U303 Automatic Nozzle

U303 Automatic Nozzle

For Heavy Duty, High-flow Truck stop, Bus and Fleet Service If you operate a full-service truck-stop, refuel your own fleet, or manage a card-lock refueling location, the low cost, long life and durability of the 120L high flow nozzle can help increase your productivity, sales and profits.

Warning

Do not use U303 Nozzles with a hold-open device on prepay self- service installations.Using foreign objects to hold-open automatic nozzles could result in failure to shut-off and personal injury.

Materials:

Body: Aluminum

seals: Buna-N, Viton

Main stem seals: Viton Cased Oil Seal / Graphite with Teflon

Main stem: Stainless steel

Color of insulator :

Red Green Blue Yellow Black

Features :

U303A/B Flow rate: 0-120L/m (113/16")

U303C/D Flow rate: 0-90 L/m (1")

Working Pressure: 0.18Mpa

U303 Automatic Nozzles for diesel, kerosene and all kinds of gasoline service.

Easily replaced spout- simply remove the screw.

Spout kits are available from HONGYANG.

Even, smooth, spray pattern- minimizes diesel foaming and false shut-offs.

Three position hold-open device- one finger control of hold-open mechanism means easy setting of flow rate.

Full hand insulator- protects both nozzle and vehicle, and insulates users' hands.Available Colors- color chart on inside back cover

Dual poppet valves- easy to open nozzle against high pressure.

Spout retaining ring- adds extra measure in securing nozzle spout in fill pipe.

100% Factory Tested.

Replacement Parts:

Key Description

1 Spout 1''

2 Spout 13/16''

3 Full hand insulator

4 Lever

5 Lever assembly

6 Diaphragm assembly

7 Main valve assembly

Package:

Net Weight Cross Weight Dimension

16kg/case of 10 19kg/case of 10 45x40x32.5cm/case of 10

Important:

The products should be used in compliance with applicable country, province and local Laws and regulations. Products selection should be based on physical Specifications and limitations and compatibility with the environmentand materials to be handled. HONGYANG makes no warranty of fitness for a particular use. All illustrations and Specifications in this literature are based on the latest products information available at the time of publication,HONGYANG reserves the right to make changes at any time in price, materials. Specifications and models and to discontinue models without notice or obligation.

is provided for maintenance. Check floater. Disconnect upper cover, check ball floater and returned oil floater and find whether oil flow into floater. Ball floater is made of two brass bowls through welting each other. If welding line exists defect it is easy that oil flow into. It is suggested to change a floater or weld the broken. Putting repaired floater into water more than 80 degree, if found no foam at welding line the repaired one could continue to be used. Some manufacturers replace ball floater, returned oil buoy and exhausting valve seat with ball valve subassembly. Adopting Oil-resistant plastic substitute thin brass board to make returned oil floater. Suggesting change a new floater as found any abnormal transformation of floater. Inspect returned oil valve. There are two situations exhausting pipe leakage caused by the returned oil valve. One situation is that returned oil valve is cemented due to extensive oil. In this case it is suggested to clean valve and reassemble it. Another situation appears because the returned oil valve is stuck. Taking away burr or waste on leader and reassemble it reference to Diagram 2-13. 3.3 No delivery or inefficient discharge caused by vapor separator Examine filter. A blocked filter not only affects fuel the suction capacity, but also generates abnormal noise. It is suggest fuel dispenser ed to clean and reassemble filter. Don’t use brush to clean metal net so as not to increase net hole and affect filter accuracy. Inspect check valve. If check valve is stuck fuel dispenser can’t discharge any oil. The method to solve the problem is to clean waste after disconnecting spring seat, spring and check valve, and reassemble it. Make sure that the movement of check valve is agile. Inspect the leakage between tank and fuel dispensers. The inspection is conducted with filter check. If no oil or oil level go down slowly in low pressures chamber, there must leakage in bottom valve or pipeline. If there is still leakage occurred after solve above problem, carefully examine fuel dispenser fuel dispenser

................21　　Figure 2 Customer Aborts Outdoor Sale ................................................................................22　　Figure 3 Normal Indoor Sale Message Flow ..........................................................................23　　Figure 4 Customer Aborts Indoor Sale ...................................................................................24　　Figure 5 Reconciliation Message Flow...................................................................................25　　Figure 6 File Action Message Flow ........................................................................................26　　Figure 7 Response Lost .........................................................................................................27　　Figure 8 Communications Failure (1) ....................................................................................28　　Figure 9 Communications Failure (2) .....................................................................................30　　Figure 10 Normal Outdoor Sale Message Flow .....................................................................94　　Figure 11 Normal Outdoor Sale Message Flow .....................................................................95　　Figure 12 Customer Aborts Outdoor Sale .............................................. fuel dispenser ................................96　　Figure 13 Indoor Sale Transaction Aborted.........................................................................100　　Figure 14 Indoor Sale Transaction Accepted then reversed..............................................101　　Figure 15 Reconciliation Message Flow...............................................................................102　　Figure 16 Response Lost .....................................................................................................103　　Figure 17 Communications Failure (1) ................................................................................104　　Figure 18 Aut fuel dispenser fuel dispenser

cost of hard disks.� example. And the expected leap in demand for storage capacity, as phones double as TVs and video cameras, plays to hard disks strengths. The quest for the universal memory This is all a healthy reminder that no storage technology can afford to rest on its laurels. Indeed, the greatest threat to flash may come from its own success. Flash chips are, by most estimates, doubling in capacity roughly every year, outdoing even Moore s law, which predicts a doubling of the number of transistors on processor chips every 18 months. Sooner or later, this sort of exponential trend, which depends on shrinking each generation of transistors, is going to run into fundamental manufacturing limits. What new storage technology will step in then? The field is wide open. Mr Niebel of Web-Feet Research says he keeps track of more than 40 pretenders to the flash throne. Many of them have yet to progress beyond laboratory prototypes. But one or two have made the leap to fabrication. Magnetic RAM (MRAM) and Ferroelectric RAM (FRAM) are, as their names indicate, variations of the RAM used in today s computers. These technologies combine the speed and programming flexibility of RAM with the low power consumption and non-volatility of flash. But to store data, they rely on special materials that fuel dispenser respond to magnetic or electric fields, which makes their production trickier. As a result, prototype chips with more than a megabyte of capacity have begun to appear only in the past couple of years, and will be relegated to specialist markets until they can compete on cost and capacity with other technologies. A radically different approach to storing data is the Ovonic Unified Memory (OUM), pioneered by Stan Ovshinsky, a highly successful and eclectic serial inventor. OUM is based on so-called chalcogenide materials, the atomic structure of which can be changed reversibly from a well ordered crystalline state to a disordered, amorphous state by applying a burst of electric fuel dispenser fuel dispenser