SCREW TORQUE SPECIFICATIONS
FIG. PART NO. WHERE USED
SEAT TORQUE
kgf-cm lb-in
21
06-82-0243
Screw M2 x 0.89 PH Torx T6 3+/-0.5 2.6+/-4
34
06-82-6351 Screw M3 x 1.06 mm
8.5+/-1 7.4+/-1
EXAMPLE:
Component Parts (Small #) Are Included When
Ordering The Assembly (Large #).
0
00
FIG. 51, 52 NOTES:
Adhesive labels and nameplates must be put on a clean and dry
surface. Use a clean, lint-free cloth to wipe the area with isopropyl
alcohol. Let the surface dry before you apply the label or name plate.
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
1 --------------- Shadowless Worklight Wire Harness (1)
2 --------------- Shadowless Retaining Ring (1)
4 45-88-2554 Gearcase Washer (1)
11 --------------- Ball Bearing Ring GCr15 (1)
12 --------------- Hammer Washer (1)
14 02-02-1100 Ball Bearing Steel GCr15 4 mm Dia. (3)
16 --------------- Ball Bearing MR148-2RS 14 mm O.D. (1)
17 --------------- Planet Gear (3)
18 --------------- Planet Pin (3)
19 --------------- Rubber Gearbox Sleeve (1)
20 --------------- Ring Gear (1)
21 06-82-0243 PT Screw M2 x 0.89 Torx T6 (3)
22 --------------- Foam Pad for PCB Assembly (1)
24 --------------- Motor Field 12V-DC BL40 (1)
25 --------------- Motor Pinion (1)
26 --------------- Injection Rotor (1)
27 --------------- Back Cap w/ Bearing (1)
28 --------------- Retaining Ring 6.5 mm O.D. (1)
29 44-66-0120 Logo Plate (1)
30 45-24-0036 Forward and Reverse Shuttle (1)
31 --------------- Right Housing Half - Cover (1)
32 --------------- Left Housing Half - Support (1)
33 45-24-0037 Mode Select Lens (2)
34 06-82-6351 Screw M3 x 1.06 mm (9)
35 42-70-0058 Housing Connector (1)
36 42-70-0480 Spring Clip (1)
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
37 --------------- Belt Clip (1)
38 --------------- Screw M6-32 (1)
39 44-06-0052 Fuel Gauge Lens (1)
40 42-38-0058 Rubber Boot (1)
41 --------------- Friction Ring (1)
42 --------------- Rubber O-Ring 7.4 mm O.D. (1)
43 --------------- Rubber O-Ring 13.5 mm O.D. (1)
44 --------------- 1/4" Anvil (1)
45 --------------- Hammer (1)
46 --------------- Hammer Spring (1)
47 --------------- Gearcase (1)
48 --------------- Camshaft Tip 6.5 mm Dia. (1)
49 --------------- PCB Assembly (1)
51 12-20-2017 Service Nameplate (1)
52 10-22-2966 Gauge Label (1)
100 14-20-0390 Shadowless Assembly (1)
105 14-20-0393 Rotor Assembly (1)
106 31-44-0200 Handle Assembly (1)
107 14-29-0196 Gearcase Assembly (1)
108 42-06-0051 Anvil Assembly (1)
109 14-20-0394 Mechanism Assembly (1)
110 14-46-0369 Electronics Assembly (1)
111 42-70-0044 Belt Clip Assembly (1)
112 42-55-3400 Contractor Bag (1)
120 42-38-0059 Rubber Boot Assembly (1)
106
21 32 33
34 35 36
39 51 52
110
21 22
24 49
100
1
2
107
1 2
47
108
41 42
43 44
105
25 26 27
28 29
111
37
38
120
40
11 12 14 16
17 18 19 20
45 46 48
109
40
34
(x5)
28
42
31
51
25
52
112
47
26
24
11
45
44
43
41
12
46
14
(x2)
48
16
17
(x3)
18
(x3)
19
20
34
(x4)
39
32
4
29
22
49
2
1
36
38
37
33
(x2)
35
27
30
21
(x3)
14
MILWAUKEE TOOL
l
www.milwaukeetool.com
13135 W. LISBON RD., BROOKFIELD, WI 53005
Drwg. 1
SERVICE PARTS LIST
BULLETIN NO.
PN0007935
SPECIFY CATALOG NO. AND SERIAL NO. WHEN ORDERING PARTS
REVISED BULLETIN
DATE
July 2025
M12 FUEL™ 1/4" Subcompact Impact Wrench
w/ Friction Ring
WIRING INSTRUCTION
See Page 2
CATALOG NO. 3048-20 SERIAL NO. R45A
A
B
C
D
E
G
FF
The bottom position of the sliding tube must be level with the HIT board (A). The trigger wire must be below the sliding tube (B).
Make sure the glue fully covers the wires (C) and is not damaged (D). The wires must be fully connected (E) without gaps (F) or separation (G).
All components must be tight and aligned correctly to prevent interference when the housing cover is installed.
WIRING AND ELECTRONICS ASSEMBLY INSTRUCTIONS
LUBRICATION INSTRUCTIONS
Use Type 'J' Grease, No. 49-08-4220.
When servicing, remove 90-95% of the existing grease before applying the Type ‘J’ grease. The original grease could be similar in color but it is NOT
compatible with Type ‘J’ grease. The total amount of grease should not be more than 4.5 g.
FIG. PART DESCRIPTION INSTRUCTIONS AMOUNT
44 Anvil Put grease on the body of the anvil 0.4 g
45 Hammer Put grease on the hammer 0.9 g
12 Hammer Washer Put grease on the hammer washer 0.1 g
48 Camshaft
Put grease on the camshaft groove 0.6 g
Put grease on the camshaft hole 1.2 g
18 Planet Pin Put grease on the planet pin 0.1 g
20 Ring Gear Put grease on the thread, bottom face, and inner diameter of the ring gear 0.8 g
TOTAL AMOUNT OF GREASE: 4.5 g
