U203-F Display

U203-F Display

Features:

8 digits volume,8 digits sales,6 digits price per unit

1.2”LCD yellow backlight

running normally on the condition of -40 C to 55 C

broad sight scope from all directions

Current:600 mA

100% Factory Tested.

Packing:

Weight:

Dimension :

300g/case of 1 120×253×26mm/case of 1

l gear pump Trouble and Maintenance The mainly troubleshooting and failure about pump presents in Table 2-1. Table 2-1 Troubleshooting Serial No. Failure Failure reasons Solutions 1 No delivery or inefficient discharge Exterior elements: Motor stick; motor reversal; Sliding V belt; no oil in tank; pipe jammed; Check motor and its wiring; tighten V belt; inspect tank; dredge pipeline. Gear being stuck Clean waste in pump chamber Waste in outlet of overflow valve Disconnect overflow valve lid and clean waste; Leakage on valve Check oil groove Overweary gear or bearing Replace gears or bearing 2 Large noise or tremble Exterior reasons: Too long horizontal distance between fuel dispenser and tank; many elbow on inlet pipe; waste jam pipe; small diameter of pipe Dealt with in design and construction Intensive pressure Decrease thickness of pressured ring Overflow valve is stuck Clean waste and burr Overweary gear or bearing Replace gears or bearing 3 Inner leakage Overweary gears Replace gears Leakage on frame seal Frame seal disabled Replace frame seal Leakage on pump body or joint face O-ring disabled Substitute seal ring 2.5 Important notices in operation Often inspect the rotation of pump axis, leakage, abnormal noise, vibration on V wheel and lose bolt that tight pump key. Regularly clean strainer. The tightness of V wheel should be appropriate, neither too tight nor too loose. These V wheels of motor, pump and adjusting driven wheel should be in parallel level. Don’t adjusting overflow valve spring too tights in case that result in high pressure of hydraulic system, increase noise and vibration so as to enhance pump abrasion. Prohibit suck water or oil with much water. Strictly abide by the operation requirements on explosi fuel dispenser ve atmosphere. Submersible pump In China filing stations recently begin to adopt submersible pump as the power resource of fuel dispenser. Submersible pump gen fuel dispenser fuel dispenser

...................................................................7　　 3.1 XML SCHEMA - EPSPOS: CARDSERVICEREQUEST .........................................................................................................7　　 3.2 XML SCHEMA - EPSPOS: CARDSERVICERESPONSE......................................................................................................14　　 3.3 XML SCHEMA - EPSPOS: SERVICEREQUEST.................................................................................................................20　　 3.4 XML SCHEMA - EPSPOS: SERVICERESPONSE ...............................................................................................................22　　 3.5 XML SCHEMA EPS OR POS DEVICE PROXY: DEVICEREQUEST..................................................................................25　　 3.6 XML SCHEMA EPS OR POS DEVICE PROXY: DEVICERESPONSE ................................................................................29　　4. POS EPS IMPLEMENTATION RULES...........................................................................................................................34　　 4.1 EPS ADDRESSING............................................................................................................................................................36　　 4.2 EPS BACK-UP ..................................................................................................................................................................36　　 4.3 DEVICE STATE TABLE ......................................................................................................................................................36　　 4.4 ARCHITECTURE IMPLEMENTATION AND CONFIGURATION.................................... fuel dispenser ............................................................ 37　　 Interface configuration............................................ fuel dispenser fuel dispenser

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