Makita BHR240 Technical Information page 4

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[3] DISASSEMBLY/ASSEMBLY
[3] -1. Chuck Section
DISASSEMBLING
1) Slide Chuck cover in the direction of Gear housing.
Remove Cap 35 using hand and a slotted screwdriver (Fig. 3).
2) Remove Ring spring 19 from the groove on Tool holder complete
using 1R003 and 1R212. Remove Ring spring 19.
Chuck cover and Ring 21 can now be removed (Fig. 4).
3) Pushing Guide washer in the direction of Gear housing,
remove Steel ball 7.0 from the slot on Tool holder complete.
Remove Guide washer and Conical compression spring 21-29 (Fig. 5).
Fig. 4
Ring spring 19
Chuck cover
Ring 21
Tool holder complete
ASSEMBLING
Do the reverse of the disassembling steps.
Note: Conical compression spring 21-29 and Ring spring 19 are not reversible when assembled to Tool holder complete.
Be sure to assemble as illustrated in Fig. 6.
Fig. 6
Conical compression spring 21-29
Correct
Conical compression
spring 21-29
Ring spring 19
Correct
flat portion
Ring spring 19
Tool holder complete
Fig. 5
Guide washer
Tool holder complete
flat portion
Fig. 3
Cap 35
Chuck cover
Guide washer
Steel ball 7.0
Wrong
Wrong
P 4 /14
Gear housing
Conical compression
spring 21-29