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OilGear A2 Series, Руководство по обслуживанию

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© 2019 THE OILGEAR COMPANY - ALL RIGHTS RESERVED

Bulletin 948675A

6

Bulletin 948675A

CONTROL SERVICE MANUAL

Figure 2. ASA Diagram for “P-1NN” Control Shown with Typical Pump

Figure 3. Curve Indicating Flow Versus 

Pressure for “P-1NN” Type Control

A

1

B

GPA

2

 

P

O

1

 

P

O

OP 6

OP 3

OP 4

RP1

1A

OP 14

OILG0331

FLOW

PRESSURE

Related Pump

Pressure

OILG0380

Содержание A2 Series

Страница 1: ...bed in this bulletin and other changes may be made without notice REFERENCE MATERIAL Fluid Recommendations Bulletin 90000 Contamination Evaluation Guide Bulletin 90004 Filtration Recommendations Bulle...

Страница 2: ...Diagram Control Behavior Curve for P 1NN Control 6 Troubleshooting 7 Principle of Operation Starting Raising Pressure 8 10 Principle of Operation Compensating Pressure Unloading 11 12 Screw Plug Torqu...

Страница 3: ...hrough Oilgear Contact us on our website www oilgear com Please contact us if you have any questions regarding the information in this instruction bulletin The cleanliness of working on this pump cont...

Страница 4: ...e failure This can cause serious injury Please contact Oilgear for assistance when required Hydraulic cylinders can be holding a function in a certain position when the pump is off An example of this...

Страница 5: ...ipment unless they are fully supported or blocked Failure to follow this procedure can result in serious injury or death Any Oilgear pump safety decals must be replaced anytime they are damaged missin...

Страница 6: ...in 948675A CONTROL SERVICE MANUAL Figure 2 ASA Diagram for P 1NN Control Shown with Typical Pump Figure 3 Curve Indicating Flow Versus Pressure for P 1NN Type Control A 1 B GPA 2 P O 1 P O OP 6 OP 3 O...

Страница 7: ...ck Worn pistons and or piston bores Maximum volume stop adjusted incorrectly Adjust maximum volume stop CCW to increase flow Pressure compensator is set too close to operating pressure Adjust pressure...

Страница 8: ...rol Functionally the swashblock and resultant displacement is positioned by two opposite acting control pistons unloading control piston and bias control piston See control parts drawing for actual co...

Страница 9: ...ol 305 and to the bias control piston 303 Outlet pressure is also transmitted through orifice Port OP 2 allowing the pressure acting on either end of the control spool 305 to be equal In this conditio...

Страница 10: ...tin 948675A 10 Bulletin 948675A CONTROL SERVICE MANUAL Figure 4 Raising Pressure Loading TO SYSTEM UNLOADING CONTROL BIAS CONTROL OP 4 OP 3 OP 2 OP 14 OPTIONAL OP 1 OP 6 328 305 PRESSURE COMPENSATOR R...

Страница 11: ...NG PRESSURE If the system pressure drops below the preset compensating pressure the relief valve poppet 307 seats and closes the path to drain Pressure on either side of the control spool 305 will bec...

Страница 12: ...Bulletin 948675A 12 Bulletin 948675A CONTROL SERVICE MANUAL Figure 5 Compensating Pressure Unloading TO SYSTEM UNLOADING CONTROL BIAS CONTROL OP 4 308 OP 3 OP 2 OP 14 OPTIONAL OP 1 OP 6 328 305 327 31...

Страница 13: ...3 Plug 1 8 internal 720 SAE 12 Part 1 1 4 external Tightening Torque 50 ft lbs 68 Nm 200 in lbs 23 Nm 80 ft lbs 108 Nm 100 ft lbs 136 Nm 100 ft lbs 136 Nm 100 ft lbs 136 Nm 48 in lbs 5 Nm 120 in lbs...

Страница 14: ...r and bulletin number and item number Specify type of hydraulic fluid to ensure seal and packing compatibility Item Number Quantity Description 301 1 Control Housing 302 1 Control Piston 303 1 Bias Pi...

Страница 15: ...lletin 948675A 15 Bulletin 948675A CONTROL SERVICE MANUAL PVG P 1NN Control Service Kits Reference 167 Ass y Drwg Document Number 520167 SK1 Revision 0 8 Sheet 1 of 1 Description Kit Number Design Ser...

Страница 16: ...THE OILGEAR COMPANY ALL RIGHTS RESERVED Bulletin 948675A 16 Bulletin 948675A CONTROL SERVICE MANUAL Figure 6 Exploded Parts Drawing for PVG 180 P 1NN Single Pressure Compensator Control 520167 831 sh...

Страница 17: ...E OILGEAR COMPANY ALL RIGHTS RESERVED Bulletin 948675A 17 Bulletin 948675A CONTROL SERVICE MANUAL Figure 7 Cross Section Parts Drawing for PVG 180 P 1NN Single Pressure Compensator Control 520167 831...

Страница 18: ...2019 THE OILGEAR COMPANY ALL RIGHTS RESERVED Bulletin 948675A 18 Bulletin 948675A CONTROL SERVICE MANUAL NOTES...

Страница 19: ...2019 THE OILGEAR COMPANY ALL RIGHTS RESERVED Bulletin 948675A 19 Bulletin 948675A CONTROL SERVICE MANUAL NOTES...

Страница 20: ...AILABILITY Prepare for your future needs by stocking Oilgear original factory parts Having the correct parts and necessary skills in plant enables you to minimize down time Oilgear has developed parts...

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