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Introduction

Warnings and Instructions

2

In addition to the specified torque values noted in this manual, when properly tightened, all flanged fittings should 

have metal-to-metal contact.

The Maxxum® Submersible Turbine Pump’s A-weighted emission sound pressure level at work stations (inside the 

sump pit on forecourt while refueling) does not exceed 70dB.

Warnings and Instructions

This section introduces the hazards and safety precautions associated with installing, 
inspecting, maintaining or servicing this product. Before performing any task on this 
product, read this safety information and the applicable sections in this manual, where 
additional hazards and safety precautions for your task will be found. Fire, explosion, 
electrical shock or pressure release could occur and cause damage to property, 
environment, resulting in serious injury or death, if these safe service procedures are 
not followed.

PRELIMINARY PRECAUTIONS

You are working in a potentially dangerous environment of flammable fuels, vapors, and high 
voltage or pressures. Only trained or authorized individuals knowledgeable in the related 
procedures should install, inspect, maintain or service this equipment. 

Read the Manual

Read, understand and follow this manual and any other labels or related materials supplied with this equipment. If 

you do not understand a procedure, call 1-800-323-1719 to locate a qualified technician. It is imperative to your 

safety and the safety of others to understand the procedures before beginning work. 

Make sure your 

employees and any service contractors read and follow the instructions. 

Follow the Regulations

Applicable information is available in National Fire Protection Association (NFPA) 30A; 

Code for Motor Field 

Dispensing Facilities and Repair Garages

, NFPA 70; 

National Electrical Code

 (NEC), Occupational Safety and 

Hazard Association (OSHA) regulations and federal, state, and local codes. All these regulations must be 

followed. Failure to install, inspect, maintain or service this equipment in accordance with these codes, regulations 

and standards may lead to legal citations with penalties or affect the safe use and operation of the equipment.

WARNING

This product operates in the highly combustible atmosphere of a gasoline storage tank.
FAILURE TO COMPLY WITH THE FOLLOWING WARNINGS AND SAFETY PRECAUTIONS COULD 

CAUSE DAMAGE TO PROPERTY, ENVIRONMENT, RESULTING IN SERIOUS INJURY OR DEATH.

1. All installation work must comply with the latest issue of the National Electrical Code (NFPA 

70), the Code for Motor Fuel Dispensing Facilities and Repair Garages (NFPA 30A), and any 

European, national, state, and local code requirements that apply.

2. Turn off, tag, and lockout power to the STP before connecting or servicing the STP.
3. Before installing pipe threads apply an adequate amount of fresh, UL classified for petroleum, 

non-setting thread sealant. 

4. When servicing unit, use non-sparking tools and use caution when removing or installing 

equipment to avoid generating a spark.

To protect yourself and others from serious injury, death, or substantial property damage, carefully 

read and follow all warnings and instructions in this manual. 

OFF

Summary of Contents for Maxxum Big-Flo 6

Page 1: ...Manual No 577014 089 Revision F Maxxum Big Flo 6 Submersible Pump Installation Operation and Service Red Jacket Submersible Pump...

Page 2: ...of Lading to V R Customer Service at 800 234 5350 2 Call V R Customer Service at 800 873 3313 with the specific part numbers and quantities that were received damaged or lost 3 VR will file the claim...

Page 3: ...ation Information 16 Installing A Big Flo Diaphragm Valve 17 Attaching the Siphon and Vacuum Lines with Factory Installed Siphon Assemblies 18 Installing Two Pumps for Tandem Operation 19 Testing the...

Page 4: ...Pressurstat Pressure Adjustment 23 Figure 15 Maxxum Extractable Section Showing FM On Nameplate 25 Figure 16 UMP Discharge Head Assembly 28 Figure 17 Maxxum Check Valve Assembly 29 Figure 18 Pressurs...

Page 5: ...f not avoided could result in minor or moderate injury GLOVES Wear gloves to protect hands from irritation or injury NOTICE is used to address practices not related to physical injury WEAR EYE PROTECT...

Page 6: ...procedures before beginning work Make sure your employees and any service contractors read and follow the instructions Follow the Regulations Applicable information is available in National Fire Prot...

Page 7: ...ical power to the pump dispenser This means that even if you press a button on the console labeled EMERGENCY STOP ALL STOP PUMP STOP or something similar fuel may continue to flow uncontrolled Hazardo...

Page 8: ...rfill or top off your gas tank Let the fuel dispenser shut off automatically and leave the nozzle in the tank opening for six to eight seconds so the gasoline in the tank neck can settle down and any...

Page 9: ...here The Maxxum is designed to be compatible with 100 percent gasoline or diesel and 80 percent gasoline with 20 percent methanol ethanol TAME ETBE or MTBE All Models of the Maxxum are UL Listed for t...

Page 10: ...e discharge head shall be replaced only by identical fasteners READ THIS IMPORTANT SAFETY INFORMATION BEFORE BEGINNING WORK 1 Units should be installed with manholes or with discharge manifold casting...

Page 11: ...ompany identify and tag the service wires for L 1 L 2 L 3 phase sequence 2 Be certain that the pump with the siphon valve is installed into the correct tank 3 Check the equipment which was received ag...

Page 12: ...to the manifold discharge port Pipe sealant should be used in this joint Installation of a ball valve is recommended on the discharge side of the pump or discharge of the Big Flo leak detector housin...

Page 13: ...e to 35 ft lb 50 N m 1 Conduit Conduit from control box Power and thermal overload leads to pump O ring Refer to NOTES Ground wire Ground wire screw Cup washer terminal External toothed washer 1 x 11...

Page 14: ...e coil voltage and type of pump control d Installations using loading racks only may be connected for 2 or 3 wire control For 3 wire control Figure 4 connect a black wire from terminal 3 in the magnet...

Page 15: ...agnetic starter to L1 L2 and L3 respectively the motor pump unit will rotate in the correct direction It is recommended however that the performance tests always be made whether or not the power suppl...

Page 16: ...Installation Wiring the Conduit Box 12 Figure 4 Three Wire Three Phase Motor Wiring Diagram...

Page 17: ...identified by the symbol for equipotential bonding Refer to Figure 5 for the location underneath the conduit box assembly If required by nationally applicable installation regulations or by conditions...

Page 18: ...run the submerged pump at least 10 to 20 minutes continuously to purge the air from the siphon manifold 4 After the above checks have been made the backfill can be completed and the manholes installe...

Page 19: ...D 116 C 96 D 128 C 120 D 152 C 144 D 176 72 51 883 454 1 C 72 D 119 C 84 D 131 C 96 D 143 C 120 D 167 C 144 D 191 Table 3 Winding Resistances Model Number Pump Motor Assembly HP Volt Phase Winding Res...

Page 20: ...635 997 1552 J 3 380 415 3 5 4 25 0 15 15 787 1250 1956 3070 G 5 208 230 3 17 1 85 0 25 30 240 376 590 920 H 5 380 415 3 8 8 38 0 15 15 472 750 1173 1841 2867 F 5 575 3 7 0 36 0 15 15 929 1477 2311 3...

Page 21: ...mp check valve housing 2 Install the Big Flo Diaphragm Valve per the instructions included with the Big Flo Diaphragm Valve 3 Install the vent line from the FXV to the 1 4 NPT port in the six inch fla...

Page 22: ...threads of the 1 4 X 2 inch long nipple with pipe sealant Thread one end of the nipple into the siphon nozzle and the other end into the 1 4 x 3 8 inch reduction bushing 3 Apply pipe sealant to the ma...

Page 23: ...e 24 on both packers to maximum relief pressure by rotating fully clockwise If maximum pump pressures are NOT a minimum of 5 psi below the Pressurstat relief setting then proper check valves with pres...

Page 24: ...ibles to operate simultaneously with any combination of dispensers turned on To operate individually the appropriate disconnect switch must be turned off manually See Figure 11 and Figure 12 for sugge...

Page 25: ...Installation Installing Two Pumps for Tandem Operation 21 Figure 12 Suggested Diagram for Wiring Dual Manifold System Three Wire Control Three Phase...

Page 26: ...ompletion of the test release the pressure by a Turning the check valve lock down screw counter clockwise as far as it will go b Remove the protective cover from the Pressurstat see Figure 14 and turn...

Page 27: ...lockwise as far as it will go b Remove the protective cover from the Pressurstat see Figure 14 and turn the Pressurstat adjustment screw counter clockwise until the screw protrudes 3 4 this will relie...

Page 28: ...sting screw fully down the line relief pressure should be from 40 to 45 psi With the adjusting screw all the way up the pressure should be from 0 to 3 psi 4 The line relief pressure can be verified in...

Page 29: ...nd remove the four 1 2 inch Extracta retaining bolts Confirm that the lifting eyebolts are properly torqued to 10 ft lbs 13 6 N m with a minimum of 6 full threads installed Occasionally eyebolts are r...

Page 30: ...head out far enough to see the o ring in the sidewall of its socket Remove the connector s o ring from the connector s socket and discard it Get a 1 234 ID x 0 139 218 P N 072 712 1 wide o ring and l...

Page 31: ...le and eyebolt should be replaced 3 Utilize BOTH lifting eyebolts to suspend the pump vertically Lower the Extracta into position through the manifold assembly Care should be taken to keep the unit as...

Page 32: ...air Parts Item Part No Description Number Required 3 HP 5 HP 1 036 043 3 Head Motor Discharge 1 1 2 410774 001 Pigtail Conduit Seal 3 5 HP 1 1 3 072 712 1 Pigtail O ring 1 1 4 072 714 1 Motor Shell O...

Page 33: ...portions of the vent line and check valve assembly are clean and free of debris or contamination during servicing 1 Relieve system pressure by removing the protective cover and then backing out the p...

Page 34: ...bris or contamination during servicing 1 Close the ball valve in the discharge line if it has been installed 2 Lock down screw removal see Figure 18 a Remove the four wiper housing retaining screws b...

Page 35: ...Pressurstat and Check Valve Lock Down Screw Assembly rj 051 301 24 eps Protective cover Adjustment screw Pressurstat body Spring Plunger Diaphragm Lockdown screw 8 Screw Wiper seal Wiper housing O rin...

Page 36: ...rt No Description Qty 1 076 447 1 Screw Adjustment 1 2 080 944 1 Spring Expansion Relief 1 3 067 278 1 Plunger 1 4 017 573 1 Diaphragm Expansion Relief 1 5 072 642 1 O Ring 112 1 6 072 699 1 O Ring 24...

Page 37: ...Figure 20 Check Valve and Electrical Bushing Assembly Table 7 Check Valve Electrical Bushing Assembly Repair Parts Item Part No Description Qty 1 144 320 5 Kit Lock Down Screw 1 2 144 317 5 Kit Check...

Page 38: ...1 Handle Lifting 2 2 026 750 1 Bolt Hex 1 2 13 x 1 1 2 6 3 144 307 5 Kit Siphon Components 1 3a 066 163 3 Plug Siphon Plug 1 4 026 759 1 Bolt Hex 3 4 10 x 1 3 4 3 5 086 010 1 Line Steel Vent 1 6 027 2...

Page 39: ...ief 1 Table 9 Yoke Assembly Repair Parts Item Part No Description Qty 1 072 700 1 O Ring 223 1 2 072 689 1 Internal Retaining Ring 1 3 144 319 5 Kit 5 Wire Connector Assembly 1 4 072 710 1 O Ring 130...

Page 40: ...HB 3 37 4 950 137 62 380 415 3 410718 005 UMP P500J17 3K 5 47 0 1200 194 88 380 415 3 410718 004 UMP P500J6 2K 5 41 1 1050 154 70 575 3 UMP WITH DISCHARGE HEAD 410719 001 UMP P300J17 3HB W DH 3 40 1 1...

Page 41: ...tion of safe use that all installations must provide reliable electrical connection between the pump motor frame pipe manifold or junction box and the tank structure for both electrical protection and...

Page 42: ...vice when equipment is installed in accordance with the requirement of GB3836 1 2010 GB3836 2 2010 and the connector should be Ex d IIA Ex d IIB IIC grade with 1 NPT thread designed for minimum 5 thre...

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