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BENNETT T-75 HYDRAULIC PUMPING UNIT
T-75 Hydraulic Pumping Units
Operation, Service, & Parts Manual
107072 Rev G 10/26/18
Introduction / Operation / Troubleshooting / Parts
Only Trained Personnel May Work on This Equipment
READ THIS MANUAL
This manual has important information for safe installation and operation of this equipment. Read and understand this manual
before applying power. Keep this manual and tell all service personnel to read this manual. If you do not follow the instructions,
you can cause bodily injury, death, or damage to the equipment.
Bennett 1218 E. Pontaluna Road, Spring Lake, MI 49456
USA 800-235-7618 ~ Outside USA 231-798-1310
sales@bennettpump.com ~ www.bennettpump.com
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Summary of Contents for Bennett T-75
- Page 1 Keep this manual and tell all service personnel to read this manual. If you do not follow the instructions, you can cause bodily injury, death, or damage to the equipment. Bennett 1218 E. Pontaluna Road, Spring Lake, MI 49456 USA 800-235-7618 ~ Outside USA 231-798-1310...
- Page 2 The material included in this technical manual is accurate at the date of publication. The intent of this manual is to assist. If further assistance is required, please contact the Bennett Technical Service Department at 1-800-423-6638. Bennett Marketing Services can be contacted by mail, facsimile, telephone or e-mail at the locations specified below: Bennett Pump Company...
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Page 3: Table Of Contents
Bennett T75 Operation, Service, & Parts Manual Table of Contents TABLE OF CONTENTS TABLE OF CONTENTS SAFETY INFORMATION General Information........................................4 Hazardous locations ........................................4 Codes and Standards ........................................4 Unauthorized Alteration of Bennett Products ..............................4 Abbreviations and Acronyms ..................................... 4 PRODUCT INTRODUCTION Features &... - Page 4 Bennett T75 Operation, Service, & Parts Manual Table of Contents Page Intentionally Left Blank...
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Page 5: Safety Information
FUEL ETHANOL IS POISONOUS AND SHOULD NOT BE INGESTED. Note: Bennett Pump highly recommends all technicians observe HSSE policies defined by the supplier. Bennett Pump does not impose any DISCONNECT ALL POWER, RELIEVE PRESSURE TO THIS EQUIPMENT, restrictions or additional requirements contained in Environmental AND ASSOCIATED COMPRESSOR DURING INSTALLATION, SERVICE, OR Standards®... -
Page 6: General Information
Petroleum Institute Recommended Practice RP 2003, Protection Against Ignitions Arising out of Static, Lightening, and Stray Currents. Service of the Bennett products and all accessories (e.g. Nozzles, Hoses, and Breakaways) must be performed by a technician who is trained in accordance to all codes, requirements, standards, and regulations. -
Page 7: Product Introduction
The Type 75 pumping unit is a rotary vane type, flammable-liquid pump. They are provided with an integral strainer, pressure relief valve, air eliminator, and bypass valve, which is set to return liquid, under pressures exceeding 50 psi, to the suction side of the pump. For further information, please contact the Bennett Technical Service Department at 1-800-423-6638. FEATURES & CONSTRUCT ION The T75 pumping unit is fully compatible with the SB-100 Meter, compact and lightweight unit built with the following functions. -
Page 8: Installation Piping For Type 75 Pump Dispenser
Bennett T75 Operation, Service, & Parts Manual Product Introduction EUROPEAN SPECIFICATI ONS Power Requirements @ Maximum Flow & Pressure ............... 22 gpm (80 lpm) at 700 RPM with 1 HP Motor (0.75kW) Maximum Flow Rate ......................................80 L/min Noise Level ..........................................72 dB Maximum Operating Pressure .................................... -
Page 9: Pump Curves - U.s. Market
Bennett T75 Operation, Service, & Parts Manual Product Introduction PUMP CURVES – U.S. MARKET Pump Speed 700 rpm Test Conditions: Tested on Stoddard Solvent * 30 SSU Viscosity * 0.78 Specific Gravity 2. 12 inches Hg operating vacuum 3. Fixed bypass cover... -
Page 10: Exterior Dimensions
Bennett T75 Operation, Service, & Parts Manual Product Introduction EXTERIOR DIMENSIONS 12.6” [320 mm] 2.69” [68 mm] 8.74” [222 mm] FLANGED OUTLET- BACK VIEW FLANGED - FRONT VIEW 11.9” [303 mm] FLANGED OUTLET- SIDE VIEW 1.63” [40mm] FLANGED OUTLET- TOP VIEW... - Page 11 Bennett T75 Operation, Service, & Parts Manual Product Introduction 11.6” [295 mm] 2.69” [68 mm] 11.9” [303 mm] TUBE OUTLET- BACK VIEW TUBE - FRONT VIEW 11.9” [303 mm] TUBE OUTLET- SIDE VIEW 1.63” [40mm] TUBE OUTLET- TOP VIEW TUBE OUTLET - BOTTOM VIEW...
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Page 12: Inlet & Mounting Dimensions
Bennett T75 Operation, Service, & Parts Manual Product Introduction INLET & MOUNTING DIMENSIONS When installing units that contain a high alcohol product (e.g. E100). Confirm that the plumbing is designed to handle an alternative fuel. For multi- hose units, piping must align with the footprint. - Page 13 Bennett T75 Operation, Service, & Parts Manual Product Introduction TUBULAR OUTLET / MOTO R MOUNT OPTION FIGURE 7...
- Page 14 Bennett T75 Operation, Service, & Parts Manual Product Introduction SIDE INLET OPTION INLET CENTER FIGURE 8...
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Page 15: Operation
The following section describes each of the main components of the T75 pumping unit and the interface characteristics at each component. Refer to the diagram on the next page for item locations. For any questions, please contact Bennett Technical Support at 1-800-423-6638. - Page 16 Bennett T75 Operation, Service, & Parts Manual Operation FIGURE 9...
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Page 17: Theory Of Operation
Bennett T75 Operation, Service, & Parts Manual Operation THEORY OF OPERATION See Figure 10 for numbers in parenthesis. The product is drawn from the underground storage tank through the strainer screen of Filter (1). The Rotary Vane Pumping Unit (2) pressurizes the fluid. - Page 18 Bennett T75 Operation, Service, & Parts Manual Operation FIGURE 11...
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Page 19: Troubleshooting
DISPENSER! Use the table in each section to determine the cause and solution. For any additional questions, please contact Bennett Technical Support at 1-800-423-6638. PROBLEM 1: THE MOTOR STARTS BUT THE PUMP DOES NOT DELIVER FUEL. -
Page 20: Problem 3: Inaccurate Delivery
Bennett T75 Operation, Service, & Parts Manual Troubleshooting PROBLEM 3: INACCURAT E DELIVERY Refer to the table below for a description of various causes of the problem and the solution. Cause Solution Control valve stuck open. Remove the 4-bolt control valve cover and free control valve. -
Page 21: Parts
Parts SECTION 5: PARTS PARTS Use the illustrations to determine the part required identified by an item number. Please contact Bennett Customer Service Department at 231- 719-6050 for any additional information. TO PLACE AN ORDER FO R PARTS To place an order for parts please contact us by mail, email, phone, fax, or web using the information provided below. Note: Verbal orders cannot be accepted. -
Page 22: T75 Pumping Unit Assembly
Bennett T75 Operation, Service, & Parts Manual Parts T75 PUMPING UNIT ASSEMBLY Refer to the Type 75 Parts Lists on the following pages for part numbers, description, and comments. Note: Item numbers are not listed in numerical order. -
Page 23: Type 75 Pumping Unit Parts List
Bennett T75 Operation, Service, & Parts Manual Parts TYPE 75 PUMPING UNIT PARTS LIST Refer to the Type 75 assembly on the previous page for reference number locations. Note: Not all parts are shown. Item Part No. Description Comment N159501S... -
Page 24: Spare Parts Lists
Bennett T75 Operation, Service, & Parts Manual Parts Continued from previous page… Item Part No. Description Comment N238301S Rotor & Shaft Assembly 6-Blade Standard 6 Blade Rotor 110245S Rotor & Shaft Assembly 10-Blade Side Inlet 10 Blade Rotor 110704 Rotor Blade N481203 Bypass Valve Spring &... - Page 25 Bennett T75 Operation, Service, & Parts Manual Page Intentionally Left Blank...
- Page 26 Bennett 1218 E. Pontaluna Road, Spring Lake, MI 49456 USA 800-235-7618 ~ Outside USA 231-798-1310 sales@bennettpump.com ~ www.bennettpump.com...