Makita BUR181, UR140D, UR180D Necessary Repairing Tools, Lubrication, Disassembly/Assembly

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Repair

CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.

[1] NECESSARY REPAIRING TOOLS

Code No.	Description	Use for
1R022	Bearing plate	Supporting Spool holder to remove Spur gear 48
1R217	Ring 22	Supporting Spur gear 48 to remove Gear shaft
1R236	Round Bar for Arbor 7-100	Removing Spool holder
1R286	Round Bar for Arbor 12-50	Supporting Spool holder to press-fit Gear shaft

[2] LUBRICATION

Apply Makita grease N. No.2 to the following portions designated with the black triangle to protect parts and product from unusual abrasion.

Item No.	Description	Portion to lubricate	Amount
10	Motor housing L	Gear room where Spur gear 48 rotates	3 g
Fig. 1		10
	Motor housing R	DC motor
		Spur gear 48
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Gear shaft complete

DISASSEMBLING

(1)Remove Spool set and Safety cover as drawn in Fig. 2.

Fig. 2

1.While pressing the tabs, pull off Spool set. Compression spring 17 is removed together with Spool set.

Compression spring 17

Spool set

Tabs of Spool set

2.Loosen two M4x20 Pan head screws, and remove Safety cover from Motor housing set.

Note: Each M4x20 Pan head screw has O ring 4 on the thread to prevent losing. It is not necessary to separate M4x20 Pan head screws from Safety cover/ O rings 4.

Reverse side of	M4x20 Pan
Safety cover	head screw	Each O ring 4 on the
	(2 pcs.)
		thread of M4x20
		Pan head screw

M4x20 Pan head screw (2 pcs.)