![background image](http://html1.mh-extra.com/html/makita/bss500z/bss500z_technical-information_3895307007.webp)
P 7/14
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Gear Unit [that engages with Armature] (cont.)
R
epair
1R278
1R356 (2 pcs)
Helical gear 15
Helical gear 15
Helical gear 35
Helical gear 35
Ball bearing 6900ZZ
Ball bearing
6900ZZ
Gear shaft
2) Remove Gear unit from Handle R. (Fig. 15)
3) Remove Ball bearing 604ZZ from Gear unit by following the steps below:
1. Move Ball bearing 604ZZ so as to provide a space between
Helical gear 35 and Ball bearing 604ZZ for inserting 1R356. (Fig. 16)
2. Insert 1R356 (2 pcs) into the space provided in the previous step.
Apply 1R278 to the end face of Gear shaft.
By pressing 1R278 using arbor press, Ball bearing 604ZZ can be
removed from Gear unit. (Fig. 17)
4) Set Gear unit on 1R037 with the side of Helical gear 15 up.
Apply 1R281 to the end face of Gear shaft.
By pressing 1R281 using arbor press, Gear shaft can be removed form
Gear unit. (Fig. 18)
1R281
1R037
Handle R, viewed from
Motor section side
Gear unit
Fig. 15
Fig. 16
Fig. 17
Fig. 18
Ball bearing 604ZZ
Ball bearing 604ZZ
1R269
DISASSEMBLING