Milwaukee Electric Tool: M18™ FUEL™ Finishing Nailers
and applicable Magazine Assemblies
Due to the combination of the compressed air system and electronics in this tool,
service can only be performed at this Milwaukee factory Central Repair Center:
MILWAUKEE ELECTRIC TOOL Central Repair
1401 Sycamore Avenue
l
Greenwood, MS 38930-7277
Please send your tool directly to this location for service.
If you have questions please contact Milwaukee Product Service at:
Product Technical Support via phone at: 262.783.8642
Or
Via email at: METProductSupport @milwaukeetool.com
2740-20, 18 Ga. Straight Finishing Nailer
2741-20, 16 Ga. Straight Finishing Nailer
2742-20, 16 Ga. Angled Finishing Nailer
2743-20, 15 Ga. Angled Finishing Nailer
M18™ FUEL™ Finishing Nailers
Oct. 2019
54-00-FNLR
REVISED BULLETIN
SERVICE PARTS LIST
BULLETIN NO.
WIRING INSTRUCTION
DATE
CATALOG NO.
SPECIFY CATALOG NO. AND SERIAL NO. WHEN ORDERING PARTS
Drwg. 4
Disassembly is not recommended and could void the warranty.
Straight Finishing Nailers
(2741-20 Shown)
Angled Finishing Nailers
(2743-20 Shown)
See
Pages 2, 3,
4 and 5 for
Service Replace-
ment parts for the
dierent Magazine
Attachments
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
1 44-60-1124 Solid Pin 1
2 44-60-1123 Solid Pin 2
3 42-09-0297 Release Bracket Pivot Arm 1
4 --------------- Release Latch 1
6 42-36-0205 Release Bracket 1
7 44-34-0009 Front Upper Receiver, 18 Ga. Straight 1
8 44-60-1122 Step Connecting Pin 1
9 44-34-0011 Rear Upper Receiver, 18 Ga. Straight 1
10 42-38-0142 No-Mar Pad 1
11 44-94-0204 Work Contact Bracket 1
12 06-81-0166 M4 x 0.7 x 7 Pan Hd. T-20 Screw 1
13 45-60-0033 Support Block 1
14 44-34-0012 Feed Lip, 18 Ga. Straight 1
15 --------------- Depth Adjustment Wheel 1
16 --------------- C-Ring 1
17 --------------- External Retaining Ring 1
21 40-50-1841 Spring 1
27 05-75-0011 M4 x 0.7 x 5.3 Cap Hd. Hex Screw 1
28 05-88-1210 M4 x 0.7 x 14 Pan Hd. T-20 Screw 1
37 44-20-0537 Latch 1
38 40-50-0372 Spring 1
39 44-60-0171 Coil Pin 2
40 44-66-0186 Magazine Back Plate 1
41 --------------- Latch Plate 1
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
42 06-82-1087 M3 x 12mm Pan Hd. ST T-10 Screw 2
46 34-60-2493 External Retaining Ring 1
50 43-40-0909 Stationary Magazine Assembly 1
51 43-40-0910 Sliding Magazine Assembly 1
52 45-94-0304 Depth Adjustment Wheel Kit 1
53 44-14-0307 Depth Adjustment Assembly 1
54 44-34-0013 Rear upper Receiver Assembly, 18 Ga. S 1
55 44-52-0011 No-Mar Pad/Work Contact Bracket Assy. 1
56 44-20-0176 Release Latch Assembly 1
84 48-55-3510 Contractor Bag 1
12
13
4
42
(2x)
41
6
7
8
9
14
28
50
27
37 38 40
39
(2x)
16
17
53
21
11
10
46
2
(2x)
1
3
10
11
55
4 41
42
56
1 2 3 6 7
8 9 46 56
54
15
15 16
17
52
37 38
39 40
51
84
2740-20, 18 Ga. Straight Finishing Nailer
Magazine Attachment
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
1 44-60-1124 Solid Pin 1
2 44-60-1123 Solid Pin 2
3 42-09-0295 Release Bracket Pivot Arm 1
4 --------------- Release Latch 1
5 --------------- Latch Plate 1
6 06-82-1087 M3 x 12mm Pan Hd. ST T-10 Screw 2
7 42-36-0205 Release Bracket 1
8 44-34-0049 Front Upper Receiver, 16 Ga. Straight 1
9 44-60-1122 Step Connecting Pin 1
10 44-34-0050 Rear Upper Receiver, 16 Ga. Straight 1
11 34-60-2493 External Retaining Ring 1
12 44-34-0051 Feed Lip, 16 Ga. Straight 1
13 06-81-0166 M4 x 0.7 x 7mm Pan Hd. T-20 Screw 1
14 06-82-3065 M5 x 0.8 x 15mm Pan Hd. T-25 Screw 1
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
23 44-81-0049 Magazine Channel, 16 Ga. Straight 1
24 40-50-1843 Constant Force Spring 1
26 44-96-0310 Magazine Roller 1
31 42-38-0143 No-Mar Pad 1
32 44-94-0206 Work Contact Bracket 1
33 --------------- Depth Adjustment Wheel 1
34 --------------- C-Ring 1
35 --------------- External Retaining Ring 1
38 40-50-1841 Spring 1
50 45-24-0329 Magazine Pusher Assembly 1
51 44-52-0012 No-Mar Pad/Work Contact Bracket Assy. 1
52 44-34-0016
Rear Upper Receiver Assy., 16 Ga. Straight
1
53 44-14-0309 Depth Adjustment Assembly 1
55 43-40-0911 Magazine Assembly, 16 Ga. Straight 1
56 44-20-0176 Release Latch Assembly 1
57 45-94-0304 Depth Adjustment Wheel Kit 1
74 06-82-3065 M5 x 0.8 Pan Hd. T-25 Machine Screw 1
84 48-55-3510 Contractor Bag 1
74
4
6
(2x)
5
7
8
9
10
12
11
50
24
26
23
14
3
1
2
(2x)
31
32
53
34
35
33
38
13
55
4 5
6
56
11
12
51
33 34
35
57
1 2 3 7 8
9 10 11 56
52
84
2741-20, 16 Ga. Straight Finishing Nailer
Magazine Attachment
84
2742-20, 16 Ga. Angled Finishing Nailer
Magazine Attachment
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
1 44-34-0045 Rear Upper Receiver, 16 Ga. Angled 1
2 44-60-1122 Step Connecting Pin 1
3 06-82-1087 M3.0 x 12mm Pan Hd. ST T-10 Screw 2
4 --------------- Latch Plate 1
5 --------------- Release Latch 1
6 42-36-0205 Release Bracket 1
7 44-60-1123 Latch Pin 2
8 42-09-0295 Release Bracket Pivot Arm 1
9 44-60-1124 Catch Pin 1
10 44-34-0046 Front Upper Receiver, 16 Ga. Angled 1
11 42-38-0141 No-Mar Pad 1
12 44-94-0202 Work Contact Rod 1
13 44-34-0047 Feed Lip, 16 Ga. Angled 1
14 --------------- Depth Adjustment Wheel 1
15 --------------- External Retaining Ring 1
16 --------------- C-Ring 1
20 40-50-1841 Depth Adjustment Spring 1
23 05-81-0166 M4.0 x 0.7 x 7mm Pan Hd. T-20 Screw 1
28 40-50-1843 Constant Force Spring 1
35 44-81-0047 Magazine Channel, 16 Ga. Angled 1
40 34-60-2493 External Retaining Ring 1
41 44-96-0310 Magazine Roller 1
42 05-81-0708 M5 x 0.8 x15mm T-25 Screw 1
50 45-24-0377 Magazine Pusher Assembly 1
51 44-52-0010 No-Mar Pad/Rod Assembly 1
52 44-34-0048
Rear Upper Receiver Assembly, 16 Ga. Angled
1
53 44-14-0305 Depth Adjustment Assembly 1
55 43-40-0907
Magazine Assy. for 9.0Ah batteries or smaller
1
55 43-40-0908
Magazine Assy. for 12.0Ah batteries or smaller
1
56 44-20-0176 Release Latch Assembly 1
57 45-94-0304 Depth Adjustment Wheel Kit 1
74 06-82-3065 M5 x 0.8 Pan Hd. T-25 Machine Screw 1
84 48-55-3510 Contractor Bag 1
6
10
2
1
13
8
9
7
7
11
12
40
11
12
51
1 2 6 7 8
9 10 40 56
52
50
28
41
35
42
55
74
53 20 23
16
14
15
14 15
16
57
5
4
3
(2x)
3 4
5
56
NOTE:
The inital Magazine design on model 2742-20 allows the tool
to operate o of several dierent M18 REDLITHIUM™ battery
sizes from a 1.5 amp-hours up to 9.0 amp-hours.
To power an earlier version of the 2742-20 with a 48-11-1812
M18™ REDLITHIUM™ 12.0 amp-hour battery, Magazine As-
sembly 43-40-0908 must be ordered and installed.
See the detail below to determine what magazine assembly
is on your tool.
Magazine Assembly
43-40-0907
No notch
Magazine Assembly
43-40-0908
Notch
84
2743-20, 15 Ga. Angled Finishing Nailer
Magazine Attachment
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
1 44-34-0005 Rear Upper Receiver, 15 Ga. Angled 1
2 44-60-1122 Step Connecting Pin 1
3 06-82-1087 M3.0 x 12mm Pan Hd. ST T-10 Screw 2
4 --------------- Latch Plate 1
5 --------------- Release Latch 1
6 42-36-0205 Release Bracket 1
7 44-60-1123 Latch Pin 2
8 42-09-0295 Release Bracket Pivot Arm 1
9 44-60-1124 Catch Pin 1
10 44-34-0006 Front Upper Receiver, 15 Ga. Angled 1
11 42-38-0141 No-Mar Pad 1
12 44-94-0202 Work Contact Rod 1
13 44-34-0007 Feed Lip, 15 Ga. Angled 1
14 --------------- Depth Adjustment Wheel 1
15 --------------- External Retaining Ring 1
16 --------------- C-Ring 1
20 40-50-1841 Depth Adjustment Spring 1
23 05-81-0166 M4.0 x 0.7 x 7mm Pan Hd. T-20 Screw 1
28 40-50-1843 Constant Force Spring 1
35 44-81-0045 Magazine Channel, 15 Ga. Angled 1
40 34-60-2493 External Retaining Ring 1
41 44-96-0310 Magazine Roller 1
42 05-81-0708 M5 x 0.8 x15mm T-25 Screw 1
50 45-24-0375 Magazine Pusher Assembly 1
51 44-52-0010 No-Mar Pad/Rod Assembly 1
52 44-34-0008
Rear Upper Receiver Assembly, 15 Ga. Angled
1
53 44-14-0305 Depth Adjustment Assembly 1
55 43-40-0901
Magazine Assy. for 9.0Ah batteries or smaller
1
55 43-40-0902
Magazine Assy. for 12.0Ah batteries or smaller
1
56 44-20-0176 Release Latch Assembly 1
57 45-94-0304 Depth Adjustment Wheel Kit 1
74 06-82-3065 M5 x 0.8 Pan Hd. T-25 Machine Screw 1
84 48-55-3510 Contractor Bag 1
NOTE:
The inital Magazine design on model 2743-20 allows the tool
to operate o of several dierent M18 REDLITHIUM™ battery
sizes from a 1.5 amp-hours up to 9.0 amp-hours.
To power an earlier version of the 2743-20 with a 48-11-1812
M18™ REDLITHIUM™ 12.0 amp-hour battery, Magazine As-
sembly 43-40-0902 must be ordered and installed.
See the detail below to determine what magazine assembly
is on your tool.
No notch
Magazine Assy.
43-40-0901
Notch
Magazine Assy.
43-40-0902
74
5
3
(2x)
4
6
10
2
1
13
50
8
9
7
11
12
40
53
16
14
15
23
20
28
41
35
42
55
11
12
51
1 2 6 7 8
9 10 40 56
52
14 15
16
57
3 4
5
56
