47
6
46
40b
41
42
43
40a
45c
44
45a
45d
45b
23a
52
25
30 23b 27
34
35
28
32
3133
38
37
36
39
40a
40b
40
45a 45b
45c 45d
45
41 42
43
51
23a 23b
27
23
26
6 46
47
56
EXAMPLE:
Component Parts (Small #)
Are Included When Ordering
The Assembly (Large #).
0
00
49
48
3g
15 16
17 18
50
5b
5c
65
3
1
(4x)
2
4
5c
5b
5d
13
15
16
17
22
6
(4x)
7(4x)
5e
18
19
21
4 5b
5c 48
5
3g
Type 27
Guard is
Std. Equip.
Optional
Type 1
Guard
available.
Order No.
43-54-1210.
*LUBRICATION NOTE:
When servicing the Gear Case Assembly,
90-95% of the old grease must be re-
moved prior to new grease being added.
FIG. LUBRICATION*
5 Type "Y" Grease, No. 49-08-5270,
Must Be Applied To All Gear Teeth.
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
1 05-88-1650 M4 x 25mm Pan Hd. ST Screw T-20 (4)
2 42-62-0120 Side Handle Assembly (1)
3 14-30-1156 Gearcase Assembly (1)
3g 02-04-0620 Ball Bearing (1)
4 34-40-0560 O-Ring (1)
5 14-73-0462 5/8-11 Spindle Hub Kit (1)
5b --------------- Steel Pin (1)
5c --------------- Spring (1)
5d 44-20-0875 Guard Locking Tang (1)
5e 45-04-0031 M3 x 5mm Pan Hd. ST t-8 Screw (1)
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
6 05-90-0225 Spring Washer (6)
7 05-78-5316 M4 x 14mm Pan Hd. Tapt. Screw T-20 (4)
13 43-54-1200 4.5" Type 27 Guard (Standard Equip.) (1)
13 43-54-1210 4.5" Type 1 Guard (
Optional, Not Shown)
(1)
15 --------------- O-Ring (1)
16 --------------- Wavey Spring (1)
17 --------------- Flange with Ramps (1)
18 --------------- Retaining Ring (1)
19 43-34-0935 Inner Disc Flange (1)
21 44-40-0035 Outer Flange Nut (1)
22 49-96-7215 Spanner Wrench (1)
23 14-34-6105 Rear Handle Set (1)
23a --------------- Left Handle Halve (1)
23b --------------- Right Handle Halve (1)
25 44-76-0095 Cord Protector (1)
26 22-64-3430 Power Cord (1)
27 05-88-1300 M4 x 28mm Pan Hd. ST Screw T-20 (4)
28 22-56-0150 Close End Connector (1)
30 22-09-1820 PCB Assembly (1)
31 23-74-1620 Terminal (1)
32 23-74-1615 Terminal (1)
33 23-66-2665 On-OSwitch (1)
34 31-84-0080 Slide Pole - Back (1)
35 31-84-0085 Slide Pole - Front (1)
36 05-88-0030 M3 x 8.5mm Pan Hd. ST Screw T-10 (2)
37 22-18-2240 Carbon Brush Assembly (Set of 2) (1)
38 31-89-0245 Slide Switch Button (1)
39 31-50-0676 Motor Housing (1)
MILWAUKEE TOOL ● www.milwaukeetool.com
13135W.LisbonRoad,Brookeld,WI53005
Drwg. 3
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
40 18-07-0275 Field Assembly (1)
40a --------------- Field Halve (1)
40b --------------- Field Halve (1)
41 42-28-0085 Rubber Block (2)
42 --------------- BaeFoot (1)
43 --------------- Bae (1)
44 42-96-0017 Rubber Bearing Cap (1)
45 16-10-0850 Armature Assembly (1)
45a 02-04-2110 Ball Bearing (1)
45b --------------- Armature (1)
45c 45-88-0406 Washer (1)
45d 31-86-0090 Plastic Disc (1)
46 05-78-0105 M4 x 10mm Pan Hd. Tapt. Screw T-20 (2)
47 44-86-0155 Bearing Retainer (1)
48 --------------- Pinion (1)
49 05-55-0620 M5 Hex Nut (1)
50 14-46-6105 Flange with Ramps Assembly (1)
51 42-14-0520 BaeAssembly (1)
52 05-78-0305 M3.5 x 7mm Pan Hd. Phil. Switch Scr. (2)
53 12-20-1560 Service Nameplate (Not Shown) (1)
56 44-86-0145 Bearing Retaining Plate Assembly (1)
65 14-46-0241 Spring/Pin Kit (1)
«
«= Part number change
from previous service
parts list.
«
BULLETIN NO.
54-38-2224
SERVICE PARTS LIST
CATALOG NO. 6146-33
REVISED BULLETIN
SPECIFY CATALOG NO. AND SERIAL NO. WHEN ORDERING PARTS
4.5" COMPACT ANGLE GRINDER w/ SLIDE SWITCH
SERIAL NO.
DATE
June 2025
WIRING INSTRUCTION
D04E
See Page 2
54-38-2223
AS AN AID TO REASSEMBLY, TAKE NOTICE OF
WIRE ROUTING AND POSITION IN WIRE GUIDES
AND TRAPS WHILE DISMANTLING TOOL.
BE CAREFUL AND AVOID PINCHING WIRES
BETWEEN HANDLE HALVES WHEN ASSEMBLING.
= WIRE TRAPS
or GUIDES
5
7
6
3
4
3
6
7
4
8
9
1
2
10
11
Sleeve
11
10
9
8
5
Close End
Connector
(C1)
PCB
Assembly
NOTE:
Install the two terminals onto switch
and slide the switch down into the
motor housing prior to installing
cord wires 1 and 2 and PCBA wires
3 and 6 from under motor housing.
PCB Assembly
Sleeve
(C1)
Cord jacket is to
extend .125” beyond
the clamping area.
5
7
6
3
4
9
4
1
10
8
2
10
11
Wire Wire Origin or
No. Color Part No. Gauge Length Terminals, Connectors and End Wire Preparation
1 Black 22-64-3430 -- -- Component of Cord Set. Connect to Switch.
2 White 22-64-3430 -- -- Component of Cord Set. Connect to Switch.
3 Black 22-09-1820 -- -- Component of PCBA. Connect to Switch.
4 Red 22-09-1820 -- -- Component of PCBA. Connect to C1 with wire #10.
5 White 22-09-1820 -- -- Component of PCBA. Connect to Switch.
6 White 22-09-1820 -- -- Component of PCBA. Connect to Switch.
7 Black 22-09-1820 -- -- Component of PCBA. Connect to Switch.
8 Black 18-07-0275 -- -- Component of Field. Connect to Switch.
9 Black 18-07-0275 -- -- Component of Field. Connect to Right Brush Assy.
10 Black 18-07-0275 -- -- Component of Field. Connect to C1 with wire #4.
11 Black 18-07-0275 -- -- Component of Field. Connect to Left Brush Assy.
BULK LEAD WIRE - BULLETIN 58-01-0003
WIRING SPECIFICATIONS
Qnty.
TERMINAL DESCRIPTION
Part No.Code
NOTE:
All leads must be held to ± 1/16".
All lead lengths are before stripping.
CONNECTOR DESCRIPTION
C1 22-56-0150 1
