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