Makita Makstar BPB180 Technical Information page 5

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Assembled Unit of Helical Gear 45
DISASSEMBLING
1. Disassemble gear housing complete and rear wheel cover from motor section. (Fig. 2, Fig. 3)
2. Remove armature from gear housing complete. (Fig. 4)
3. Unscrew one 4x40 tapping screw with which gear housing complete is secured to rear wheel cover. (Left Fig. 9)
4. Disassemble gear housing complete with helical gear 45 by striking the edge of rear wheel cover
with plastic hammer. (Center Fig. 9)
5. Remove the assembled unit of helical gear 45 by striking gear housing complete with plastic hammer.
(Right Fig. 9)
6. Setting the assembled unit of helical gear 45 on Drill Chuck Extractor (1R139), remove spiral bevel gear 11
together with ball bearing 6202LLB using arbor press. (Fig. 10)
7. Remove retaining ring S-15 from spiral bevel gear 11 with Retaining Ring S and R Pliers (1R291). (Fig. 11)
8. Ball bearing 6202LLB can be removed from spiral bevel gear 11 with 1R269 "Bearing Extractor".
Fig. 9
Tapping Screw
4x40
Fig. 10
1R282
1R139
Ball Bearing
6202LLB
ASSEMBLING
1. After assembling ball bearing 6202LLB and retaining ring S-15 to spiral bevel gear 11, mount helical gear 45 as
illustrated in Fig.12.
Fig.12
Ball Bearing
6202LLB
Retaining
Ring S-15
Gear Housing
Complete
Ball Bearing
608LLB
Helical Gear 45
Spiral Bevel Gear 11
Spiral Bevel
Gear 11
Ball Bearing
6202LLB
Helical Gear 45
Gear Housing
Complete
Fig. 11
1R291
Ball Bearing
6202LLB
Assemble helical gear 45,
facing the grooved side
to ball bearing 6202LLB.
Ball Bearing 608LLB
P 5 / 10
Assembled Unit
of Helical Gear 45
Retaining Ring S-15
Spiral Bevel Gear 11