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Replacing the Drill Bit
1.
Disconnect the air line from the Air Drill.
2.
Press and hold the Trigger (12) to release any remaining air.
3.
Unscrew the Lock Nut (47) by turning it counterclockwise and slide it up and
over the Arm (50).
4.
Grab the Arm (50) and turn it side to side while pulling it up and off the Housing
(1).
5.
Using the Hex Wrench (57), loosen the Set Screw in the Supporter (45), then pull
out the Drill Bit (46).
6.
Replace the Drill Bit and retighten the Set Screw on the flat surface of the Drill
Bit.
7.
Replace the Arm (50).
8.
Replace the Lock Nut (47) by turning it clockwise over the Housing (1). Securely
tighten Lock Nut.
Item
1
Housing
1. A
Ball (∅ 6.35mm)
2.
Pin (∅ 3x27.8)
5.
O-ring (3.9x2.25x2)
7.
O-ring (∅ 3.5x1.5)
8.
Valve Stem
9.
O-ring (P14)
10.
Valve Bushing
11.
Spring
12.
Trigger
13.
Set Screw (M4x4)
14.
Ball Bearing (696zz)
15.
Set Screw (M3x12)
16.
Rear End Plate
17.
O-ring (∅ 33.05x1.78)
18.
Rotor Blades
19.
Rotor
20.
Cylinder
21.
Ball (∅ 5)
22.
Ball Bearing (608zz)
23.
Spring
24.
Clamp Nut
25.
Gear Case
26.
Gear Housing
27.
Spring
28.
Ball (∅ 4)
29.
Adjustment Wheel
30.
Wave Washer (6200)
NOTE: Some parts are listed and shown for illustration purposes only and
are not available individually as replacement parts.
SKU 93900
For technical questions, please call 1-800-444-3353.
Parts List
Description
Qty
Item
Description
1
31.
Retaining Ring (S22)
1
32.
Ball Bearing (R8)
1
33.
Gear Cage
1
34.
Gear
1
35.
Pin (∅ 3x17.8)
1
36.
Washer
3
37.
Ball Bearing (R6zz)
1
38.
Internal Gear
1
39.
Bit Holder
1
40.
Set Screw (M5x5)
1
41.
Set Screw (M4x6)
1
42.
Housing, Supporting
1
43.
Spring
1
44.
Retainer
1
45.
Supporter
Drill Bit ( ∅ 8)
5
46.
1
47.
Lock Nut
1
48.
Retaining Ring
1
50.
Arm, 2 inch
1
51.
Screw (M4x8)
1
52.
O-ring (P18)
1
53.
Muffler Nut
1
54.
Muffler
1
55.
Muffler Retainer
2
56.
Air Inlet
2
57.
Hex Wrench
1
58.
O-ring
2
Qty
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Page 7
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