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Troubleshooting
72
Troubleshooting
Hale Series Pumps, Nov.-05, Rev-A
Relief Valve Does
Not Relieve Pres-
sure When Relief
Valves are Closed
- continued.
Relief valve
inoperative.
• Possibly in need of lubrication. Remove valve from pump, disman-
tle, clean and lubricate.
• Refer to relief valve manual and follow maintenance instructions
for disassembly, cleaning and lubrication.
Relief Valve Does
Not Recover and
Return to Origi-
nal Pressure Set-
ting After
Opening Valves.
Dirt in system causing
sticky or slow reaction.
• Check and repeat proper procedures for setting the relief valve
system.
• See Section 3 Operation, heading 3.8 “Relief Valve Procedures” on
Relief valve
inoperative.
• Blocked bleed orifice - clean the bleed orifice with a small wire or
straightened paper clip.
• Refer to relief valve manual and follow maintenance instructions
for disassembly, cleaning and lubrication.
Relief Valve
Opens When Con-
trol Valves are
Locked Out.
Drain hole in housing,
piston or sensing valve
is blocked.
• Clean the valve drain hole with a small wire or straightened paper
clip.
• Refer to relief / sensing valve manual and follow maintenance
instructions for disassembly, cleaning and lubrication.
Unable to Obtain
Proper Setting on
Relief Valves.
Using the wrong proce-
dures.
• Check instructions for setting the relief valve and reset.
• See Section 3 Operation, heading 3.8 “Relief Valve Procedures” on
Blocked strainer.
• Check and clean the strainer in the supply line from the pump dis-
charge to the control valve. Check truck manual for location.
• Also see Section 4 Preventive Maintenance, heading “Intake
• Check and clean tubing lines related to the relief and control
valves.
Dirty control valve.
• Remove the control valve and clean.
“Hunting” condition.
• Insufficient water supply from the pump to the control valve.
• Check the strainer and relief valve system for flow restrictions.
• Remove and clean the control valve.
Discharge Valves
Are Difficult to
Operate.
Chart continued on
next page.
Lack of lubrication.
• Recommended weekly lubrication of discharge and suction valve.
• Use a good grade, petroleum based, silicone grease.
• For Hale Products, SVS Valves, etc., use Never-Seez
®
White
Food Grade with PTFE.
• Also see Section “Appendix C1: Lube and Sealant Specifica-
• Refer to separate valve manual for additional information.
Condition
Possible
Cause
Suggested Corrective Action
Figure 5-2: Troubleshooting Chart
Содержание Silencer AP Series
Страница 6: ...Overview 6 Silencer Series Booster Pump p n 029 0020 83 0...
Страница 22: ...Introduction 22 Section 2 Introduction Hale Products Inc May 2006 Rev B...
Страница 32: ...Accessories Options 32 Section 2a Accessories Hale Products Inc May 2006 Rev B...
Страница 66: ...Preventive Maintenance 66 Silencer Series Booster Pump p n 029 0020 83 0...
Страница 124: ...Installation 124 Basic Installation Hale Products Inc August 06 Rev B...
Страница 143: ...143 Appendix F Cavitation Hale Products Inc Nov 2005 Rev A Cavitation...
Страница 144: ...Cavitation 144 Appendix F Cavitation Hale Products Inc Nov 2005 Rev A...