Bit Installation Portion Of Gear Ass'y; Disassembling - Makita HP331D Repair Manual

2.2.3. BIT INSTALLATION PORTION OF GEAR ASS'Y

2.2.3.1. DISASSEMBLING

1R212－A
Flat washer 11
Ring spring
10
Compression
spring 13
Concave portion of F/R
change lever (6)
Projection of switch (7)
Figure 17
1R212－B
1R003
Ring spring 10
Figure 18
Bit sleeve
Steel ball 3 (x2)
Figure 19
6. Fit the concave portion of F/R change lever (6) to the
projection of Switch (7).
1. Remove Ring spring 10 while checking the following
points.
A) Press the top of Bit sleeve with thumb so as not to
pop out Compression spring 13.
B) Expand the end gap of Ring spring 10 with 1R003,
1R212-B and 1R212-A.
2. Bit holder section can be disassembled as shown in the
figure on the left:
 Ring spring 10
 Flat washer 11
 Compression spring 13
 Bit sleeve
 Steel ball 3 (x2)
October 2015
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