Kval 990-HQ, Service Manual

Page: 72 / 112

Collet Spindle
Collet Nut
Verify that there is no damage or blu-
ing on the side of the collet
Replacing Tooling in the Front Section
3-34
990-HQ Service Manual
FIGURE 3-24.
Collet Assembly
3.
Lightly attach collet assembly on drill.
4.
Insert the new bit into the assembly.
5.
Before tightening the collet assembly, adjust the bit depth. Set the router bit to
1 3/4 “and the drill bit to 2.0” from the base of the collet nut to the tip of the bit. If
available, use Bit Depth Gauge (PN 432 C) to set the depth.
6.
Lightly tighten and torque to correct value. For torque values, See “Collet Torque
Values” on page 3-40
Drill Depth Set
to 2.0”
Router Depth
Set to 1 3/4 “
1 3/4 ““
2.0 “
Bit Depth
Gauge
(PN432C)
FIGURE 3-25.
Setting the Bit Depths
7.
Tighten the collet assembly.
8.
Inspect and verify the work. Clean the work area.