Graco 307212ZAC important safety instructions Troubleshooting, Problem Cause Solution

Page 11

Troubleshooting

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 8.

Before servicing this equipment always make sure to Relieve the Pressure.

Check all possible remedies in the Troubleshooting Chart before disassembling the fluid regulator.

Problem

Cause

Solution

 

 

 

No pressure regulation

Damaged or clogged air regulator or

Clear obstruction in line, service regu-

 

line (214980 only)

lator if necessary.

 

 

 

 

Damaged diaphragm (22)

Replace diaphragm.

 

 

 

Fluid leaks from under cap

Loose cap (7)

Tighten screws (1) in sequence

 

 

shown in Service section.

 

 

 

 

Worn gasket (26)

Replace gasket.

 

 

 

Pressure creeps above setting

Damaged or clogged air regulator or

Clear obstruction in line, service regu-

 

line (214980 only)

lator if necessary.

 

 

 

 

Damaged diaphragm (22)

Replace diaphragm.

 

 

 

 

Seat leaking (16)

Replace ball (20), seat, and gasket

 

 

(15).

 

 

 

Pressure drops below setting

Damaged or clogged air regulator or

Clear obstruction in line, service regu-

 

line (214980 only)

lator if necessary.

 

 

 

 

Empty/clogged supply line

Fill/flush supply line.

 

 

 

 

Clogged air spray gun or fluid dis-

Replace, see gun or valve manual for

 

pensing valve.

service instructions.

 

 

 

 

Using regulator beyond its rated flow

Install additional regulators.

 

capacity, see the Technical Data on

 

 

Page 22.

 

 

 

 

307212 11

Image 11
Contents Important Safety Instructions Instructions-Parts ListTable of Contents Air Operated Fluid Regulators ModelsSpring Operated Fluid Regulators 307212 Pressurized Equipment Hazard Pilot Regulator Air Supply Line Air Operated Installation InstallationSpring Operated Installation Installing the Fluid Regulator Before Installing the Fluid RegulatorOperation Pressure Relief ProcedureFlushing Procedure Regulating Fluid Pressure Adjust the fluid regulator to the desired settingPage Problem Cause Solution TroubleshootingService of the Air Operated Regulators ServiceAir Bleed Hole Models 214980 shownService of the Spring Operated Regulators Models 214895, 214706, 255374, and 24A082 Models 217314Without gauge. Includes items 1-26 PartsModel 214895, Series H Model 214706, Series HIncludes items Model 255374, Series a Model 24A082, Series aWithout gauge. Includes items 1-26 21 *3 Model 217314, Series FModel 221118, Series E With gauge. Includes items 1-32Includes items 2040 Model 214980 Series FModel 244375 Series B Gauge Port DimensionsModel 214980 0-30 psi 0-210 kPa, 0-2 bar Technical DataCategory Data 30-700 kPa, 0.3-7.0 barPerformance Chart Graco Information Graco Standard Warranty