Hale Trailer User Manual Page 54
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❑ Glossary and Measurements
54
Appendix A: Glossary / Measurements
Hale Products, Inc., July 2006, Rev.-B
WARNING !
IF A PUMP IS OPERATED WITHOUT WATER FOR EXTENDED PERIODS, OR
WITHOUT DISCHARGING WATER, IT MAY OVERHEAT. THIS COULD DAMAGE
THE MECHANICAL SEAL OR THE DRIVE MECHANISM.
Double Suction ..Fluid enters on both sides of the impeller.
Impeller
Dry Prime Test ...Provides information on the ability of a priming pump to evacuate air from the main
pump. If the vacuum does not hold, it is an indication there is a leak in the system.
Flow Meter ..........Measures the volume of fluid that is flowing.
Friction Loss ......Loss of pressure in hose, fittings, standpipes, and other appliances because of the
resistance between the fluid molecules and the inside surfaces of the hoses, fittings,
standpipes, piping, and other appliances.
Front-Mount .......Pump mounted ahead of the vehicle’s engine – usually on the front of the radiator.
Pump
Gauge .................Pressure read from a gauge (PSIG).
Pressure
Governor.............Minimizes pressure changes by controlling engine speed to maintain pump discharge
pressure.
Horsepower ........A measure of mechanical work.
Impeller ...............The working part of a centrifugal pump that, when rotating, imparts energy to fluid.
Essentially, an impeller consists of two disks separated by vanes. The vanes force the
fluid to move outward between the disks so that it is thrown outward at high velocity by
centrifugal force. The water from the impeller discharges into a diverging passage
known as a volute, converting the high velocity energy of the water into pressure.
Impeller Eye........Point where fluid enters the impeller.
Net Pump ............The difference in pressure between discharge and suction pressure.
Pressure
Packing...............Material that maintains an airtight seal at the point where the impeller shaft enters and
exits the pump body.
Parallel ................Capacity position in which each impeller on a two-stage pump works independently into
the discharge – often termed "Volume Mode."
Pitot Gauge.........Measures velocity head at the discharge of a nozzle and can be converted to flow using
a chart or simple calculation.
Positive ...............A pump with a fixed flow delivered to the discharge with each revolution.
Displacement Pump
- Skid and Trailer 1
- NOTICE ! 2
- Contents Page 3
- Contents - continued Page 4
- Hale Skid and Trailer Systems 9
- ❑ Overview 10
- Serial Number 10
- Model Number 10
- Overview ❑ 11
- 1 Safety Precautions 15
- 1.1 DEFINITIONS 16
- 1.2 GENERAL 16
- Hale Products, Incorporated 17
- WARNING! 17
- 1.3 SKID ASSEMBLY 18
- 1.4 TRAILER ASSEMBLY 19
- WARNINGS ! 20
- Safety ❑ 21
- ❑ Safety 22
- 2Introduction 23
- ❑ Introduction 26
- 2a Accessories / Options 27
- 2A.2 AUTO-START 28
- 2A.3 AUXILIARY COOLING 28
- Accessories / Options ❑ 29
- P Series Relief Valve System 30
- Thermal Relief Valves (TRV) 31
- 2A.7 PRIMING SYSTEMS 32
- Priming Valves 33
- 2A.8 TORRENT SVS VALVES 34
- 3 Basic Operation 35
- 3.3 PREPARING TO TOW 36
- 3.4 PUMPING OPERATIONS 37
- Pumping Operations 38
- CAUTION - continued ! 39
- CAUTION ! 39
- ❑ Operation 40
- 3.5 RELIEF VALVE PROCEDURES 41
- 3.6 POST OPERATION PROCEDURES 42
- 4 Preventive Maintenance 43
- 4.2 POST OPERATION 44
- Preventive Maintenance ❑ 45
- 4.3 STORAGE 46
- 5 Troubleshooting 47
- ❑ Troubleshooting 48
- 6 Installation 49
- INOTICE ! 50
- System Preparation 51
- Appendix A: Glossary 53
- WARNING ! 54
- Glossary and Measurements ❑ 55
- ❑ Glossary and Measurements 56
- Appendix A-1: Measurements 57
- Hale Products Inc 58
- Oil / Lubricant Manufacturer 59
- Pump Gearbox 61
- Recommended Oil 61
- Loctite Sealant 62
- Recommended Cleaners 62
- Hose Friction Loss ❑ 63
- Appendix F: Cavitation 65
- To Eliminate Cavitation 66
- During Operations 67
- Preventive Measures 67
- Express Warranty 69
- Addendum 71
- ❑ Addendum 72
- Contents 74
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