Kval 990-H, Service Manual

Page: 66 / 104

Replacing Tooling in the Front Section
3-27
KVAL 990-H Service Manual
2.
Inspect and clean collet assembly.
Collet Spindle
Collet
Nut
Verify that there is no damage or
bluing on the side of the collet
FIGURE 3. 16.
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, Collet Torque Values
Drill Depth
Set to 2.0”
Router Depth
Set to 1 3/4 “
1 3/4 ““
2.0 “
Bit Depth
Gauge
(PN432C)
FIGURE 3. 17.
Setting the Bit Depths
7.
Tighten the collet assembly.
8.
Inspect and verify the work. Clean the work area.