5
FUNCTIONAL DESCRIPTION
1. Variable speed switch
2. Lock-on Button
3. Forward/reverse slider
4. Drilling mode selector
5. Chuck
6. Depth stop
7. Side handle
2
7
5
6
1
3
4
2
3
4
6
1
5
7
11
12
10
13
10
8
9
7
C
B
D
A
90552583 KR520HD KR550HD 6/16/09 11:11 AM Page 5