Parts List

0
00
38
39
40
41
42
4 5
7
3
30 31
32
17
17 18 19 20
30 31 32
16
22 23 38 39
40 41 42
21
13
36
37
36
37
B
A
43
44
1B
44
1A
43
1A 1B
43 44
1
CORDLESS 28 VOLT 4-1/2" GRINDER
0725-20
B40A
54-38-0725
SEE REVERSE SIDE
June 2008
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
1 31-50-0725 Housing Set [Consists of 1A and 1B] (1)
1A --------------- Left Handle Half [Consists of 43] (1)
1B --------------- Right Handle Half [Consists of 44] (1)
2 18-01-0756 Field (1)
3 16-07-0235 Armature Assy. [Consists of 4,5,7] (1)
4 22-84-0940 Fan (1)
5 02-04-0056 Ball Bearing (1)
6 45-36-2030 Spacer (1)
7 43-06-0170 Commutator Insulator (1)
8 42-14-0125 Baffl e (1)
9 23-66-1175 Switch Button (1)
10 31-84-0075 Switch Slide (1)
11 40-50-0515 Lock-Spring (1)
12 42-96-0205 Rubber Sleeve (1)
13 22-22-0725 Brush Card Assy. [Consists of 36,37] (1)
REVISED BULLETIN
SERVICE PARTS LIST
BULLETIN NO.
WIRING INSTRUCTION
DATE
SPECIFY CATALOG NO. AND SERIAL NO. WHEN ORDERING PARTS
CATALOG NO.
MILWAUKEE ELECTRIC TOOL CORPORATION
13135 W. LISBON RD., BROOKFIELD, WI 53005
Drwg. 3
STARTING
SERIAL NO.
EXAMPLE:
Component Parts (Small #) Are Included
When Ordering The Assembly (Large #).
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
14 14-20-0475 Electronics Module Assembly
[Consists of connector block and
micro switch] (1)
15 44-66-0175 Detent Plate (1)
16 14-30-0425 Gearcase Assembly
[Consists of 17,18,19,20,30,31,32] (1)
17 44-20-0245 Spindle Lock Assy. [Contains 30,31,32] (1)
18 02-04-0064 Ball Bearing (1)
19 44-86-0215 Washer (1)
20 44-90-4425 Locking Ring (1)
21 14-29-0255 Spindle Hub & Gear Set
[Consists of 22,23,38,39,40,41,42] (1)
22 32-60-0190 Pinion Gear (1)
23 45-06-0520 O-Ring (1)
24A 28-41-0580 Grinding Guard (1)
24B 28-41-0575 Cutting Guard (1)
25 05-88-9904 3.9 x 32 Pan Hd. Torx Screw (4)
26 05-81-0210 M4 x 18 Pan Hd. Torx Screw (4)
27 05-81-0225 3.9 x 13 Pan Hd. Torx Screw (3)
28 05-81-0985 4 x 15 Pan Hd. Torx Screw (4)
29 05-55-0070 M7 x 1 Armature Nut (1)
30 31-15-0175 Spindle Lock Cover (1)
31 40-50-0445 Spindle Lock Spring (1)
32 44-60-0275 Spindle Lock Shaft (1)
33 49-05-0140 Inner Flange (1)
34 49-05-0051 Outer Flange (1)
35 49-15-0415 Side Handle (1)
36 --------------- Brush Spring (2)
37 --------------- Carbon Brush (2)
38 --------------- Locking Cog (1)
39 --------------- Bevel Gear (1)
40 --------------- Spindle Hub w/ Bearing (1)
41 --------------- Washer (1)
42 --------------- Spindle Shaft (1)
43 --------------- Rubber Slug (2)
44 --------------- Rubber Slug (3)
12-20-0725 Service Nameplate (Not Shown) (1)
10-20-1165 Warning Label (Not Shown) (1)
49-96-7205 Spanner Wrench (Not Shown) (1)
FIG. NOTES:
1A, 2 Place notch in fi eld [2] on pointed
fi eld boss located on the top front
of left handle half [1A].
1A, 8 Insert baffl e [8] into slots on front
of left handle half [1A]. Baffl e has
pointed tabs at the 3 o'clock and
9 o'clock positions. Orient baffl e
with blunter point against wall in
[1A].
15,27,28 Screws [27] and detent plate [15]
must be removed before install
ing or removing screws [28].
FIG. LUBRICATION:
16 1/8 oz. Type 'Y' grease.
No. 49-08-5270.
22,39 Type 'Y' grease must be
applied to all gear teeth.