Service Parts List S/N 070B

FIG. PART NO. DESCRIPTION OF PART NO. REQ.
1 02-04-0640 Ball Bearing (1)
2 02-04-0645 Ball Bearing (1)
3 02-04-0852 Ball Bearing (1)
4 02-04-1229 Ball Bearing (1)
5 02-50-1611 Needle Bearing (1)
6 02-50-2400 Needle Bearing (1)
7 22-84-0845 Fan (1)
8 06-54-0325 3/8-16 Square Nut (1)
9 06-75-2850 3/8-16 x 5-1/2 Hex Cap Screw (1)
10 06-75-3150 1/4-20 x 1 L.H. Thread Slt. Screw (1)
11 06-82-7275 7-18 x 3/4 Slotted Plastite T-20 (6)
12 12-99-2565 Service Nameplate (1)
13 16-10-2210 Armature (1)
14 18-07-2206 Field (1)
15 22-18-1210 Brush Card Assembly (1)
16 44-76-0210 Cord Protector (1)
17 22-64-1130 Cord Set (1)
18 23-66-2605 Switch (1)
19 28-14-2390 Gearcase (1)
20 28-28-2320 Diaphragm (1)
21 31-15-2010 Handle Halve (1)
22 31-50-4050 Motor Housing (1)
23 32-40-0100 Intermediate Gear (1)
24 32-75-0100 Spindle Gear (1)
25 34-80-2300 Retaining Ring (1)
26 36-66-0100 Intermediate Shaft (1)
27 38-50-5735 Spindle (1)
28 42-14-0450 Baffl e Assembly (1)
29 42-68-0800 Side Handle Clamp (1)
30 43-44-0985 Gasket (1)
31 43-62-0845 Side Handle (1)
32 44-60-1700 Ground Pin (1)
34 45-36-1095 Spindle Spacer (1)
35 45-88-7990 Thrust Washer (1)
36 45-30-0030 Slug (2)
37 48-66-1355 1/2 Chuck (1)
WIRING INSTRUCTION
REVISED BULLETIN DATE
SERVICE PARTS LIST
MILWAUKEE ELECTRIC TOOL CORPORATION
13135 W. LISBON RD., BROOKFIELD, WI 53005
Drwg. 2
BULLETIN NO.
STARTING
SERIAL NO.
54-06-2926
58-01-1806
SPECIFY CATALOG NO. AND SERIAL NO. WHEN ORDERING PARTS
0300-20
CATALOG NO.
1/2 INCH DRILL
June 2011
070B
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
38 48-66-3280 Chuck Key (1)
39 48-66-4040 Chuck Key Holder (1)
40 45-30-0035 Slug (1)
41 23-52-1610 Brush Spring (2)
42 22-18-1310 Brush Assembly (2)
43 49-15-0265 Side Handle Assembly (1)
00
0
EXAMPLE:
Component Parts
(Small #) Are Included
When Ordering The
Assembly (Large #).
LUBRICATION (Type "Y" Grease, No. 49-08-5270)
• Place 5 gm. (.02 oz.) of grease on top of the inserted intermediate
ball bearing (1) and on the intermediate pinion (26).
• After inserting all gearing, place 13 gm. (.46 oz.) of grease at the
armature pinion location in the gearcase (19) and fi ll to the top of
the intermediate gear (23). Grease must contact at least 25% of
the intermediate gear teeth.
Before assembly, lightly coat all press fi t areas with
lightweight spindle oil.
FIG. NOTES:
4,24 Support the output ball bearing inside the gearcase before
pressing off the spindle gear.
5,6 Needle bearings to be pressed fl ush to .010 under fl ush
from the end which has the vendors identifi cation.
Cat. No. 31-53-0205
Lock Button Plug


= Part number change from
previous service parts list.
54-06-2925