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4.1 Assembly of ventilating valve assembly

006

054

044

4. Chassis body

044 must be screwed in

all the way to the end

Small hole end

Note: Part

arc direction

Please pay attention to

the directions of

067/069.

As shown in the figure,

these 2 sets have

different directions.

067

069

105

058

072

104

040

4.2 Reversing connecting rod assembly

TECHING

Lubricant(2 positions)

Lubricant(4

positions)

Summary of Contents for DM21

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Page 2: ...3 R...

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Page 6: ...Precautions...

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Page 8: ...bumper assembly P25 Assembly of rear wheel shock absorber assembly P26 Assembly of cab chassis P28 Assembly of front wheel shock absorber assembly P30 Assembly of front wheel shock absorber assembly a...

Page 9: ......

Page 10: ...Installation of snap ring 1 Installation of screws 3 Screw installation order Correct orientation Mount the screws diagonally in order of number Push in the snap ring in parallel Correct orientation S...

Page 11: ...lubricating oil onto side face of shaft Installation point align the bearing and mount it to the final position pressure is applied to the outer race of bearing Check the shaft end for chamfer and bur...

Page 12: ...003 114 016 1 2 Assembly of circuit board 016 095 Plug the battery plug in the circuit board Circuit board identification diagram Important note before assembly find the bottled lubricating oil be su...

Page 13: ...door cover assembly 2 2 Coal water tank closing plate assembly 105 087 034 77 099 029 102 087 Turn to the 12 o clock direction as indicated by the arrow 087 Turn to the 9 o clock direction is closed...

Page 14: ...5 027 004 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 T...

Page 15: ...6 095 037 3 1 Installation of small flue 3 Main body 2 5 Assembly of water tank assembly TECHING R...

Page 16: ...7 002 095 030 095 3 2 Assembly of big flue 3 3 Assembly of flue middle cover Pay attention to the direction of the flange TECHING R...

Page 17: ...8 001 095 063 064 098 098 3 5 Installation of left and right flue brackets 3 4 Assembly of front flue Pay attention to the direction of the flange TECHING R...

Page 18: ...9 095 095 015 014 005 028 3 6 Assemble the driving cab TECHING R...

Page 19: ...10 031 032 088 105 102 100 077 107 3 7 Assembly of flue front cover assembly 3 8 Assembly of flue front cover plate assembly Note Installation position of 088 TECHING R...

Page 20: ...all the way to the end Small hole end Note Part arc direction Please pay attention to the directions of 067 069 As shown in the figure these 2 sets have different directions 067 069 105 058 072 104 0...

Page 21: ...12 065 046 048 4 3 Assembly of ventilating valve assembly and reversing connecting rod assembly 4 4 Synchronizing wheel combination 006 069 TECHING R Lubricant 8 positions Lubricant 1 positions...

Page 22: ...assembly Note The motor 065 should be aligned with the shape of the rear cross beam 009 as shown in the figure 095 095 090 090 046 4 6 Assembly of motor assembly During installation a gap must be res...

Page 23: ...t longitudinal beam assembly 4 8 Assembly of right longitudinal beam assembly 096 061 071 062 Note The 071 boss faces outward Note The 071 boss faces outward Fourth sets in total TECHING R Lubricant 2...

Page 24: ...the right longitudinal beam and the rear cross beam 095 095 025 Pay attention to the directions of the screw hole and the arc 059 059 049 4 10 Assembly of main shaft of driving wheel TECHING R Lubric...

Page 25: ...16 075 074 085 047 4 11 Assembly of cam synchronizing wheel The small end of 075 must be inserted into the hole of 074 and the big end must face outwards Then install 058 onto the shaft 059 TECHING R...

Page 26: ...17 049 060 4 12 Assemble the eccentric wheel 4 13 Assembly of driving connecting rod TECHING R Lubricant 2 positions...

Page 27: ...18 095 095 After connecting the motor and the switch plug check for driving normally Battery 4 15 Testing of ventilating valve 4 14 Assembly of left longitudinal beam assembly TECHING R...

Page 28: ...sembly of middle support beam 101 052 041 066 105 038 4 17 Assembly of middle driving connecting rod The boss of 066 and the counterbore of 038 are on the same side Two sets in total TECHING R Lubrica...

Page 29: ...20 050 051 095 007 103 4 19 Assembly of cylinder 4 18 Assembly of piston rod guide shaft Two sets of toothed holes face the same direction Two sets in total Two sets in total TECHING R...

Page 30: ...o check if it is smooth The counterbore faces outwards The counterbore faces outwards Two sets in total Two sets in total 4 21 Assembly of cylinder front cover 095 007 042 Note 042 has direction requi...

Page 31: ...on rod assembly 4 22 Assembly of driving wheel 105 035 039 076 068 105 101 Note The screw hole faces upwards Note The screw hole faces upwards The counterbore faces outwards TECHING R Lubricant 2 posi...

Page 32: ...23 101 056 055 4 24 Assembly of gas valve The 4 screws on the bottom side also need to be tightened 103 TECHING R...

Page 33: ...24 5 Assembly of front bumper assembly 4 25 Testing of piston rod assembly 070 061 097 086 078 081 098 After connecting the motor and the switch plug check for smooth driving Battery TECHING R...

Page 34: ...25 106 073 045 008 080 043 053 115 033 105 6 Assembly of rear wheel shock absorber assembly 053 115 105 TECHING R Lubricant 2 positions...

Page 35: ...26 105 053 053 033 115 053 095 026 7 Assembly of cab chassis The counterbore faces upwards TECHING R...

Page 36: ...27 095 012 095 020 011 The side with the wide notch faces upwards TECHING R...

Page 37: ...28 019 018 105 036 013 053 8 Assembly of front wheel shock absorber assembly 115 043 053 115 036 105 Two sets in total TECHING R Lubricant 2 positions...

Page 38: ...29 115 082 079 045 106 TECHING R Lubricant 1 positions...

Page 39: ...30 095 095 10 Assembly of cab chassis and chassis body 9 Assembly of front wheel shock absorber assembly and chassis body TECHING R...

Page 40: ...nd main body 021 089 023 022 Note All sockets of the circuit board must be connected correspondingly Chassis body Main body Motor cable outlet Switch cable Sensing cable Charging cable Charging Switch...

Page 41: ...32 098 098 TECHING R...

Page 42: ...33 Note Insert 089 into the hole in 056 and then mount the screws below 095 TECHING R...

Page 43: ...34 Flue front cover plate assembly 095 TECHING R...

Page 44: ...35 Front shock absorber assembly 098 TECHING R...

Page 45: ...36 Cab assembly 095 095 TECHING R...

Page 46: ...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 h...

Page 47: ...38 Assembly of two wheeled steam train completed TECHING R...

Page 48: ...ter 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 2 For other precautions please refer to the second item...

Page 49: ...40 113 113 094 092 112 094 091 112 First assemble all the large and small sleepers and just tighten the screws to half the full engagement depth 12 Rail assembly giveaway TECHING R...

Page 50: ...pers 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 3 Evenly ar...

Page 51: ...ntion 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 th...

Page 52: ...the magnet faces the same direction as the rail 110 109 111 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...

Page 53: ...44 Assembly completed Must pay attention to the directions of the magnet 111 and the locomotive1 TECHING R...

Page 54: ...an them off Motion is exceptional after assembly First check whether the relevant moving parts are coated with lubricating oil as shown in the figure and then check the assembly sequence one by one ac...

Page 55: ...Figure 1 2 2 TECHING R 1 Charging failure Charger does not match Solution Charge the product with a standard USB charger The charger requires an output of 5V 1A inclusive or more Use the USB head of T...

Page 56: ...light remains bright when fully charged As shown in Figure 1 3 3 2 The motor does not turn The battery is dead Solution Use TECHING dedicated charging cable to charge the product The red light is on...

Page 57: ...ding to the mechanical troubleshooting method 2 Motor serial number 065 plug position is not correct Solutions Please check the motor serial number 065 position is correct or not refer to page 3 of th...

Page 58: ...he 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 and the surface of the sensor hea...

Page 59: ...igure 3 2 2 The correct motor socket is at the board interface position in the red circle Sensor socket TECHING R 4 other If the above solutions can not solve the problem please consult Our after sale...

Page 60: ...valve Cylinder Rear shaft hub bracket Rear beam Bottom cover plate Left bottom plate Right bottom plate Front 4 wheel beam Left cab plate Right cab plate 002 003 004 005 006 007 008 009 010 011 012 0...

Page 61: ...gitudinal beam Cab bottom plate 017 018 019 020 021 022 023 025 024 026 1 1 1 1 1 1 1 1 1 1 027 1 1 1 1 1 1 Flue rear cover Front roof plate Coal water tank closing plate Flue middle cover Flue front...

Page 62: ...1 Cylinder front cover Main shaft of front and rear wheels Rod of reversing block Damping spring of front and rear wheels Clip of motor synchronizing wheel Cam synchronizing wheel Motor synchronizing...

Page 63: ...Reversing block Short nozzle Long nozzle 054 055 056 2 1 2 6 1 1 4 1 Piston Cover of eccentric gear Main shaft of driving wheel Driven wheel shaft Damping spring of main shaft fixing block Limit sleev...

Page 64: ...f synchronizing wheel Limiting shaft of synchronizing wheel Handle Rear connecting shaft of driving rod Rear end of shock absorber Front connecting shaft of driving rod Ventilation adjusting shaft 069...

Page 65: ...l bin Front latch of flue Steam tube Small sleeper 081 082 083 084 085 086 087 088 089 090 091 094 4 84 87 4 8 Pressing block Flat head D4 5X M2 5X6 Mushroom head screw M2 5X14 Limit block of synchron...

Page 66: ...ront cover of smoke pipe Magnet 19X9 4X3 0 Outer hexagon M2 5X10 106 107 108 109 110 111 112 2 11 1 1 12 3 3 2 Flat head M2 5X10 CM2 5X16 Inner hexagon M2X16 Inner hexagon M2X22M2X22 Inner hexagon M2...

Page 67: ...84 1 8 4 M2 5 nut Battery 0 Inside diameter of O ring14X2mm 4 5 gasket 4 5 10 0 8 7X 4X2 5 bearing 113 114 115 116 58 TECHING R No Product picture Product name Qty...

Page 68: ...59 TECHING R...

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Page 71: ...Inspection No...

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