Makita BFL300F, BFL400F 3 -6. Disassembling/ Assembling of Gear Case Section cont, notch, boss

Models: BFL400F

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[3] -6. Disassembling/ Assembling of Gear Case Section (cont.)

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[3] -6. Disassembling/ Assembling of Gear Case Section (cont.)

Fig. 19

Gear case section

Motor bracket

Motor control unit

notch Turn Motor bracket counterclockwise, and then boss Separate Gear case section from Motor control unit.

Fig. 20

Lock washer

Gear case section

Manual background Turn Lock washer counterclockwise using pliers or slotted screwdriver, and

Manual background Remove from Gear case section.

ASSEMBLING

1)After applying Makita grease N No.2 to teeth of all Spur gears, shafts of Carrier complete and shafts of Spur gear 20 complete, assemble Ball bearing 6805LLB and Carrier complete (A) to Gear case. (Fig. 1)

And then assemble Internal gear 47 and Spur gears from the opposite side.

2)Install Rotor on Motor control unit as described below;

Fix Motor control unit on table or the like, and insert Rotor slowly into Motor control unit till it touches the surface of the table. Then lift up Motor control unit gradually till it stops. (Fig. 21)

Caution: 1. Because Rotor is a strong magnet, be sure to remove metal chips or debris from it before installation, and be very careful not to pinch your fingers between Rotor and metal parts, etc.

2.Be careful not to shock the printed wiring board of Motor control unit.

3)Install Lock washer on Gear case. Then put Motor bracket on Gear case, and turn it clockwise to lock in place.

4)Assemble Gear case section and Motor control unit to Housing (R) so that the lead wires of Motor control unit and the Switch unit installation portion on Gear case face the side of the LED - Trigger switch line. (Fig. 22)

When assembling, fit the boss on Housing (R) in the notch in Motor control unit. (Fig. 23)

Fig. 21

Fig. 22

Fix Motor control unit, and insert Rotor.

Lift up Motor control unit till it stops.

Gear case

Motor control unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Switch unit

 

installation portion

Lead wires

5)Set Switch unit in place on Gear case.

6)Assemble the following parts to Housing (R) in numerical order:

1.Controller of Motor control unit

2.Terminal

3.LED circuit

4.Assembly of Gear case section and Motor control unit Put lead wires in place while taking care not ot pinch them. After putting Switch section in place, install Plate and Lens. Then fasten Housing (L) to (R) with seven M3x20 Pan head screws. (Fig. 24)

Caution: When disconnecting connectors, do not pull lead wires. (Fig. 25)

Fig. 23

Motor control unit

notch

boss

Housing (R)

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Makita BFL300F, BFL400F, BFL401F dimensions 3 -6. Disassembling/ Assembling of Gear Case Section cont, notch, boss