Repair Lubrication, Tool Holder Section, Assembling

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Repair

[2] LUBRICATION (cont.)

Item No.	Description					Portion to lubricate				Lubricant	Amount
40	O ring 16		Whole portion
			(f) Inside where Striker moves							Makita grease R No. 00
41	Piston cylinder		(g) Hole for accepting Piston joint
41	Piston cylinder		(h) Surface where			30 Tool holder complete contacts.				Molybdenum disulfide
			(h) Surface where			30 Tool holder complete contacts.				Molybdenum disulfide
			(Refer to Fig. 1.)							lubricant
49	Spur gear 10		Gear teeth where			28	Spur gear 51 engages (Refer to Fig. 1.)			Makita grease R No. 00	a little
50	Cam shaft		Surface where 51 Clutch cam and 49 Spur gear 10 contact							Makita grease R No. 00	a little
			(i) Outside groove							Molybdenum disulfide
51	Clutch cam									lubricant
			(j) Side where 52 Swash bearing 10 engages
52	Swash bearing 10		Pole portion which is inserted into Piston joint								4g
			Bearing portion								4g
53	Helical gear 25		Teeth portion							Makita grease R No. 00	17g
63	Inner housing		Space where Armature's drive end and 53						Helical gear 25		a little
63	complete		engages								a little
	complete		engages
17	Gear housing		(k) Crank room								5g
17	complete		(k) Crank room								5g
	complete
Fig. 2						Swash Bearing Section				Makita grease R No. 00
										Makita grease R No. 00
			40	41				Flat washer 12		Molybdenum disulfide
Compression spring 7		Striker			(h)		(g)	Piston joint		lubricant
Compression spring 7		Striker		(f)	(h)		(g)	Piston joint		Armature
				(f)

Ball bearing 606ZZ								(k) Crank room
Ball bearing 606ZZ				(g)
				(g)
								(j)
Retaining ring S-7		49		50			(i)	51	52 53	63

[3]DISASSEMBLY/ASSEMBLY

[3]-1. Tool Holder Section

DISASSEMBLING

Disassemble Tool holder section as illustrated in Fig. 3.

Fig. 3

1R003		Chuck cover		Ring 21
1R212	Cap 35			Guide washer
1R212				Conical compression
	Ring		Steel ball 7.0	Conical compression
Ring 21			Steel ball 7.0	spring 21-29
Ring 21				spring 21-29
	spring 19	Ring 21
Chuck cover		Ring 21
Chuck cover

Disassemble Cap 35 and remove

Ring spring 19 with 1R003 and 1R212. Note: Replace the tips of 1R003 to

those of 1R212.

Disassemble Chuck cover. And remove Steel ball 7.0 while pressing down Ring 21.

After disassembling Steel ball 7.0, the Tool holder section can be disassembled as illustrated above.

ASSEMBLING

Do the reverse of the disassembling step. Refer to Fig. 3.

Note: Be sure to place the flat portion of Ring spring 19 on Steel ball 7.0.

BHR202 specifications

The Makita BHR202 is a powerful and versatile cordless rotary hammer, designed to make drilling and chiseling tasks efficient and user-friendly. With a robust and compact design, it is suitable for both professional contractors and DIY enthusiasts who require a reliable tool for various applications in masonry, concrete, and more.

One of the main features of the BHR202 is its combination of three modes of operation: rotary drilling, hammer drilling, and chipping. This versatility allows users to switch between different tasks seamlessly, making it an ideal choice for jobs that require both drilling holes and breaking up concrete. The tool is equipped with a powerful 18V lithium-ion battery, providing ample runtime and fast charging to keep productivity high on the job site.

The BHR202 is engineered with a high-performance motor that delivers a maximum impact energy of 2.0 joules, making it capable of handling tough materials. The variable speed control enhances user control, enabling precise operation for various applications. Additionally, its safety clutch feature protects the user from sudden overload situations, ensuring a safer working environment.

One of the standout technologies in the BHR202 is its "Anti-Vibration Technology" (AVT), which minimizes user fatigue by absorbing vibrations caused by impact and cutting action. This feature is particularly beneficial for prolonged use, allowing users to work longer without discomfort. The ergonomic soft-grip handle provides added comfort and control, making it easier to handle during various tasks.

The BHR202 also features a built-in LED flashlight that illuminates work areas, making it easier to see in dark or confined spaces. The tool comes with a durable carrying case for easy transport and storage, ensuring that it stays protected between uses. The SDS-plus chuck system allows for quick and easy bit changes, enhancing work efficiency.

Overall, the Makita BHR202 is an exceptional rotary hammer that combines power, versatility, and advanced technology in a compact design. With its focus on user comfort and safety, along with its robust performance capabilities, it stands out as an essential tool for anyone involved in serious construction or renovation work. Whether you’re breaking through concrete or drilling into tough materials, the BHR202 is sure to deliver reliable results every time.