safety ValveAir Filter Inspection and Replacement Customer ResponsibilitiesAir Compressor Pump Intake and Exhaust Valves MotorService and Adjustments To Replace or Clean Check ValveStorage To Replace RegulatorTroubleshooting Problem Cause Correction17-Eng D22130 D22130 ENG Contenido Guía DE Diagnóstico DE Problemas Como Solicitar Piezas ParaGarantía Completa POR UN AÑO Compresor DE Aire Riesgo DE Explosión O Incendio Guarde Estas InstruccionesRiesgo DE Explosión Riesgo DE Objetos Arrojados POR EL AireRiesgo DE Descarga Eléctrica Riesgo DE InhalaciónRiesgo DE Quemaduras Riesgo DE Partes MóvilesRiesgo DE Caida Riesgo DE Daños a LA Propiedad AL Transportar EL CompresorGlosario AccesoriosEnsamblado Contenido de la cajaEnsamble de las ruedas DesempaqueEnsamble de las patas de caucho Instalación Ubicación del compresor de aireCables de extensión eléctrica Protección del voltaje y del circuitoConozca su compresor de aire OperaciónDescripción de operaciones Cómo utilizar su unidad Cómo detenerlaAntes de poner en marcha Antes de cada puesta en marchaMantenimiento Responsabilidades del clienteCómo verificar la válvula de seguridad Cómo drenar el tanqueMotor Servicio Y Ajustes Para reemplazar o limpiar la válvula de retenciónAlmacenaje Para reemplazar el reguladorGuía DE Diagnóstico DE Problemas Problema Causa CorrecciónGolpeteo Reemplace el interruptor SU-HOGARSM LE-FOYERSM