Gasboy Atlas Fuel Systems Installation Manual User Manual Page 72
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Page 7-10 MDE-4331M Atlas® Fuel Systems Installation Manual · September 2014
Shear Valves
(Generally Used on Dispensers Only)
Note: Shear valves are not required on pumps but installation is discretionary.
See “PEI Publication RP100 Recommended Practices for In
stallation of Underground Liquid
Storage Systems (Chapter 9)” and “PEI Publication RP200 Recommended Practices for
Installation of Aboveground Storage Systems for Motor Vehicle Fueling”. A shear valve
(see Figure 7-4) is an NFPA 30A required safety device. It closes automatically to stop the
product flow during a fire or if the dispenser gets knocked off the island. It also provides a
means of manually closing inlet pipes.
Follow the shear valve manufacturer’s instructions for installation procedures and testing.
Install a shear valve on each product inlet pipe.
• Install a shear valve on a master dispenser satellite outlet and at satell
ite inlet.
• Do not mount the shear valve upside down.
• Ensure that the valve linkage is accessible and displays no in
terference while opening or
closing, from other piping, structure, or components.
Note: The dispenser product inlet pipes has to be aligne
d with the shear valve.
Do not restrict the shear valve linkage with pipes, braces, and so on.
• Test the shear valve operation.
• Close the shear valve until the startup of the equipment. Cap the inlet
pipe. This prevents
dirt and other particles from entering the product line. It also prevents fuel spillage.
Figure 7-4: Shear Valve
Shear Valve groove location must be flush to
the island surface +/-1/4-inch.
Shear Groove
Island Surface
Product Inlet Pipe
Shear Valve
Note: For model 9850KXTW1, refer to “Model 9850KXTW1 Shear Valve Configuration” on
page 6-10. Follow manufacturer’s installation inst
ructions. Anchoring requirements
noted within this section apply.
- Installation Manual 1
- Approvals 2
- Trademarks 2
- Table of Contents 3
- 6 – Installation 6-1 4
- Index Index-1 6
- 1 – Introduction 7
- General Description 8
- Atlas Model Codes 9
- Shipping Weight 10
- Operating Environment 10
- Related Documents 11
- Abbreviations and Acronyms 11
- Common Terms Used 12
- Warranty 12
- In an Emergency 14
- Hazards and Actions 15
- Important Safety Information 16
- 3 – Hazardous Locations 17
- Grounding 19
- Micro Feed 20
- Micro Neutral 20
- External Valve 21
- Neutral Feed 21
- Auth Input Dispensers 21
- Fast Flow Valve 23
- Phase 2 Feed 23
- Slow/Fast Satellite Return 23
- Light Feed 24
- Light Neutral 24
- Reset Motor Feed 28
- Pump Motor Feed 28
- Return (Neutral) 28
- Fast Flow 29
- 6 – Installation 31
- IMPORTANT INFORMATION 32
- Read NFPA 30A and NFPA 70 34
- Preparing for Installation 34
- Lifting Units 37
- Figure 6-3: OPW Shear Valve 41
- Pump/Dispenser Base 42
- Anchor Bracket 42
- Contractor-supplied 43
- Fittings (for example 43
- Anchor Bolts 43
- Preparing Field Wiring 45
- Testing New Field Wiring 47
- Completing Field Wiring 48
- Units with Hose Retrievers 49
- DEF Dispensers - ZVA 50
- DEF Nozzle 50
- Do Not Turn on AC Power 51
- Purging Air from System 52
- Through Nozzle) 53
- Installation Checklists 54
- Calibration 55
- Figure 6-9: Calibration Wheel 56
- Figure 6-10: Ultra-Hi Models 57
- Installation Calibration 58
- 7 – Reference Information 63
- Electrical Requirements 64
- Wire Size 66
- Atlas Commercial 66
- Atlas Retail 67
- Retail Data Wire Lengths 67
- Commercial Data Wire Lengths 67
- CPU Switch Settings 69
- Sealing ‘Y’ Fittings 69
- Plumbing Requirements 70
- (Used on Pumps Only) 71
- Shear Valves 72
- Start-up 74
- Adjustment Screw 76
- Lock Nut 76
- Appendix: Atlas Diagrams 77
- 16.5” 78
- Foundation Diagrams 79
- © 2014 GASBOY 100
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