Makita DCS550 Technical Information page 5

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Safety Cover Complete and Bearing Box Section (cont.)
DISASSEMBLING
4) Remove Ball bearing 696ZZ from Bearing box section with 1R269. (Fig. 9)
5) Remove Retaining ring S-10 with 1R291. (Fig. 10)
6) Remove Spindle by following the steps below (Fig. 11):
1. Put Bearing box section on 1R031 with Helical gear 23 side up.
2. Remove Helical gear 23 and Sleeve 10 by pressing the end face of
Spindle using arbor press.
3. Apply 1R281 to the end face of Spindle, and press it using arbor press.
Spindle can now be removed from Bearing box section.
Important: Ball bearing 6900DDW in Bearing box section will always
be damaged in these steps.
Do not forget to replace with new one.
7) Attach a pair of 1R041 to vise. Fix Bearing box section in vise.
Remove Bearing retainer 14-23 from Bearing box by turning counter-
clockwise with 1R316. Damaged Ball bearing 6900DDW can now be
removed. (Fig. 12)
Fig. 11
Bearing box section
Helical gear 23
1R031
Spindle
Fig. 12
Fit these pins in the groove
of Bearing retainer 14-23.
1R316
Bearing retainer
14-23
Bearing box
Fig. 9
Fig. 10
Helical gear 23
Sleeve 10
Vise
1R041
P 5 /13
1R269
Ball bearing 696ZZ
Bearing box section
1R291
Retaining ring S-10
1R281
Spindle
O ring 26
Ball bearing 6900DDW,
damaged in the previous step