GE PV411A Manuel utilisateur

www.gemeasurement.com

BHGE Data Classification: Public

Druck PV 411A

Pneumatic/Hydraulic Hand-pump

Instruction Manual

English 1 - 14

Deutsch 15 - 28

Español 29 - 42

Français 43 - 56

Italiano 57 - 70

Lietuvių71 - 82

Norsk 83 - 94

Português 95 - 108

Русский 109 - 124

Иކ 125 - 136

঩মୁ 137 - 150

8 + 3

Introduction

This manual provides operating instructions for the PV 411A Pneumatic/Hydraulic hand-

pump compatible with the requirements of line operation. The PV 411A supersedes the

PV 411.

Safety

The manufacturer has designed this equipment to be safe when operated using the

procedures detailed in this manual. The user must not use this equipment for any other

purpose than that stated. Only use hydraulic fluids stated in the specification.

This manual contains safety and operating instructions that must be followed to make sure of

safe operation and to keep the equipment in a safe condition. The safety instructions are

either warnings or cautions issued to protect the user and the equipment from injury or

damage.

Users are to check that there is no visible gap or play between the plastic halves of the

PV 411A prior to use. If a visible gap or play is evident, do not use, contact your local Service

Center. See Section 6.2 on page 13 for more details.

Use suitably qualified technicians*and good engineering practice for all procedures in this

manual.

Pressure

Do not apply pressure greater than the maximum safe working pressure stated in the

specification.

Toxic Materials

There are no known toxic materials used in construction of this equipment.

Maintenance

The equipment must be maintained using the procedures in this publication. Further

manufacturer’s procedures should be done by an authorized service agents or the

manufacturer’s service departments.

* A qualified technician must have the necessary technical knowledge, documentation, special test

equipment and tools to carry out the required work on this equipment.

Technical Advice

For technical advice contact the manufacturer or subsidiary.

Symbols

The following symbols mark this equipment:

Abbreviations

The following abbreviations are used in this publication.

Note: Abbreviations are the same in the singular and plural.

Symbol Description

This symbol, on the equipment, indicates a warning and that the user should refer to the

user manual.

Ce symbole, sur l'appareil, est un avertissement qui indique que l'utilisateur doit

consulter le manuel d'utilisation.

Do not dispose of this product as household waste. Use an approved organization that

collects and/or recycles waste electrical and electronic equipment. For more information,

contact one of these:

- Our customer service department: www.gemeasurement.com

- Your local government office.

Abbreviation Description

°C degrees Celsius

BSP British Standard Pipe thread

cm centimetre

COSHH Control of Substances Hazardous to Health regulations

cSt centi Stoke

°F degrees Fahrenheit

inHg inches of mercury

lb pounds

ISO International Standards Organization

kg kilogram

m metre

mm millimetre

MSDS Material Safety Data Sheet

NPT National Pipe Thread

PRV pressure relief valve

psi pounds per square inch

1. Introduction

The PV 411A hand-pump generates either pneumatic pressure and vacuum or hydraulic

pressure. The scissor-action handles provide pneumatic pressure and vacuum generation

and, in the hydraulic mode, provides hydraulic pressure generation for system priming.

1.1 Pneumatic Pump (Figure A1)

A selector valve (7) vents the system, to atmosphere, between selections of pressure and

vacuum. Operating the scissor-action handles (5) provides the pumping stroke, for pressure

generation.

A volume adjuster (3) allows small adjustments of the system pressure.

1.2 Hydraulic Pump (Figure A1)

The selector valve (7) vents the system, to the reservoir, between selections of pressure and

vacuum (used in the priming process). The volume adjuster (3) generates the required system

pressure. A fluid reservoir (see Figure A2), screwed into the inlet port (1), marked RESERVOIR,

on the top of the hand-pump completes the hydraulic circuit. A pressure relief valve (8) can

be adjusted to set a pressure between 30 and 700 bar (500 to 10,000 psi).

PTFE polytetrafluoroethylene

SAE Society of Automotive Engineers

UUT Unit under test

Abbreviation Description

2. Operation

Note: Wherever possible, use o-ring seals in the BSP connection ports this is the

recommended method of sealing.

Key to Figure A1

1. Inlet (reservoir) port

2. Outlet port

3. Volume adjuster

4. Limit adjuster

5. Scissor-action handles

6. Outlet port

7. Selector valve

8. Pressure relief valve (see Figure A3)

2.1 Pressure/Vacuum Configuration (Figure A1)

In pressure mode, air/fluid is drawn in through the inlet port (1) on the top of the pump and

forced out through the two outlet ports (2 and 6).

In vacuum mode, the air/fluid flow is reversed as air/fluid is drawn in through the top and rear

outlet ports (2 and 6) and expelled through the inlet port (1).

WARNING Before applying pressure, make sure all connections are

correct and equipment is internally clean and free from damage.

Make sure that all equipment is to the correct pressure rating.

Do not exceed the maximum operating pressure stated in the specification.

Observe the relevant health and safety precautions.

CAUTION If PTFE tape is used to seal NPT threads, ensure that only a

sufficient amount is used to achieve pressure seal. If excess tape is used,

particles can become loose during the connector mating process and enter

the pump, potentially leading to loss of pump performance or pressure

leaks.

2.2 Connecting the Pump

Figure 1: Supporting the PV 411A Pressure Port Nut

Connections can be made to the pump either directly or using the range of adaptors supplied

in the optional test kit.

2.2.1 Direct

BSP ports can be fitted with any suitable length ¼ BSP male connector, sealing either with an

o-ring at the bottom of the port or a bonded seal at the top. Fit a suitable blanking plug to an

unused port.

NPT ports can be fitted with any suitable length ¼ NPT male connector. Fit a suitable blanking

plug to an unused port. If PTFE tape is used to seal NPT threads, ensure that only a sufficient

amount is used to achieve pressure seal. If excess tape is used, particles can become loose

during the connector mating process and enter the pump, potentially leading to loss of pump

performance or pressure leaks.

2.2.2 Swivel Adaptors (optional)

The single, ¼ BSP, swivel adaptor connects with a range of fixed adaptors. Using the knurled

grip-feature, hand-tighten (clockwise) the swivel adaptor, until it is fully inserted.

2.2.3 Swivel Pump Head

The pump head swivels through 140° providing optimum viewing angle and bench-top

operation. Placing the pump on the bench allows greater force to be applied to the scissor-

action handles. Internal stops prevent further rotation of the pump head.

Note: Do not use excessive force when rotating the pump head.

WARNING Support the PV 411 pressure port nut when making, or

removing, connections. See Figure 1 for the recommended method of

supporting the PV 411 pressure port nut.

2.3 Selector Valve

Pressure: Turn the selector valve fully clockwise (in) position (hand-tight).

Vacuum: Turn the selector valve fully counterclockwise (out) position (hand-tight).

Vent: Slowly turn the selector valve to the center position.

2.4 Scissor-action Handles Limit Adjuster (Figure A1)

Turning the limit adjuster (4) clockwise reduces the stroke of the scissor-action handles (5),

turning the limit adjuster (4) counter-clockwise increases the stroke.

For maximum pneumatic pressure generation, turn the limit adjuster fully counter-clockwise.

3. Pneumatic Operation

3.1 Volume Adjuster

The volume adjuster can be used in different modes:

3.1.1 Low Pressure

1. With the selector valve set to vent (open), turn the volume adjuster fully

counterclockwise (out).

2. Turn the selector valve to the fully clockwise (in) position to select pressure.

3. Turn the volume adjuster clockwise to generate pressure.

3.1.2 High Pressure

1. Turn the volume adjuster to the mid-position. In this position fine adjustments of the

generated pressure can be made.

2. Using the scissor-action handles, generate the approximate pressure; then turn the

volume adjuster clockwise (in) to increase the pressure or turn the volume adjuster

counterclockwise (out) to decrease the pressure.

3.1.3 Vacuum

1. Turn the selector valve fully counterclockwise (out) position.

2. Turn the volume adjuster to the mid-position. In this position fine adjustments of the

generated vacuum can be made.

INFORMATION Avoid damaging the instrument under test by using the

volume adjuster to slowly release hydraulic pressure.

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