Makita JR3050T Technical Information page 5

R
epair
[3] -1. Disassembling/ Assembling Blade Clamp Section (cont.)
5) While fitting the two projections of driving sleeve in the concavities of sleeve, push driving sleeve into gear housing
housing. At this time, turn driving sleeve clockwise so that the protruding portion of driving sleeve cannot be inter-
fered by gear housing. After driving sleeve is pushed into gear housing to the full, turn driving sleeve clockwise to
lock pin 3 in place. (Fig. 10)
Note: Driving sleeve is used as a jig to lock pin 3 in place, not assembled to slider in this step.
6) Remove driving sleeve.
Fig. 10
Driving sleeve
Projections
7) Assemble the following parts to slider (Refer to Fig. 3.):
Driving sleeve guide, Guide sleeve, Pin 3 (of 6mm length), Shoulder pin 5, Compression spring 6
8) Put driving sleeve over guide sleeve and secure it with retaining ring S-18 using 1R291. Then cover driving sleeve
with protector. (When installing driving sleeve, fit its projections in the concavities of sleeve and driving sleeve guide.)
[3] -2. Replacing Shift Button and Cap
DISASSEMBLING
Shift button can be removed from gear housing cover by
inserting a thin bar into the hole of cap and push the bar.
(Fig. 11)
ASSEMBLING
1) Replace cap by new one because removal of shift button
damages the inside surface of cap.
2) From shift button, remove all the plastic dust scraped off
the removed cap. Insert shift button through the holes in
the both sides of gear housing cover.
And then press-fit shift button in the new cap by hand.
Important:
Be sure to assemble shift button to gear housing cover
so that the two notches of shift button face the side
opposite to slider as illustrated in Fig. 12.
Sleeve
Concavities
Sleeve
Fig. 11
Fig. 12
Slider
Cap
These notches of shift button must
face the side opposite to slider.
Driving sleeve
Shift button
Cap
thin bar
Shift button
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