teching Craftsman DM17-S-T Product Description
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teching Craftsman DM17-S-T Product Description

Single-cylinder engine (overhead camshaft type)
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组 装 手 册
PRODUCT DESCRIPTION

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  • Page 1 组 装 手 册 PRODUCT DESCRIPTION...
  • Page 2 Product name: Single-cylinder engine (overhead camshaft type) Product model: DM17-S-T Main materials: anodic aluminum oxide + stainless steel Charging voltage: 10-20V DC Battery capacity: 400mAh*2 Assembly difficulty: Product standards: GB/T9254-2008 GB/T17626.2-2006 Quality grade: A...
  • Page 3 Assembly instructions for Teching Craftsman “Teching Craftsman” is a metallic assembly model other than a toy for playing only. It serves to improve hands-on skills of children and youngsters, and let them learn common industrial knowledge mainly. By keeping using our products, the user can reach the goal of assembly –...
  • Page 4 Safety Tips 1.Some safety awareness is required to use this product, and improving safety awareness is also one of the functions of this product; 2.This product is not intended for children below 8 years, and adult guidance on assembly is recommended for children below 10 years;...

  • Page 5: Table Of Contents

    Contents I. Basic knowledge on standard parts assembly………………1 II. Assembly instructions…………………………………..………3 1. Piston and connecting rod mechanism…………..…….…3 2. Crankshaft assembly ……………………………………..…6 3. Cylinder head assembly…………………………………….14 4. Camshaft, cylinder block and cylinder head assembly...18 5. Camshaft gear mechanism…………………………….…..21 6. Circuit system……………………………………………….25 7.

  • Page 6: Basic Knowledge On Standard Parts Assembly

    I. Basic knowledge on standard parts assembly 1. Mounting of screws Right Rong 2. Mounting sequence of screws Mount the screws diagonally in order of number.
  • Page 7 3.The method of installation of circlip Yes(T) NO(F) parallel push Oblique push 4. Lubricant mark Where this mark is shown, it is recommended to apply create to improve mechanical performance.

  • Page 8: Assembly Instructions

    II. Assembly instructions 1. Piston and connecting rod mechanism 1.1 Connection between piston and connecting rod Piston (023) Connecting (020) 1.2 Mounting of piston pin Piston pin (022) Piston (023)
  • Page 9 1.3 Mounting of snap ringAs shown below, insert the snap rings into the snap ring slots on both ends of the piston pin. Piston pin (022) Snap ring (053)
  • Page 10 1.4 Connection between connecting rod and crankshaft Piston Assembly (007) 1.5 Mounting of connecting rod bearing Connecting rod bearing (021) screw (060)

  • Page 11: Crankshaft Assembly

    (Assembly completed) 2. Crankshaft assembly 2.1 Assembly of oil pump turbine Oil pump turbine (024) Turbine shaft (038)
  • Page 12 2.2 Connection of oil tank Oil pump turbine (024) Oil pump tank Front cover of crankcase (001) 2.3 Mounting of end cap of oil pump screw End cap of (059) oil pump (039)
  • Page 13 2.4 Mounting of carrier gear shaft Carrier gear shaft (037) Shaft hole (Assembly and connection within front cover completed)
  • Page 14 2.5 Mounting of carrier gear and oil pump gear Front cover of crankcase (001) Carrier gear (042) Oil pump gear (041) 2.6 Mounting of snap ring Lubricant (2 positions) Snap ring (053)
  • Page 15 2.7 Mounting of starting motor Rear cover of crankcase (002) Starting M1.6 motor screw (016) (062) (Assembly and connection within rear cover completed)
  • Page 16 2.8 Connection between crankshaft and rear cover of crankcase Lubricant (3 positions) Rear cover of crankcase (002) Bearing Cranks haft (007) 2.9 Mounting of locating pin Locating pin (057) Locating pin hole...
  • Page 17 Locating pin (057) Rear cover of crankcase (002) Locating pin (057) 2.10 Assembly of crankcase Front cover of crankcase (001) Locating pin (057) Crankshaft (007)
  • Page 18 2.11 Mounting of connecting screws screw (058) (Assembly of crankcase completed)

  • Page 19: Cylinder Head Assembly

    3. Cylinder head assembly 3.1 Mounting of valves Valve cover (031) Cylinder head (008) Valve (032) 3.2 Mounting of valve springs and valve caps Valve cap (030) Valve spring (028)
  • Page 20 3.3 Mounting of spark plug Spark plug (025) Cylinder head (008) 3.4 Combination of timing pulleys Cam timing base (012) Cam timing pulley (013) Cam timing screw cover pulley (060) (010)
  • Page 21 3.5 Mounting of key (056) Camshaft (026) 3.6 Assembly of camshaft Camshaft (026) Cam timing pulley base screw (012) (059)
  • Page 22 3.7 Connection of camshaft and cylinder head screw (061) Camshaft cover Lubricant (2 (029) positions) 3.8 Mounting of exhaust pipe Pipe fixing base (036) Exhaust screw pipe (019) (059) Cylinder head Intake (008) pipe (018)

  • Page 23: Camshaft, Cylinder Block And Cylinder Head Assembly

    (Assembly and connection of cylinder assembly completed) 4. Combination of camshaft, cylinder block and cylinder head assembly 4.1 Mounting of cylinder block Cylinder block (009) Crankcase...
  • Page 24 4.2 Mounting of connecting screws Cylinder block (009) Crankcase screw (059) 4.3 Mounting of locating pin Locating pin (057) Locating pin hole Cylinder block (009)
  • Page 25 4.4 Connection of cylinder head assembly screw (059) Locating pin (057) Cylinder block (009) (Assembly completed)

  • Page 26: Camshaft Gear Mechanism

    5. Crankcase gear mechanism 5.1 Mounting of key Crankcase Crankshaft (056) (007) 5.2 Mounting of crankshaft gear Crankshaft Crankshaft gear (043) (007)
  • Page 27 5.5 Inspection of gear turning Turn the crankshaft to check the Crankshaft clearance (007) 5.6 Mounting of crankshaft pulley Crankshaft Crankshaft timing pulley pulley (044) (046)
  • Page 28 5.7 Mounting of base of crankshaft timing pulley and crankshaft Base of crankshaft timing pulley (045) screw (059) Crankshaft cap (047) (Mounting completed)
  • Page 29 5.8 Mounting of flywheel Crankshaft Flywheel (007) (015) screw (059) 5.9 Mounting of starting gear and gear cover Starting Starting motor gear screw (016) (040) (063) (054) Gear cover (027)

  • Page 30: Circuit System

    Gear cover (027) Flywheel (015) (Assembly and connection completed) 6. Mounting of circuit system 6.1 Mounting of circuit board Circuit board (005) screw (061) Battery compartment...
  • Page 31 6.2 Mounting of battery pack and power switch Battery pack (004) Switch Power switch notch (006) 6.3 Connection of circuit sockets Charging socket Battery Switch Motor socket socket socket...
  • Page 32 6.4 Mounting of battery cover screw (059) Battery cover (003) (Mounting of circuit system completed)

  • Page 33: Generator Assembly

    7. Generator assembly 7.1 Generator assembly Generator M1.6 Gener rear cover screw Generator ator (049) (062) front cover (014) (011) 7.2 Mounting of connecting screws screw (059)
  • Page 34 7.3 Mounting of pulley Generator (055) pulley (048) (Generator assembly completed)
  • Page 35 7.4 Combination of crankcase and generator assembly Crankcase screw (063)
  • Page 36 7.5 Mounting of generator belt Generator pulley (048) Generator belt (033) Crankshaft pulley (044) (Generator assembly completed)

  • Page 37: Mounting Of Timing Belt (Timing Mechanism)

    8. Mounting of timing belt (timing mechanism) 8.1 Removal of crankshaft timing base Cranks haft cap (047) Crankshaft timing base (045) 8.2 Connection of timing belt timing pulley (013) Timing belt (017)
  • Page 38 8.3 Timing adjustment of camshaft Timing line of Centerline cam timing of bearing base 8.4 Timing adjustment of crankshaft – Align the timing points on the crankshaft timing base and the crankcase. Timing point of crankcase Timing point of crankshaft timing base...
  • Page 39 8.5 Mounting of crankshaft timing base and crankshaft cap Crankshaft cap (047) screw (059) Crankshaft timing base (045) Note: When the timing belt is mounted, the upper and lower marks must be aligned! (Mounting of timing belt completed)

  • Page 40: Guide Pulley Mechanism

    9. Guide pulley mechanism 9.1 Assembly of guide wheel assembly screw Guide wheel (052) (050) Guide wheel shaft (051) Stand of guide Stand of wheel (right) guide wheel (034) (left) (035)
  • Page 41 9.2 Combination of guide wheel and crankcase Guide screw wheel (059) stand...
  • Page 42 Guide wheel assembly Overall engine assembly completed...
  • Page 43 Signature If you have completed assembly successfully, you can record your time of completion and sign your name here.

  • Page 44: Adjustment Of Single-Cylinder Engine

    III. Adjustment of single-cylinder engine 1. Fitting clearances Pay attention to fitting clearances among moving parts. The user is encouraged to adjust clearances slightly using, for example, sandpaper and calipers, based on his/her own observations and judgments. The main parts are as follows: 1.1 Crankshaft and related moving parts 1.2 Camshaft and related moving parts 1.3 Starting motor and related moving parts...

  • Page 45: Basic Structure And Features Of Single-Cylinder Engine

    IV. Basic structure and features of single-cylinder engine Camshaft Valve Piston Connecting rod Timing Crankshaft belt Compared to multi-cylinder engines with the same displacement, a single-cylinder engine works on a set of machine parts only, so the inertial force of the moving parts cannot be offset, resulting in high vibration.
  • Page 46 When an engine is in a transversal arrangement, the gyroscopic effect of the rotating crankshaft will prevent the motorcycle from tilting laterally to turn; the heavier the crankshaft is, the greater such resistance will be. Since a single-cylinder engine has a short crankshaft, its gyroscopic effect is much weaker, it can tilt laterally leftward or rightward easily, and the driver will feel that the steering handle is very light.

  • Page 47: Basic Principle Of Piston Engine

    V. Basic principle of piston engine 1. Piston moving down → taking in air and gasoline; 2. Piston moving up → compressing the mixture; 3. Piston moving down → igniting the compressed gas; which burns and expands to drive the piston; 4.
  • Page 48 Product Product name Qty. picture Front cover of crankcase Rear cover of crankcase Battery cover Battery pack Circuit board Switch Single-cylinder crankshaft Cylinder head Cylinder block Cam timing cover Generator front cover Cam timing base...
  • Page 49 Cam timing pulley Generator Flywheel Starting motor Timing belt Intake pipe Exhaust pipes Crankshaft connecting rod Connecting rod bearing Piston pin Piston Oil pump turbine...
  • Page 50 Spark plug Camshaft Gear cover Valve spring Camshaft cover Valve cap Valve cover Valve Generator belt Stand of guide wheel (right) Stand of guide wheel (left) Pipe fixing base...
  • Page 51 Carrier gear shaft Turbine shaft End cap of oil pump Starter gear Oil pump gear Carrier gear Crankshaft gear Crankshaft pulley Crankshaft timing base Crankshaft timing pulley Crankshaft cap Generator pulley...
  • Page 52 Generator rear cover Guide wheel Guide wheel shaft M3X16 Snap ring M3 nut M4 nut Key 3X3X6 Locating pin M3X12 M3X6 M3X10...
  • Page 53 M2X5 M1.6X4 M3X8...

  • Page 54: Parts List Of Single-Cylinder Engine

    User Feedback Form Username: Contact information: User address: 1. Thank you very much for experiencing our assembly model product. In order to further improve our product quality, and enhance user experiences, we strongly expect your valuable comments and suggestions; 2. We will take your comments and suggestions seriously, and expect to see a change made for you in our future products;...

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