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R
epair
[2] LUBRICATION
(cont.)
Apply the following grease/ oil to protect parts and product from unusual abrasion.
Item No.
Description
BHR242 BHR243
1
105
Cap 35
6
Rubber washer 16
Ring 21
8
Stopper
108
114
Steel ball 6
118
Steel ball 5.0
15
Gear housing complete
22
O ring 21
25
Push corn
32
Spur gear 51
Steel ball 7.0
28
109
Tool holder complete
30
30
Tool holderguide complete
39
Sleeve 9B
41
Washer 10
44
O ring 9
Quick change drill chuck: Apply Makita grease RB No. 00 to
Fig. 2
(a)
15
25
22
1
6
Fig. 3
Cross section around
Swash bearing 10
Lip portion where Bit is to be inserted
Inner periphery
Inner periphery
Inner periphery
Entire surface
Entire surface
(a) Oil seal 25 in Gear housing complete
(b) Inside where Swash bearing section rotates
(See Fig. 3.)
Entire surface
Outer surface
(c) Gear portion
(d) Surface where Clutch portion of 30 Tool
holder (guide) complete contacts
Entire surface
Inside where 48 Piston cylinder reciprocates
Inside where Impact bolt A/ B reciprocates
Entire surface
two Steel balls 6 and one Steel ball 5.
Steel ball 5
Steel ball 6
(2 pcs.)
(b)
30
BHR242
8
28
Portion to lubricate
BHR243
32
(d)
boss for fixing
Compression
spring 14
Put 16g Makita grease RB No 00 by using the space
(designated by the black dot) to lubricate
Swash bearing section and Cam shaft section.
P 4/ 25
Lubricant
Makita grease
RB No.00
Makita lubricating oil
VG100
Makita grease
RB No.00
Impact bolt B
39
40
41
Impact bolt A
Inside view of
Inner housing
Amount
a little
2g
a little
44
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