Replacing Bits in the Front Section
KVAL Commander III Service Manual
3-34
Remove and Replace the Chisels
After lockout tagout and access has been obtained to the assemblies, follow these instructions to
remove and replace the chisels
1.
Ensure air pressure is turned off and pull back the head to get better access to the
chisel assemblies.
2.
Use a 7/16 “wrench to loosen and remove the bracket bolts (2 per chisel) that secure
the chisels.
3.
Remove the bracket.
4.
Slide the old chisel out of the assembly. Note the orientation of the chisel
Note:
The bracket has a tight tolerance and is a tight fit. You may have to use channel
grips to remove the bracket.
FIGURE 3-23.
Replacing the Chisels
5.
Slide in the new chisels.
6.
Tighten bolts back and forth until the bracket is tight.
7.
Inspect and verify the work. Clean the work area.
8.
If maintenance is completed, replace dust cover and tighten bolts.
Slide out
Chisel
Remove Bolts with a
7/16 “wrench
Bracket
Orientation
of Chisel
Summary of Contents for Commander III
Page 5: ...KVAL Commander III Service Manual KVAL Commander III Service Manual ...
Page 10: ...Notes ...
Page 31: ...Safety Sign Off Sheet 1 21 KVAL Commander III Service Manual ...
Page 36: ...Notes ...
Page 75: ...Collet Torque Values 3 39 KVAL Commander III Service Manual ...
Page 76: ...Collet Torque Values KVAL Commander III Service Manual 3 40 ...
Page 100: ...Network System Overview KVAL Commander III Service Manual 4 24 ...
Page 103: ......