Vari JM 4-003 V Manual

Drive unit with the 2-stroke engine jikov

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DRIVE UNIT

JM 4 - 003 V

WITH THE 2-STROKE ENGINE JIKOV

Warranty for the drive unit is valid only with the use of geaboxes

supplied by VARI, a.s. and Motor Jikov, a.s.

The product's design meets requirements of Law No. 22/1997 Gaz. and all related regulations.

Manufacturer reserves the right of technical modifications and product innovations not included in the text and

illustrations of this manual, which do not impact the machine's function, without any previous notification and with no

exposure to any liabilities.

Publication No.:VL - 056 – 2000

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Summary of Contents for Vari JM 4-003 V

Page 1 Manufacturer reserves the right of technical modifications and product innovations not included in the text and illustrations of this manual, which do not impact the machine’s function, without any previous notification and with no exposure to any liabilities. Text and illustrations © 2000 * VARI a.s. * Publication No.:VL - 056 – 2000...
Page 2: Table Of Contents
Put down the following data concerning your machine. The data are needed for ordering spare parts. It is advisable to make a copy of this page with all data on the machine purchase for the case of loss or theft of the original record.
Page 3: Introduction
VARI a.s. The system is meant for gardeners, small growers and farmers on smaller plots and for companies involved in the provision of communal works.
Page 4: Machine Use, Technical Data And Technical Description
MACHINE USE Drive unit Model JM 4 - 003 V/T serves as an energy source to drive VARI-System gearboxes. Machine sets consisting of this engine unit, gearboxes DSK - 317, T - 20 A, T2, AKY and DSK – 316 series and working attachments and implements of the VARI-System can make all kinds of farming works.
Page 5 HV-220 HV-220 S HV-350-5 HV-350-7 ANV-366 ANV-350 U Permitted implement carriers: AV-1 AV-3 TECHNICAL DATA. Drive unit Model JM 4-003 V Unit Value Engine JIKOV 1453 ISKRA , 1454 VAPE, 1454 VAPE DV CE: Bore 56.0 Stroke 54.0 Cylinder volume 133.0...
Page 6: Instructions For Use
TECHNICAL DESCRIPTION OF ASSEMBLY GROUPS. Engines made by JIKOV are vertical 2-stroke ignition one-cylinder engines with atmospheric filling and forced air cooling. Crankcase, cylinder, flange and case cap are aluminium castings worked on functional surfaces. Crank shaft is mounted in two antifriction bearings. Rotor of cooling system fan and cup of engine manual starter are mounted on the upper end of the shaft.
Page 7 ASSEMBLING THE SAFETY IGNITION SWITCH BVA-96 Cable for the safety ignition switch BVA - 96 is a part of the complete engine assembly. Cable eye on the yellow cable is to be fixed under the left upper nut with which the holder of handlebars is screwed onto the engine. Pass flexible tubing 12x0.5x300 mm through both cables.
Page 8 ADJUSTING THE SHOCK ABSORBER TG-2 Basic setting of vibration dampers see the assembly of shock absorber onto handlebars. Correct functioning of the shock absorber requires de-arrestment of the pin on the swivel holder of handlebars. Tip the arresting-pin-controlling lever upwards and secure it with the retaining split pin (See Figure 2). The handlebars are in their movement to sides restricted only by the vibration dampers.
Page 9 Turning to sides MOUNTING THE DRIVE UNIT ONTO GEARBOXES Drive unit which is a power supply to prime all VARI-System machines is mounted into a flange in the upper part of the gearboxes. On the lower face of the complete flange assembly there is a cylindrical part which is to be slid into the gearbox flange when mounting the drive unit onto the gearbox.
Page 10 Put the drive unit on the gearbox so that the cylindrical part of engine flange falls into the gearbox flange and the pivot on the holder of handlebar rails falls into the hole in the console on the gearbox. Move the drive unit slightly to and fro until it fully sits on the gearbox. Then secure the drive unit by means of two clips of quick-operating clamps.
Page 11 2. STARTING THE ENGINE  Start the engine only when it is coupled to a gearbox or another aggregate of the VARI-System!  Do not start the engine in enclosed rooms. Gases generated at fuel combustion are dangerous to life! ...
Page 12 TECHNIQUE OF CONTROLLING THE JIKOV ENGINE WITH AUTOMATIC CENTRIFUGAL CLUTCH Coupling of the centrifugal clutch depends on engine rotations. This is why steering of this type of engine requires technique which differs from that applied in controlling for example an engine with multiple-disk clutch. Two working positions of accelerator lever are illustrated in Figure 5: –...
Page 13: Handling And Maintenance
Figure 6: Positions of the safety ignition switch V. HANDLING AND MAINTENANCE Regular treatment of the engine is very important for its long service life and correct functioning. If you adhere to these fundamental maintenance instructions, the engine will serve you long without any greater problems. It is advisable to have records on fuel mixture consumption and time of engine operation.
Page 14: Storage
ad b) Screw out the spark plug, clean electrodes and insulator with a steel brush, set the gap between the electrodes, check the ignition spark, fix the spark plug to the cable terminal and put the hexagonal block on the spark plug to the exhaust.
Page 15: List Of Components
VIII. LIST OF COMPONENTS JIKOV ENGINES Spare parts supplied by the engine manufacturer: MOTOR JIKOV trading Lipenská 37 370 04 ČESKÉ BUDĚJOVICE Mail orders- Telephone 038/27801 Note: Tables include common parts for all engines. Position/s with * hold/s only for engine Model 1447 VAPE DV CE (and if mentioned in the note below the Table also for engine Model 1454 VAPE DV CE);...
Page 16 2. Crankcase Pos. JKPOV Ordering No. Part 627 832 019 003 626-2903 Crankcase sealing 482 010 155 831 101-5581 Bolt M 8x153 ČSN 426518.52 311 213 310 064 601-1605 Washer 6.4 ČSN 021733.05 311 120 114 060 180-0141 Nut M 6 ČSN 021401.25 obligatory order: crankcase-assembly: ordering no.: 960-3919 3.
Page 17 For engines 1453 ISKRA, 1454 VAPE For engines 1454 VAPE DV CE, 1447 VAPE DV CE...
Page 18 4. Air cleaner Pos. JKPOV Ordering No. Part 482 996 052 035 960-5205 Sleeve 482 060 655 036 606-5510 Air cleaner- lower part 482 994 619 033 946-1903 Cleaning insert 309 203 140 811 101-2536 Bolt M 8x12 ČSN 021103.25 311 210 211 084 354-0253 Washer 8.4 ČSN 021702.15...
Page 19 5. Exhaust silencer Pos. JKPOV Ordering No. Part 311 120 114 080 180-0185 Nut M 8 ČSN 021401.25 311 210 200 084 354-0253 Washer 8.4 ČSN 021702.15 309 332 000 000 102-0304 Bolt B 3,9x19 PN 021232.05 311 212 610 053 304-0254 Washer 4.3 ČSN 021726.15 482 030 203 034...
Page 20 6. Pneumatic governor Pos. JKPOV Ordering No. Part 309 231 140 811 101-1655 Bolt M 8x12 ČSN 021131.25 311 214 610 084 601-0804 Washer 8.4 ČSN 021746.05 482 993 039 034 930-3904 Regulation flap-Assembly 482 013 535 032 135-3502 Steering linkage 315 111 702 480 134-2501 Return spring of the regulator...
Page 21 7. Starter Pos. JKPOV Ordering No. Part 482 060 417 033 604-1703 Catcher 273 993 815 000 913-6501 Handle 482 091 332 035 913-3205 Starting cord A 4x1520 311 733 000 110 602-1517 Retaining ring 10 ČSN 022930 482 060 722 032 607-2202 315 116 159 370 134-2630...
Page 22 8. Clutch Pos. JKPOV Ordering No. Part 311 733 000 120 602-1502 Ring 12 ČSN 022930 482 993 741 033 937-4103 Clutch hub - Assembly 311 213 310 105 601-1608 Washer 10 ČSN 021733.05 311 150 115 100 130-0184 Nut M 10x1 ČSN 021401.55 482 993 726 033 937-2603 Clutch weight complete...
Page 23 9. Fuel system Pos. JKPOV Ordering No. Part 482 994 329 035 943-2905 Fuel tank + Cap 482 994 659 136 946-5916 Cooling mantle 846-1702 Plastic tank cap 482 060 913 031 609-1301 Handle (only for 1454 VAPE) 946-8604 Holder weldment 482 013 502 032 135-0202 Clip...
Page 24 10. Carburetter Pos. JKPOV Ordering No. Part 974-1718 Carburetter body-Complete assembly 974-1453 Carburetter body-Complete assembly 443 919 460 134 946-0134 Float complete assembly 443 919 340 113 934-0113 Needle valve complete assembly 443 919 341 602 934-1602 No-load run jet complete 443 915 702 803 720-2803 Bowden support...
Page 25 12. Ignition for 1453 ISKRA Pos. JKPOV Ordering No. Part 994-1710 Spark plug N 17 371 511 221 432 998-0404 Cable shoe OKS-14.3.G 994-2225 Flywheel magneto 304-0241 Washer 4.3 ČSN 021702.15 101-1657 Bolt M4x14 ČSN 021131.25 913-4308 Bushing 994-605 Condenser 998-1224 Contact 998-1309...
Page 26 12. Ignition for 1454 VAPE DV CE, 1447 VAPE DV CE Pos. JKPOV Ordering No. Part 371 511 221 432 998-0404 Cable shoe OKS-14.3.G 443 211 261 080 994-2222 Non-contact flywheel magneto 946-8604 Holder weldment 101-1331 Bolt M 4x12 ČSN 021151.25 994-0906 Electric switch VAPE Holder (part of the switch)
Page 27 Pos. Trading No. Part No. Name 3926 Engine assembly 1453 ISKRA 3922 engine assembly 1454 VAPE 3923 Engine assembly 1454 VAPE DV CE 3924 Engine assembly 1447 VAPE DV CE Engine JIKOV 1453 ISKRA Engine JIKOV 1454 VAPE Engine JIKOV 1454 VAPE DV CE Engine JIKOV 1447 VAPE DV CE 192 016 22 9 8040 024...
Page 28 Pos. Trading No. Part No. Name 3916 22 9 8078 037 Guide handlebars VR-02 192 010 22 9 8045 035 Carrier tube of handlebars-Weldment 192 011 22 9 8045 055 Complete handrail-Weldment 192 012 22 9 9016 010 Tightening nut 101 643 BVA-96 Safety ignition switch...
Page 29 Pos. Trading No. Part No. Name 3915 12 9 8565 086 Shock absorber TG-2 192 014 22 9 1436 006 Absorber yoke-Complete T 16437 Silentblok ULMER TECHNIK 192 015 22 9 8032 025 Absorber lug-Weldment ČSN 02 1143.55 Bolt M8x16 1512506 ČSN 02 1103.25 Bolt M6x14...
Page 30: Warranty Terms
(+420) 325 607 264 Libice nad Cidlinou (+420) 325 637 550 CZECH REPUBLIC E-mail: vari@vari.cz 289 07 internet: http://www.vari.cz/ http://techweb.vari.cz Address of the nearest service workshop will be provided by any outlet with VARI products or directly by VARI, a.s.