22
PARTS LIST
WARNING:
When servicing, use only Mastercraft
®
replacement parts. The use of any other
parts may create a safety hazard or cause damage to the tool.
Any attempt to repair or replace electrical parts on this tool may create a safety hazard unless
repairs are performed by a qualified technician. For more information, call the Toll-free Helpline,
at 1-800-689-9928.
Always order by PART NUMBER, not by key number.
!
Key #
Part #
Part Name
Quantity
1
4020030006
Chuck screw
1
2
1140050012
Chuck
1
3
4030010036
Tapping screw
4
4
2030020245
Compressing plate
1
5
2050070056
Positioning spring
1
6
3150130115
Torque stage positioning ring
1
7
2040050124
Shaft
1
8
4040020001
Small washer
1
9
4010010020
Axletree
1
10
2030020015
Washer
1
11
4010010021
Axletree
1
12
2010250001
Impact adjusting ring
1
13
2050050002
Steel wire
1
14
2010150004
Impact bracket
1
15
2010100010
Upper impact block
1
16
2010100011
Lower Impact block
1
17
3120080103
Torque adjusting ring
1
18
3150190146
Inner threaded ring
1
19
2050080162
Spring
1
20
2030020213
Washer
1
21
4080060001
Ball group
12
22
3150070077
Gear box
1
23
4010010008
Bearing
1
24
2030020214
Washer
1
25
2010240034
Shaft lock ring
1
Summary of Contents for 054-3170-8
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