Summary of Contents for VAF instruments 247
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Page 1: Technical Manual
Technical Manual Instructions for installation, operation and maintenance TICKET PRINTER ® ® For MidFlow and HiFlow series ‘J’ Vane meters Publication nr TIB-247-GB-0711 Supersedes TIB-247-GB-1201... -
Page 2: Table Of Contents
TABLE OF CONTENTS 1. PREFACE ..................2 GENERAL ....................2 COPYRIGHT ..................... 2 2. GENERAL DESCRIPTION ............. 3 OPERATION OF ZERO-START PRINTER ..........3 2.1.1 Drive ....................3 2.1.2 Reset ....................4 2.1.3 Printing ....................4 OPERATION OF accumulative PRINTER ..........5 2.2.1 Drive .................... -
Page 3: Preface
While every precaution has been taken in the preparation of this manual, no responsibility for errors or omissions is assumed. Neither is any liability assumed for damages resulting from the use of the information contained herein. Specifications can be changed without notice. ® ® MidFlow and HiFlow are registered trademarks of VAF Instruments B.V. -
Page 4: General Description
2. GENERAL DESCRIPTION 2.1 OPERATION OF ZERO-START PRINTER The SERIES 788800 Ticket Printer (Zero Start) mechanically records and prints digital information delivered to its drive shaft. This shaft positions the print wheels according to the ratio of internal and external gears. Reset and print operations are manually actuated. The zero-start printer is so-named because it begins to count at zero, and returns to zero when reset. -
Page 5: Reset
2.1.2 Reset During printing operation, the printwheels are reset to zero through rotation of the reset gear-train and reset shaft, figure 3. During the “Print In” cycle, one complete clockwise revolution of the reset drive gear turns the reset shaft gear and reset shaft to zero the print wheels. 2.1.3 Printing In printing operation, a ticket is inserted into the slot of the ticket tray until it bottoms on the internal stop. -
Page 6: Operation Of Accumulative Printer
2.2 OPERATION OF ACCUMULATIVE PRINTER The SERIES 788801 Ticket Printer (Accumulative) mechanically records and prints digital information delivered to its drive shaft. This shaft positions the print wheels according to the ratio of internal and external gears. Print operations are manually actuated. The accumulative printer is so-named because it is a non-resetting type that begins the count at the accumulated total of the last delivery, prints it, accumulates a new total for the new delivery and prints it. -
Page 7: Printer Removal And Installation
3. PRINTER REMOVAL AND INSTALLATION 3.1 REMOVAL The cover of the ticket printer must be removed to expose the internal mechanism prior to maintenance and repair. a. Break the seal and remove four hex head screws from the bottom of the Meter Register Frame. Lift off the printer cover. -
Page 8: Cleaning And Lubricating
4. CLEANING AND LUBRICATING 4.1 GENERAL Although the printer, when manufactured, is adjusted and lubricated, it does require periodic cleaning and lubrication to give maximum service. Judgement of the intervals at which the printer requires such service must necessarily be left to individual users, due to varying conditions of service. Under normal circumstances, this will be no more than twice a year, or after each 100,000 units of measure delivered. - Page 9 Fig. 4: Lubrication points Fig. 5: Lubrication points...
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Page 10: Trouble Shooting
5. TROUBLE SHOOTING 5.1 GENERAL CHECKS (FIGURES 6 THRU 10). If the reason for the trouble is unknown, it is necessary to examine the printer to be sure it functions properly. Observe function of the no back pawl by turning the crank in a counter clockwise direction. The no back pawl should limit the rotation to 20 degrees. - Page 11 Fig. 7: Parts Identification Fig. 8: Parts Identification Fig. 9: Ticket Tray Actuating Pin Fig. 10: Sales Advance Mechanism...
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Page 12: Trouble Shooting
5.2 TROUBLE SHOOTING Table 1 is used to assist in locating problems and making minor repairs and corrections in the field. In some problems similar defects can be produced by several causes of entirely different nature. Cause of the trouble must be determined and the correction made. TABLE 1 TROUBLE SHOOTING (refer to figures 6 thru 10) Trouble Possible cause... -
Page 13: Ticket Position Adjustment
5.3 TICKET POSITION ADJUSTMENT When print is out of position on the ticket, the tray stop and guides must be adjusted. To adjust the depth of the ticket loosen the ticket stop set screw on the rear of the ticket tray, figure Move the stop forward or rearward as required, then tighten the set screw. -
Page 14: Right Hand Wheel Inching Mechanism Adjustment
5.5 RIGHT HAND WHEEL INCHING MECHANISM ADJUSTMENT Adjustment of the inching of the print’s right hand wheel is accomplished by turning the adjusting set screw, figure 13. Turning screw clockwise, the inching occurs at a higher number and counter clockwise at lower inching numbers. With reference to the printing only, inching should take place between .3 and .4 above any previous number. -
Page 15: Repair And Replacement
6. REPAIR AND REPLACEMENT TICKET TRAY REMOVAL (FIGURE 14) Turn crank to print position (print hammer down) and remove printing arm spring. Turn crank to stop position (seal lever up). Flip printing arm to rear and remove three groove pins from printing arm shaft. Pull out printing shaft from left side. -
Page 16: Wheel Installation
WHEEL INSTALLATION Start wheel shaft through frame (right side) and install two washers inside next to frame. NOTE: When starting shaft through frame, keep spline facing out of front. Place the rigth wheel assembly on the shaft. NOTE: Wheel should be installed with zero in up position. This can be checked by moving stamping pad down over the wheel to see that figure is centered in pad. - Page 17 Remove crank shaft as outlined in 6.1. and pull shaft from frame. Remove reset drive gear. Install new reset drive gear on crank shaft. NOTE: Timing mark on gear must be down in relation to the head of the crank handle stud. Install crank shaft as outlined in 6.4.
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Page 19: Parts List
7. PARTS LIST Item No. Part Number. Partname W2071-008 Housing W4601-011 Hinge Pin W5971-004 Ticket Guide W7096-005 Ticket Cover W4058-007 Gasket W5404-017 Grub Screw W4031-003 Magnet W3401-013 Knob W5407-021 Screw W5405-017 Screw W5407-027 Screw W4051-004 Magnet Plate W4058-008 Gasket W4606-018 Groove Pin W0600-020 Rebound plate... - Page 20 W6109-002 Washer, Rubber W5203-002 Spring J054-0084 Crank J054-0085 Screw W501244-017 Screw W32729-14-121 Ticket guard W313705-010 Ticket guide W3601-014 Seal lever J054-0086 Spring W501218-001 Screw W7779-415 Ticket tray W7778-447 Trip lever W6104-026 Washer W5571-971 Shaft W4871-021 Clutch retrainer W0601-043 Grub Screw W0601-034 Spring clutch W0602-008...
- Page 21 W5201-063 Spring W4010-007 Circlip W6171-017 Washer W5571-972 Pinion shaft W0600-042 Transfer Pinion W0600-041 Drive Oinion W5371-236 Spacer W6104-146 Washer W7177-009 Drive clutch W6104-034 Washer W3071-437 Gear W6104-026 Washer W4010-014 Circlip W7779-407 Frame W5171-363 Stud W5471-065 Bolt W5571-966 Support rod W0600-058 Clip W5171-621 Screw Stud...
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Page 22: Warranty Conditions
8. WARRANTY CONDITIONS 1. Without prejudice to the restrictions stated hereinafter, the contractor guarantees both the soundness of the product delivered by him and the quality of the material used and/or delivered for it, insofar as this concerns faults in the product delivered which do not become apparent during inspection or transfer test, which the principal shall demonstrate to have arisen within 12 months from delivery in accordance with subarticle 1A exclusively or predominantly as a direct consequence of unsoundness of the construction used by the contractor or as a consequence of... - Page 23 g. all necessary safety and precautionary measures shall have been taken and adhered to, and all measures shall have been taken and adhered to necessary to observe the applicable government regulations in the context of assembly/installation; h. the products shipped shall be available at the correct site at the commencement of and during assembly.
- Page 24 Vierlinghstraat 24, 3316 EL Dordrecht, The Netherlands Specifications subject to change without notice. P.O. Box 40, 3300 AA Dordrecht, The Netherlands VAF Instruments B.V. is an ISO 9001 Certified Company. T +31 78 618 3100 sales@vaf.nl, www.vaf.nl Agents and distributors in more than 50 countries.
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