O.S. Engine max-12TZ series Owner's Instruction Manual

Other manuals for max-12TZ series: Owner's Instruction Manual

Summary of max-12TZ series

  • Page 1

    It is of vital importance, before attempting to operate your engine, to read the general 'safety instructions and warnings' section on pages 2-5 of this booklet and to strictly adhere to the advice contained therein. ● also, please study the entire contents of this instruction manual, so as to famil...

  • Page 2: Warnings

    2 ! ! Remember that your engine is not a "toy", but a highly efficient internal- combustion machine whose power is capable of harming you, or others, if it is misused. As owner, you, alone, are responsible for the safe operation of your engine, so act with discretion and care at all times. If at som...

  • Page 3: Notes

    4 ! This engine is intended for model cars. Do not attempt to use it for any other purpose. Mount the engine in your model securely, following the manufacturers' recommendations, using appropriate screws and locknuts. Install an effective silencer (muffler). Frequent close exposure to a noisy exhaus...

  • Page 4

    6 piston cylinder liner crankshaft engine construction with this engine, the piston will feel tight at the top of its stroke (tdc) when the engine is cold. This is normal. The cylinder bore has a slight taper. The piston and cylinder are designed to achieve a perfect running clearance when they reac...

  • Page 5

    8 standard accessories glow plug p6 t-type head (turbo head) 1piece exhaust seal ring 1piece (hot type) about the engine note these engines are rear exhaust engines designed expressly for 1/10 class r/c touring cars and stadium trucks. T-type p6 plus is supplied with the engine. Also, dual adjustabl...

  • Page 6

    10 fuel pump for filling the fuel tank, a simple, polyethylene "squeeze" bottle, with a suitable spout, is required. Silicone fuel line heatproof silicone tubing of approx. 5mm o.D. And 2mm i.D. Is required for the connection between the fuel tank and engine. 7.2v batteries for starter box batteries...

  • Page 7

    12 install the exhaust seal ring supplied. Exhaust seal ring glowplug installation of the standard accessories installing the glow plug. Insert p6 plug supplied into heatsink-head care- fully, making sure that it is not cross-threaded before tightening firmly. (all the o.S. T-type plugs including th...

  • Page 8

    14 since the compatibility of the glowplug and fuel may have a marked effect on performance and reliability, it is suggested to use the o.S. P6 plug when it is necessary to replace. Carefully install plug finger-tight, before final tightening with the correct size plug wrench. Glowplug the role of t...

  • Page 9

    16 starting the engine & running-in ('breaking-in) pressurized fuel system ! Before starting the engine, always check the tightness of all the screws and nuts especially those of joint and movable parts such as throttle arm. Missing retightening the loose screws and nuts often causes the parts break...

  • Page 10

    18 turn the engine with starter box to draw he fuel into the engine. Fuel deliver fuel into the carburetor. Fuel tank side now connect glowplug battery lead to heat the plug filament and start the engine. When the engine starts, first allow it to operate in short runs at the very rich starting setti...

  • Page 11

    20 final adjustment throttle stop screw needle valve metering needle open close close open needle valve metering needle more fuel less fuel more fuel less fuel run the vehicle (with throttle fully open) over the longest available straight course, in order to observe the model's speed. Next return th...

  • Page 12

    22 if the engine runs too fast with the throttle closed, the throttle stop screw should be turned counter-clockwise to allow the throttle opening to be reduced. Finally, beyond the nominal break-in period, a slight readjustment toward a leaner needle setting may be required to maintain maximum perfo...

  • Page 13

    24 care and maintenance 1. 2. 3. The minute particles of foreign matter, that are present in any fuel may, by accumulating and partially obstructing fuel flow, cause engine performance to become erratic and unreliable. O.S. 'super-filters' (large and small) are available, as optional extras, to deal...

  • Page 14

    26 trouble shooting symptom cause corrective action engine fails to fire. Fuel tank is empty. Fuel not reaching the engine. Fill the tank with fuel and repeat priming procedure. Glowplug element is burnt out. Glowplug battery discharged replace glowplug. Recharge or replace the battery. Clogged fuel...

  • Page 15

    28 symptom cause corrective action symptom cause corrective action unstable idle unsuitable glowplug use suggested glowplug in the instructions. Unsuitable fuel do not use extremely high nitro or low oil content fuel. Extremely light flywheel add suitable load. Silencer is disconnected or has play i...

  • Page 16

    30 max-12tz (p)-t3 engine exploded view type of screw c...Cap screw m...Oval fillister-head screw f...Flat head screw n...Round head screw s...Set screw c.M3x16 1 2 3 5 4 6 7 8 9 10 11 12 14 13 15 c.M2.6x7 31 max-12tz (p)-t3 engine parts list the specifications are subject to alteration for improvem...

  • Page 17

    32 11h carburetor exploded view type of screw c...Cap screw m...Oval fillister-head screw f...Flat head screw n...Round head screw s...Set screw s.M3x3 1 1-1 1-2 2 2-1 2-2 3 4 8 9 10 5 6 7-1 7 3-1 3-1 4-1 11 33 1 1-1 1-2 2 2-1 2-2 3 3-1 4 4-1 5 6 7 7-1 8 9 10 11 21982600 27881820 22781800 21982970 2...

  • Page 18

    34 max-12tz (p)-t5 engine exploded view type of screw c...Cap screw m...Oval fillister-head screw f...Flat head screw n...Round head screw s...Set screw c.M3x16 1 2 3 5 4 6 7 8 9 10 11 12 14 13 15 c.M2.6x7 35 max-12tz (p)-t5 engine parts list the specifications are subject to alteration for improvem...

  • Page 19

    36 11h (b) carburetor exploded view type of screw c...Cap screw m...Oval fillister-head screw f...Flat head screw n...Round head screw s...Set screw s.M3x3 1 1-1 1-2 2 2-1 2-2 3 4 8 9 10 5 6 7-1 7 3-1 3-1 4-1 11 37 the specifications are subject to alteration for improvement without notice. 11h (b) ...

  • Page 20

    38 racing engine parts (72106420) (72106172) (72106172) (72103051) (72103056) (72103071) (72103076) (72106400) (72106172) (72106410) (72106172) (72106310) (22826140) (72106311) (72106042) (72106320) (22826140) (72106321) (72106042) (71641600) p6 (71641700) p7 (71641800) p8 m1001 m1010 (72103180) t-1...

  • Page 21

    40 2.11 cc (0.128 cu.In.) 13.8 mm (0.543 in.) 14.0 mm (0.551 in.) 5,000-40,000 r.P.M. 1.5 ps / 33,500 r.P.M. 224.5g (7.92 oz.) ■ ■ ■ ■ ■ ■ japan japan unef1/4-28 25.4 39 77.2 15.1 34.8 29.5 11 31.4 4- 3.3 2.11 cc (0.128 cu.In.) 13.8 mm (0.543 in.) 14.0 mm (0.551 in.) 5,000-40,000 r.P.M. 1.62 ps / 34...