1
27
2
10
12
13
14
15
16
17
18
24
9
6
30
31
32
33
34
26
5
3
4
25
11 29
28
19
20
21
22
23
37
36
40
41
35
53
47
39
38
87
90
91
92
93
94
86
85
82
89
88
95
50
51
52
48
49
43
42
46
45
44
8
7
MILWAUKEE ELECTRIC TOOL CORPORATION
13135 W. Lisbon Road, Brookfield, WI 53005
Drwg.2

54-43-0050

SERVICE PARTS LIST BULLETIN NO.
0

00EXAMPLE:

Component Parts (Small #) Are Included
When Ordering The Assembly (Large #).
PAGE 1 OF 2
FIG. PART NO. DESCRIPTION OF PART NO. REQ.

A89A

REVISED BULLETIN DATE
Mar. 2006
WIRING INSTRUCTION
STARTING
SERIAL NUMBER
SPECIFY CATALOG NO. AND SERIAL NO. WHEN ORDERING PARTS

STRAIGHT FINISH NAILER

CATALOG NO. 7145-21

1 05-84-0845 Bolt Assembly 4
2 05-84-0805 Deflector Bolt 1
3 31-05-0400 Deflector 1
4 43-31-0355 Muffler 1
5 45-88-1720 Deflector Pad 1
6 42-92-1420 Top Cap 1
7 45-06-0925 Seal Gasket 1
8 45-06-0940 Seal 1
9 40-50-3110 Upper Valve Spring 1
10 44-62-0250 Head Valve Piston 1
11 34-40-3240 O-Ring 1
12 34-40-3175 O-Ring 1
13 42-76-0800 Valve Collar 1
14 45-06-0910 Top Cap Seal 1
15 44-90-0700 Cylinder Press Ring 1
16 44-90-0820 Piston Ring 1
17 34-40-3220 O-Ring 1
18 43-12-0250 Driver Assembly 1
19 34-40-3270 O-Ring 1
20 42-98-0350 Cylinder 1
21 44-90-0800 Cylinder Spacer 1
22 42-38-0300 Bumper 1
23 43-56-0895 Driver Guide 1
24 42-38-0360 Bumper Band 1
25 34-40-3295 O-Ring 1
26 34-40-3300 O-Ring 1
27 42-52-0410 Plunger Cap 1
28 44-70-0250 Trigger Valve Plunger 1
29 34-40-3285 O-Ring 2
30 34-40-3280 O-Ring 1
31 40-50-3195 Spring 1
32 44-70-0255 Plunger 1
33 34-40-3290 O-Ring 2
34 43-64-0150 Trigger Valve Head 1
35 06-65-1465 Spring Pin 1
36 06-65-1440 Spring Pin 2
37 06-65-1480 Spring Pin 1
38 31-92-0200 Trigger Assembly 1
39 40-50-3160 Spring 1
40 44-10-0650 Selector 1
41 40-50-3095 Selector Spring 1
42 44-86-0710 Retainer 1
43 44-90-0825 Ring 1
44 28-50-0800 Tool Body 1
45 44-90-0785 Snap Ring 1
46 43-31-0370 Filter 1
47 34-40-3250 O-Ring 1
48 42-92-1350 End Cap 1
49 05-84-0950 Socket Head Hex Screw 1
50 40-50-3180 Positioning Spring 1
51 45-08-0460 Positioning Shaft 1
52 42-70-0400 Spring Retainer (Belt Clip) 1
53 05-83-0525 Round Head Phillips Bolt 2
85 43-56-0865 Work Contact Element Guide 1
86 06-65-1405 Spring Pin 1
87 40-50-3050 Work Contact Spring 1
88 42-36-2050 Work Contact Assembly B 1
89 43-98-0755 Adjustment Knob 1
90 42-92-1495 Work Contact Element Cover 1
91 44-94-0570 Adjustment Rod 1
92 34-40-3310 O-Ring 1
93 42-36-1995 Work Contact Element Bracket A 1
94 44-90-0770 E-Ring 1
95 42-38-0320 No-Mar Pad 1
97 2526 27 28 29 30
3132 33 34 35 43
FIG. PART NO. DESCRIPTION OF PART NO. REQ.