Makita KP312 Operating Manual page 3

R
epair
< 3 > Removing V- Pulleys
(1) Attach the following bit to the impact driver.
*
1R230 Multi-purpose M6 for hex socket head bolt M6x12
* Socket bit 17 for hex nut M10x17.
And remove hex nut M10x17 and hex socket head bolt M6x12
with the impact driver.
(2) Remove V-pulley 9-39.7. And by turning clockwise, remove V-pulley 9-23L.
< 4 > Mounting V-pulleys and poly V-belt
(1) Mount V-pulley 9-23L to the threaded portion of spindle by turning anti-clockwise with your hand.
But be careful, not to tight it too strong. And then, fix the V-pulley 9-23L with hex nut M10x17.
The hex nut M10x17 has to be turned anti-clockwise for fastening. But fasten the hex nut not strong
in this stage. See Fig. 4.
(2) After inserting key 4 to the grove of drum shaft, mount V-pulley 9-39.7 to the drum shaft aligning its cut portion
to the key 4. And then, fix the V-pulley 9-39.7 with hex socket head bolt M6x12.
The hex socket head bolt M6x12 has to be turned clockwise for fastening. But fasten the hex socket head bolt
not strong in this stage. See Fig. 4.
V-pulley 9-39.7
< Note in Removing >
* Turn hex nut M10x17 clockwise for loosening.
* Adhesive has been applied on hex socket head
bolt M6x12.
Hex nut M10x17
Hex socket head
bolt M6x12
< Note in Removing >
* Pay attention, not to lose key which is mounted to
drum shaft.
V-pulley
9-23L
Key 4
V-pulley 9-39.7
Fig. 3
<Note>
If you use the used hex socket head bolt M6x12,
apply the adhesive to the threaded portion of the bolt,
or use the fresh one.
V-pulley 9-23L
Hex nut M10x17
Key 4
Hex socket head
bolt M6x12
D=5mm
110mm
D
1R230 Multi-purpose M6
Fig. 2
See Fig. 3.
Turn clockwise for
loosening.
Fig. 4
P 3 / 8
13mm