Makita M1902 Technical Information
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Makita M1902 Technical Information

82mm (3-1/4") planer
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T
ECHNICAL INFORMATION
Model No.
Description
C
ONCEPT AND MAIN APPLICATIONS
Model M1902 is an 82mm Planer with excellent cost performance
that has been developed as a model of Makita-mt-series.
Its main features are:
• Cost performance superior to MODERN M-2900
• New appearance; Features the same design concept as maktec/SSP-Makita
brand series; however, the logo has been replaced by "Makita-mt-" for new
series development.
• Foot on base plate; protects workpiece and blade from scratches and damage
even if the machine is put on workpiece before drum comes to a complete stop.
• Ergonomically designed handle
• Guide rule can be installed.
• V-groove on base for easy chamfer cutting
• Aluminum bracket
S
pecifications
Voltage (V)
110
120
220
230
240
Specifications
No load speed: min
-1
Capacities: mm (")
Protection from electric shock
Power supply cord: m (ft)
Weight according to
EPTA-Procedure 01/ver.2.1*: kg (lbs)
* With Planer blade, Dust nozzle
S
tandard equipment
Planer blade 82 (re-sharpenable blade or disposable blade)
Blade gauge assembly
Hex wrench
Sharpening holder assembly (for unit with re-sharpenable blade only)
Guide rule (country-specific)
Dressing stone (country-specific)
Note: The standard equipment may vary by country or model variation.
O
ptional accessories
N/A
M1902
82mm (3-1/4") Planer
Current (A)
Cycle (Hz)
4.6
50/60
4.0
50/60
2.4
50/60
2.3
50/60
2.6
50/60
= rpm
Planing width
Planing depth
Shiplapping
Continuous Rating (W)
Input
480
N/A
500
500
580
Model
1 / 19
for ASC & Sales Shop
W
L
Dimensions: mm (")
With Foot
Length (L)
W/O Foot 278 (11)
Width (W)
Height (H)
Max Output (W)
Output
145
550
130
550
225
550
225
550
300
550
M1902
16,000
82 (3-1/4)
1 (1/32)
9 (11/32)
Double insulation
2.0 (6.6)
2.7 (5.8)
OFFICIAL USE
June 2016
H
285 (11-1/4)
157 (6-3/16)
160 (6-5/16)

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Summary of Contents for Makita M1902

  • Page 1 Dimensions: mm (") • New appearance; Features the same design concept as maktec/SSP-Makita With Foot 285 (11-1/4) brand series; however, the logo has been replaced by “Makita-mt-” for new Length (L) W/O Foot 278 (11) series development. • Foot on base plate; protects workpiece and blade from scratches and damage...
  • Page 2 INDEX INDEX ......................................2 CAUTION ....................................3 NECESSARY REPAIRING TOOLS ............................3 LUBRICANT AND ADHESIVE APPLICATION ........................3 REPAIR ......................................4 Poly V-belt 4-241 ................................. 4 5-1-1 Disassembling ................................4 5-1-2 Assembling .................................. 5 Armature ....................................6 5-2-1 Disassembling ................................6 5-2-2 Assembling ..................................

  • Page 3: Necessary Repairing Tools

    CAUTION Repair the machine in accordance with “Instruction manual” or “Safety instructions”. Follow the instructions described below in advance before repairing: Wear gloves. · In order to avoid wrong reassembly, draw or write down where and how the parts are assembled, and what are the parts. ·...
  • Page 4 REPAIR Poly V-belt 4-241 5-1-1 Disassembling Fig. 5-1-1-1 [1] Loosen two M4x25 Pan head screws, and remove Belt cover. M4x25 Pan Belt cover M4x25 Pan head screw head screw Fig. 5-1-1-2 [2] Cut the old Poly V-belt 4-241 with cutting pliers. [3] When you use Poly V-belt 4-241 again, pry it off with a screwdriver while turning either of two V pulleys.
  • Page 5 5-1-2 Assembling Fig. 5-1-2-1 [1] Hook Poly V-belt 4-241 to V pulley 4-20L. Poly V-belt 4-241 V pulley 4-20L Fig. 5-1-2-2 [2] Hook Poly V-belt 4-241 to V pulley 4-37 while pressing the positions shown by the red circle and turning either of two V pulleys.
  • Page 6 Armature 5-2-1 Disassembling [1] Remove Poly V-belt 4-241. (5-1-1 Disassembling) Fig. 5-2-1-1 [2] Loosen six M6x17 Hex socket hex bolts by turning them counterclockwise with 1R016 and an impact driver, and remove two 82mm HSS Planer blades and two Drum plates. M6x17 Hex socket hex bolt (6 pcs.) 82mm HSS...
  • Page 7 Fig. 5-2-1-4 [5] Remove six 4x18 Tapping screws. 4x18 Tapping screw (6 pcs.) Fig. 5-2-1-5 [6] Tap Main frame complete with a plastic hammer, and remove the unit of Armature, Drum and Bracket complete. Main frame complete Armature Bracket complete Drum 7 / 19...
  • Page 8 Fig. 5-2-1-6 [7] Hold Armature with a waste cloth, and remove V pulley 4-20L from Bracket complete by turning it clockwise with a bit adapter assembly, double ended phillips bit and impact driver. Square drive : 12.7mm (1/2") Bit adapter Double ended assembly phillips bit...
  • Page 9 5-2-2 Assembling [1] Assemble by reversing the disassembly procedure. Fig. 5-2-2-1 Fig. 5-2-2-2 [2] Set the following parts in the order from the bottom: [4] Assemble Armature to Bracket complete with 1R031 and 1R258. (1) 1R034 (2) Ball bearing 6000DDW (3) Armature (4) Ball bearing 607ZZ (5) 1R032...
  • Page 10 Fig. 5-2-2-4 Fig. 5-2-2-5 [6] Assemble the unit of Armature, Drum and [7] Tighten six M6x17 Hex socket hex bolts to 6 to 9N·m from the Bracket complete to Main frame complete. V pulley 4-37 side with 1R219, 1R220 and Socket 9. Note: Be careful not to lose Assist fan guide.
  • Page 11 Drum 5-3-1 Disassembling [1] Remove the unit of Armature, Drum and Bracket complete. (5-1-1 Disassembling) Fig. 5-3-1-1 [2] Hold Drum with a waste cloth, and remove V pulley 4-37 from Bracket complete by turning it counterclockwise with a bit adapter assembly, double ended phillips bit and impact driver. Square drive : 12.7mm (1/2") Bit adapter...
  • Page 12 Fig. 5-3-1-3 [4] Remove Ball bearing 6000DDW and Ball bearing 608ZZ with 1R269. Ball bearing Ball bearing 6000DDW 608ZZ 1R269 5-3-2 Assembling [1] Assemble by reversing the disassembly procedure. Fig. 5-3-2-1 Fig. 5-3-2-2 [2] Set the following parts in the order from the bottom: [4] Assemble Drum to Bracket complete with 1R031 and 1R258.
  • Page 13 Fig. 5-3-2-3 [5] Hold Drum with a waste cloth, and fasten carefully V pulley 4-37 to Bracket complete by turning it clockwise with a bit adapter assembly, double ended phillips bit and impact driver. Square drive : 12.7mm (1/2") Bit adapter Double ended assembly phillips bit...
  • Page 14 Front base, Base 5-4-1 Disassembling Fig. 5-4-1-1 [1] Remove Front base by turning Knob 44 counterclockwise. Knob 44 Rubber packing Front base Knob 44 Flat Compression washer 10 spring 18 Fig. 5-4-1-2 [2] Remove Base, Foot and Torsion spring 7 by removing four 4x18 Tapping screws. 4x18 Tapping screw (4 pcs.) Foot...
  • Page 15 5-4-2 Assembling [1] Assemble Foot to Main frame complete. (5-5-2 Assembling) Fig. 5-4-2-1 Fig. 5-4-2-2 [2] Align the height of Base and Front base by turning [3] Align the “0” on the scale label on Knob 44 with the Knob 44. triangle mark on Main frame complete, and replace the scale label with a new one, Base...

  • Page 16: Circuit Diagram

    Circuit diagram Fig. 6-1 Switch Polyolefin tube Choke coil (if used) Orange/AWG18 Insulated connector (M4） Orange/AWG18 Black/AWG18, single wire White/AWG20 Non-insulated connector Non-insulated connector Noise suppressor (if used) Field Black or Brown White/AWG20 Purple/AWG18 Black/AWG18, single wire Purple/AWG18 White or Blue Viewed from Choke coil (if used) commutator end...

  • Page 17: Wiring Diagram

    Wiring diagram Fig. 7-1 Wiring around Field Assemble Field to Motor housing as shown below. Polyolefin tube Choke coil (if used) Field lead wire Polyolefin tube Field lead wire Choke coil (if used) Field Field lead wire Field lead wire Motor housing 17 / 19...
  • Page 18 Fig. 7-2 Wiring to Main frame complete If Terminal block is used, do not put the Put Noise suppressor in this space so that the lead wires are routed as shown below. lead wires under Terminal block. (If Noise suppressor is used.) Main frame complete Noise suppressor (if used) Switch...

  • Page 19: Tightening Torque Specifications

    TIGHTENING TORQUE SPECIFICATIONS Tightening torque Parts to fasten Fastener Q’ty (N･m) V pulley 4-20L Armature V pulley 4-20L 3.0 and more  V pulley 4-37 Drum V pulley 4-37 3.0 and more  19 / 19...

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