Service Parts List S/N B79B
12
15
10
13
59
60
6
7
6
5
4
16
49
26
24
25
20
23
21
22
19
18
17
61
35
39
38
37
40
43
62
63
42
48
39 40
43
36
32
64
29
47
27
28
44
27 28 32
33 47 64
33
65
8
12
19
69
6
7
70
71
6 7
15
31
31 36 37 61
72 73 74 75
50
74
72(2x)
73(2x)
75
77
31 72 73
74 75
76
72 73
74 75
80
8 42-06-0670 1/2” Anvil
59 44-60-1170 Detent Pin
60 40-50-8320
Detent Spring
PRIMARY ANVIL DESIGN for the
2662-20 (Serial Break ‘B’)
NOTE:
For the 2662-20 (serial break ‘B’):
Both Anvil designs illustrated at the right are
being discontinued along with correspond-
ing Camshaft/Hammer Service Kit (69). When
inventories for the above are depleted, the
service replacement will be Cat. No. 42-06-
0061, Anvil/Camshaft Service Kit.
BULLETIN NO.
SERVICE PARTS LIST
54-26-2661
Mar. 2016
REVISED BULLETIN
54-26-2660
DATE
WIRING INSTRUCTION
FIG. PART NO. DESCRIPTION OF PART NO.REQ.
4 05-88-5988 M5 X 35mm Pan Hd. Slt. T-20 Screw (4)
5 14-30-0870
Front Housing Assy. w/Bushing and O-Rings
(1)
6 --------------- Washer (2)
7 --------------- Thrust Bearing (1)
8 42-06-0057 1/2" Anvil (1)
10 45-88-1006 Washer (1)
12 --------------- Hammer (1)
13 02-80-0200 Thrust Bearing (1)
15 --------------- Compression Spring (1)
16 45-88-1650 Washer (1)
17 02-02-7010 7/32" Ball (1)
18 02-02-0250 1/4" Ball (2)
19 --------------- Camshaft (1)
20 32-65-0260 Ring Gear (1)
21 32-62-0500 Planet Gear (3)
22 44-60-1960 Pin (3)
23 45-88-1655 Washer (1)
24 02-04-0375 Ball Bearing (1)
25 34-40-0290 Seal Ring (1)
26 44-66-0895 Motor Mount Plate (1)
27 --------------- Ball Bearing - Front (1)
28 --------------- Pinion (1)
29 18-01-3025 Service Field Assembly (1)
31 --------------- Brush Card (1)
32 --------------- Washer (1)
33 --------------- Ball Bearing - Rear (1)
35 45-24-0570 Forward / Reverse Shuttle (1)
36 --------------- Switch (See Item 50) (1)
37 --------------- Connector Block (1)
38 40-50-1090 Compression Spring (1)
39 --------------- Handle - Left (1)
See Page 3
B79B
STARTING
SERIAL NO.
2662-20
CATALOG NO.
M18™ 1/2" SQUARE IMPACT WRENCH
SPECIFY CATALOG NO. AND SERIAL NO. WHEN ORDERING PARTS
MILWAUKEE ELECTRIC TOOL CORPORATION
13135 W. LISBON RD., BROOKFIELD, WI 53005
Drwg. 2
FIG. PART NO. DESCRIPTION OF PART NO.REQ.
40 --------------- Handle - Right (1)
42 06-82-0995 M4 x 16mm Pan Hd. T-20 Screw (9)
43 45-30-0255 Rubber Slug (4)
44 16-01-3030 Armature Assembly (1)
47 --------------- Retaining Ring (1)
48 31-44-0695 Handle Set (1)
49 45-22-0380 Rubber Cap (1)
50 22-56-1450 Switch/Connector Block Assembly (1)
59 44-60-0597 Detent Pin (1)
60 40-50-0925 Detent Spring (1)
61 --------------- Wire Harness (1)
62 12-20-2670 Service Nameplate Kit (1)
63 10-20-2695 Warning Label (1)
64 --------------- Washer (1)
65 42-55-2665 Carrying Case, Optional (1)
69 14-46-2070 Camshaft/Hammer Service Kit (1)
70 45-88-1877 Washer/Bearing Kit (1)
71 14-46-0755 Spring/Washer/Bearing Kit (1)
72 05-88-0928 M3 x 5mmPan Hd. T10 Screw (2)
73 45-88-1980 Spring Washer (2)
74 --------------- Leadwire Assembly - Red (1)
75 --------------- Leadwire Assembly - Black (1)
76 14-46-2395 Leadwire/Screw/Washer Kit (1)
77 14-46-2024 Brush Card Assembly (1)
80 44-60-0465 Roller Pin (1)
Wire Harness
(61) plugs into
bottom of Switch (36).
NOTE:
Compression spring (38)
is positioned between the
bottom/back of the left
housing half (39) and the
back of the connector
block (37) as shown.
*
38
39
37
FIG. LUBRICATION
(Type 'Z' Grease, No. 49-08-7655):
20,21 Lightly coat the I.D. of the Ring Gear (20) and the center of
the three Planet Gears (21) with grease.
19 Place a dab of grease in ball grooves of the Cam Shaft (19).
8 Lightly coat the front washer surface of Anvil (8) with grease,
place a dab in the Ball hole on the backside of Anvil.
2 Coat outside grooves of Bushing (2) with grease.
«
«
«
«