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Summary of Contents for teching DM21

  • Page 1 • •...
  • Page 4 I - Ma k e ・R e a l  Mo d e l ・R e a l  Wo r l d...
  • Page 6 Precautions...
  • Page 8 C o n t e n t s Assembly instructions for two-wheeled steam train Boiler assembly Water tank assembly Main body P11. Chassis body Assembly of front bumper assembly P24. P25. Assembly of rear wheel shock absorber assembly P26. Assembly of cab chassis P28.
  • Page 10 TECHING Basic knowledge on standard parts assembly 1.Installation of screws (3)Screw installation order (1) Installation of screws Mount the screws diagonally Correct Wrong in order of number orientation orientation 1 5 3 4 6 2 (2)Degree of screw tightening 2.Installation of snap ring...
  • Page 11 TECHING 3.Installation of Bearing (2)Install the bearing onto the shaft (1)Install the bearing into the bearing seat hole Correct orientation Wrong orientation Check the orifice of bearing block Check the shaft end for chamfer and for chamfer and burr; apply a little burr;...
  • Page 12 TECHING Important note: before assembly, find 1.2 Assembly of circuit board the bottled lubricating oil, be sure to put enough oil in all the places that need to be lubricated, otherwise the machine is easy to get stuck Position indicator for lubricating oil 1...
  • Page 13 TECHING 2. Water tank assembly 2.2 Coal water tank closing plate assembly 2.1 Coal bin door cover assembly 087 Turn to the 12 o'clock direction as indicated by the arrow. 087 Turn to the 9 o'clock direction is closed as indicated by...
  • Page 14 TECHING 2.3 Assembly of flue rear cover and water tank 2.4 Assembly of boiler assembly and coal water tank closing plate assembly Note: The part shape and direction of 004 is as shown in the figure.
  • Page 15 TECHING 2.5 Assembly of water tank assembly 3.Main body 3.1 Installation of small flue...
  • Page 16 TECHING 3.2 Assembly of big flue 3.3 Assembly of flue middle cover Pay attention to the direction of the flange...
  • Page 17 TECHING 3.4 Assembly of front flue 3.5 Installation of left and right flue brackets Pay attention to the direction of the flange...
  • Page 18 TECHING 3.6 Assemble the driving cab...
  • Page 19 TECHING 3.7 Assembly of flue front cover assembly 3.8 Assembly of flue front cover plate assembly Note: Installation position of 088...
  • Page 20 TECHING 4. Chassis body 4.2 Reversing connecting rod assembly 4.1 Assembly of ventilating valve assembly Small hole end Lubricant(2 positions) Note: Part Lubricant(4 arc direction positions) 044 must be screwed in all the way to the end Please pay attention to the directions of 067/069.
  • Page 21 TECHING 4.3 Assembly of ventilating valve assembly and 4.4 Synchronizing wheel combination reversing connecting rod assembly (006)与(069) 注意方向,左右旋 转安装注意轴向对 齐,如图所示 Lubricant(1 positions) Lubricant(8 positions)
  • Page 22 TECHING 4.5 Assembly of motor assembly 4.6 Assembly of motor assembly Note: The motor (065) should be aligned with the shape of the rear cross beam (009) , as shown in the figure During installation, a gap must be reserved between...
  • Page 23 TECHING 4.7 Assembly of left longitudinal beam assembly 4.8 Assembly of right longitudinal beam assembly Lubricant(2 positions) (Fourth sets in total) Lubricant(2 positions) Note:The (071) boss faces outward. Lubricant(2 positions) Note:The (071) boss faces outward.
  • Page 24 TECHING Assemble the right longitudinal beam 4.10 Assembly of main shaft of driving wheel and the rear cross beam Lubricant(4 positions) Pay attention to the directions of the screw hole and the arc...
  • Page 25 TECHING 4.11 Assembly of cam synchronizing wheel Then install 058 onto the shaft (059) The small end of 075 must be inserted into the hole of 074, and the big end must face outwards...
  • Page 26 TECHING 4.12 Assemble the eccentric wheel 4.13 Assembly of driving connecting rod Lubricant(2 positions)
  • Page 27 TECHING 4.14 Assembly of left longitudinal beam assembly 4.15 Testing of ventilating valve Battery After connecting the motor and the switch plug, check for driving normally.
  • Page 28 TECHING 4.16 Assembly of middle support beam 4.17 Assembly of middle driving connecting rod Lubricant(1 positions) The boss of 066 and the counterbore of 038 are on the same side Two sets in total...
  • Page 29 TECHING 4.18 Assembly of piston rod guide shaft 4.19 Assembly of cylinder Two sets of toothed holes face the same direction Two sets in total Two sets in total...
  • Page 30 TECHING 4.20 Assembly of piston 4.21 Assembly of cylinder front cover The screw hole faces upwards Note: 042 has direction requirements, so make Lubricant(3 positions) sure to align with the 4 holes of 007 and then tighten the screws 沉头孔朝外...
  • Page 31 TECHING 4.22 Assembly of driving wheel 4.23 Assembly of piston rod assembly Note: The screw hole faces upwards The counterbore faces outwards Lubricant(2 positions) Note: The screw hole faces upwards Two sets in total...
  • Page 32 TECHING 4.24 Assembly of gas valve The 4 screws on the bottom side also need to be tightened...
  • Page 33 TECHING 4.25 Testing of piston rod assembly 5.Assembly of front bumper assembly Battery After connecting the motor and the switch plug, check for smooth driving.
  • Page 34 TECHING 6. Assembly of rear wheel shock absorber assembly Lubricant(2 positions)
  • Page 35 TECHING 7.Assembly of cab chassis The counterbore faces upwards...
  • Page 36 TECHING The side with the wide notch faces upwards...
  • Page 37 TECHING 8. Assembly of front wheel shock absorber assembly Lubricant(2 positions) (Two sets in total)
  • Page 38 TECHING Lubricant(1 positions)
  • Page 39 TECHING 9. Assembly of front wheel shock absorber assembly 10. Assembly of cab chassis and chassis body and chassis body...
  • Page 40 TECHING Note: All sockets of the circuit board must be connected correspondingly. 11. Assembly of chassis body and main body Chassis body Main body Motor cable outlet Sensing cable Switch Charging cable cable Charging Motor Switch Charging Switch...
  • Page 41 TECHING...
  • Page 42 TECHING Note:Insert (089) into the hole in (056), and then mount the screws below.
  • Page 43 TECHING Flue front cover plate assembly...
  • Page 44 TECHING Front shock absorber assembly...
  • Page 45 TECHING Cab assembly...
  • Page 46 TECHING Be careful not to press the sensor head. Only need to tighten the screws slightly. The sensor head should stick out as much as possible, and the surfaces with chamfer angles on both sides of the sensor head should face outward.
  • Page 47 TECHING (Assembly of two-wheeled steam train completed)
  • Page 48 TECHING Charging precautions: Observation point of the charging indicator 1 > This product is equipped with a dedicated charging cable. User-supplied power adapter, Its output DC voltage needs 5V, and its output DC current is not less than 1000mA. Do not use an adapter higher than 6V to charge the product;...
  • Page 49 TECHING 12. Rail assembly (giveaway) First assemble all the large and small sleepers and just tighten the screws to half the full engagement depth.
  • Page 50 TECHING Assembly instructions: 1. First put the linear rail into four sets of small sleepers a set of large sleepers. Must hang the hanging platforms of all the pressure blocks on the linear rails. 2. Then tighten the screws at both ends to ensure that the linear rails are flush with the small sleepers.
  • Page 51 TECHING When installing two linear rails to be butted, make sure to pay attention to the connection smoothness of these two linear rails. You can feel it by hand or check it with an object with a straight edge. For each set of linear rails, tighten the screws at both ends, and then arrange the middle three sets of small sleepers properly to tighten the screws.
  • Page 52 TECHING The long side of the magnet faces the same direction as the rail Two sets in total Install the assembled magnet components to the position as indicated by the arrow. Please note that the long side of the magnet (111) is in the same...
  • Page 53 TECHING Must pay attention to the directions of the magnet (111) and the locomotive1 Assembly completed...
  • Page 54 TECHING Troubleshooting Motion is exceptional after assembly. First check whether t h e r e l e v a n t m o v i n g p a r t s a r e c o a t e d w i t h l u b r i c a t i n g oil as shown in the figure, and then check the assembly sequence one by one according to the instructions;...
  • Page 55 Solution: Check if the round plug of Teching's special c h a r g i n g c a b l e a n d t h e c h a r g i n g p l u g o f t h e Charge the product with a standard USB charger.
  • Page 56 019) is not in the correct position. Solution: Solutions: Use TECHING dedicated charging cable to charge Remove the bottom case of the circuit board, insert the product. The red light is on when charging, and the charging plug in the correct position, and then the blue light is on when fully charged.
  • Page 57 TECHING Motor (serial number 065) plug position is Mechanical causes the motor does not turn not correct. Solution: Solutions: Remove the motor from the mount and test if the motor can run smoothly. As shown in Figure 2-2 P l e a s e c h e c k t h e m o t o r ( s e r i a l n u m b e r 0 6 5 ) position is correct or not (refer to page 3 of the manual for details);...
  • Page 58 TECHING 3 When the train runs back and forth, it will rush out of the track. The sensor head does not detect the magnet Solution: Please check whether the installation position of the sensor head is aligned with the magnet on the track, a n d t h e s u r f a c e o f t h e s e n s o r h e a d s h o u l d f a c e t h e magnet.
  • Page 59 TECHING 4 other The sensor head is not plugged in Solutions: If the above solutions can not solve the problem, please consult Our after- Check if the plug and socket of the sensor sales support or return to factory for head are plugged in;...
  • Page 60 TECHING Product Product Product name Qty. Product name Qty. picture picture Front flue Rear beam Bottom cover Big flue plate Left bottom plate Boiler Right bottom plate Water tank Roof Front 4-wheel beam Left cab plate Ventilating valve Right cab plate...
  • Page 61 TECHING Product Product Product name Qty. Product name Qty. picture picture Right longitudinal Battery pack beam Cab bottom plate Power switch Round charging plug Flue rear cover Front roof plate Rear bottom plate Coal water tank Chimney closing plate Flue middle...
  • Page 62 TECHING Product Product Product name Qty. Product name Qty. picture picture Connecting rod Rear wheel connector Cylinder front Coal bin door cover cover Main shaft of front Driving wheel and rear wheels Rod of reversing Front wheel block Damping spring of...
  • Page 63 TECHING Product Product Product name Qty. Product name Qty. picture picture Eccentric Piston gear Cover of eccentric Rear cover of cylinder gear Piston rod guide shaft Main shaft of driving wheel Piston rod Driven wheel shaft Damping spring of Left and right springs...
  • Page 64 TECHING Product Product Product name Qty. Product name Qty. picture picture Starting motor -M3 thread with D shaft, Rear wheel bracket 100 rpm Front connecting Clip of synchronizing shaft of driving rod wheel Ventilation adjusting Limiting shaft of shaft synchronizing wheel...
  • Page 65 TECHING Product Product Product name Qty. Product name Qty. picture picture Steam tube Front beam Limit block of Fixing plate of synchronizing gear 4 front wheels of motor Middle support Small sleeper beam Big sleeper Motor fixing block Timing belt...
  • Page 66 TECHING Product Product Product name Qty. Product name Qty. picture picture M3 snap ring CM2.5X16 M6 snap ring Flat head M2.5X10 Locking spring of the Inner hexagon M2X16 front cover of smoke pipe Pressure block of Inner hexagon M2X22M2X22 sensor head...
  • Page 67 TECHING Product Product name Qty. picture M2.5 nut Battery 0 Inside diameter of O-ring14X2mm Φ4.5 gasket Φ4.5*φ10*0.8 φ7Xφ4X2.5 bearing...
  • Page 68 TECHING...
  • Page 71 Inspection No.:...