Valach VM 120 B2-4T Instruction Manual

Summary of VM 120 B2-4T

  • Page 1

    Toni clark practical scale gmbh instructions.

  • Page 2: Content

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 2 last revision: november 13th, 2015 content 3 specifications valach vm 120 b2-4t 4 engine application 4 description of the engine 4 fuel 5 mou...

  • Page 3

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com valach vm 120 b2-4t instructions 3 specifications valach vm 120 b2-4t design: four-stroke flat twin engine ohv, 2 valves per cylinder, petroil lubrication. Capacity: 120 ccm po...

  • Page 4

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 4 engine application the vm 120 b2-4t is intended to be used in model airplanes. Other applications are not permitted! Description of the engin...

  • Page 5

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com valach vm 120 b2-4t instructions 5 mounting the intake ram tube the loosely supplied intake ram tube , has to be mounted to the engine in any case! Without it, the engine runs ...

  • Page 6

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 6 mount the ignition protected against vibration into your model. Do not wrap the ignition cables with spiral tubing. This makes the cables hea...

  • Page 7

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com valach vm 120 b2-4t instructions 7 y-silencer vm-120 rear exhaust #7273 silencers the version with the y-intake and rear ex- haust develops the most power. Because of the optim...

  • Page 8

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 8 crankcase venting the tube on the crankcase venting is used to remove the surplus oil out of the engine. Do not extend the tube or reduce the...

  • Page 9

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com valach vm 120 b2-4t instructions 9 carburetor the loosely supplied intake ram tube , has to be mounted to the engine in any case! Without it, the engine runs too lean, also wit...

  • Page 10

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 10 it is a good idea to make a throttle linkage like the one showed above. The throttle valve will move slower on idle than on full throttle. A...

  • Page 11

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com valach vm 120 b2-4t instructions 11 propeller the best rpm range for the vm-120 is 4500 to 5000 rpm on the ground. Suitable fiala-2-blade propellers are: suitable fiala-3-blade...

  • Page 12

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 12 starting the engine to start the engine, pull on some working gloves. Never start the engine alone! Ask a reliable and strong person to hold...

  • Page 13

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com valach vm 120 b2-4t instructions 13 breaking-in the engine the engine is factory tested and pre adjusted. While breaking-in the engine the level of wear is increased. While bre...

  • Page 14

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 14 changing the spark plugs never tighten the spark plugs on a hot engine! The tension caused by the different cooling can damage the threat in...

  • Page 15

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com valach vm 120 b2-4t instructions 15 lubrication it makes sense to lubricate the engine when adjusting the valve gap. Use a off-road chain lube with a temperature range of at le...

  • Page 16: Appendix

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 16 appendix basics of petrol engines engine cooling to cool the engine, it is not necessary to cut big holes into the cowling, but you have to ...

  • Page 17

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com valach vm 120 b2-4t instructions 17 installation of the fuel tank it is better for the fuel tank to be built into the model at a level above that of the carburetor. The carbure...

  • Page 18

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 18 fuel tank connections make two air vents made with fuel tubing, fitted to two single sided nipples in the tanks topside, central at the rear...

  • Page 19

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com valach vm 120 b2-4t instructions 19 fuel tubing do not use transparent pvc-fuel tubing! This clear fuel tubing often fits neatly onto the nipples and seals nicely for a short w...

  • Page 20

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 20 the ignition cables are fixed with 8mm silicon tubing and cable ties. I cut the silicon tubing lengthwise, it prevents the ignition cables m...

  • Page 21

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com valach vm 120 b2-4t instructions 21 you can find this drawing in original size (scale 1:1) on www.Toni-clark.Com carburetor linkage to link the throttle valve, i drilled a 2mm ...

  • Page 22

    ©2015 toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke tel. 0049 5741/5035 fax. 05741/40338 www.Toni-clark.Com instructions valach vm 120 b2-4t 22.

  • Page 23

    Valach vm 120 b2-4t instructions 23 v m 1 20 b 2- 4t f ro nt v ie w , s ca le 1 :1.

  • Page 24

    Instructions valach vm 120 b2-4t toni clark practical scale gmbh zeiss-str.10 d-32312 lübbecke e-mail: reinsch@toni-clark.Com tel. 0049 (0) 5741/5035 fax. 0049 (0) 5741/40338 www.Toni-clark.Com.