Milwaukee 2811-20 Service Parts List

SPECIFY CATALOG NO. AND SERIAL NO. WHEN ORDERING PARTS

CATALOG NO.

50

95

SERVICE PARTS

M18™ FUEL™ 7/16" Hex Super-Hawg

2811-20

91

57

(2x)

STARTING
SERIAL NO.

K58A

BULLETIN NO.

54-10-2750

REVISED BULLETIN

®

WIRING INSTRUCTION

See pages 4 & 5

EXAMPLE:

00

Component Parts (Small #) Are Included

0

When Ordering The Assembly (Large #).

DATE

July 2019

66

NOTE: As an aid when

installing Rotor, loosen

four rear screws on

Motor Cage Assy.

Slide Rotor
into Stator
and seat rear
ball bearing in
motor cage cavity.
Retighten four screws.

69

(4x)

77

100

SCREW TORQUE CHART

Seat Torque
Item Part Number (Kg./cm.) (In./lbs.)

5 05-88-9915 60-65 52-56
7 05-88-0510 30-45 26-39
16 06-82-5411 45-55 30-43
19 06-75-3155 140-160 122-139
26 06-82-0044 16-20 13-17
30 06-82-5360 75-86 65-74
57 06-82-5324 46-58 40-50
68 06-82-7240 13-15 11-13
69 06-82-5285 12-17 10-14
78 06-82-0130 6-10 5-8
102 06-82-2368 8-12 7-10

67

76

68

(6x)

70

70

93

71

92

71

FIG. PART NO. DESCRIPTION OF PART NO. REQ.

26 06-82-0044 M4 x 18mm Pan Hd. ST T-20 Screw (8)
50 43-44-0705 Gasket (1)
57 06-82-5324 10-24 x 1/2" Pan Hd. Tapt. T-25 Screw (2)
65 --------------- Right Handle Halve (Cover) (1)
66 12-20-0233 Service Nameplate (1)
67 --------------- Left Handle Halve (Support) (1)
68 06-82-1080 M3 x 14mm T-10 ST Screw (6)
69 06-82-5285 6-32 x .5 Pan Hd. Tapt. T-15 Screw (4)
70 --------------- Motor Cage Support - Right (1)
71 --------------- Motor Cage Cover - Left (1)
76 42-42-0013 Forward/Reverse Shuttle (1)
77 44-60-2210 Pin (1)
90 31-44-0094 Handle Assembly (1)
91 16-01-0037 Rotor Assembly (1)
92 14-20-0113 Electronics Assembly

   Contains:Stator,PCBA,On-O󰀨Switch,

LED, Battery Connector Block (1)
93 23-16-0012 Motor Cage Assembly (1)
95 14-13-0015 Diaphragm Assembly with Needle Bearings (1)
100 48-55-3565 FUEL™ Contractor Bag - Large (1)

t

IMPORTANT!
To prevent damage to the High Voltage Wire Assembly, a com­ponent in the Electronics Assembly #92, see service note on
page 4 prior to removing the Motor Cage Cover #71.

90

26 65
66 67

26

(8x)

65

MILWAUKEE TOOL l www.milwaukeetool.com

13135 W. LISBON RD., BROOKFIELD, WI 53005

Drwg. 1

5

(2x)

Secure Top Handle (4) to the Gear
Case (97) with two Screws (5) only
after Insulated Boot (3) is installed.

4

97

9

10

11

12

13

16

(4x)

14

15

20

21

22

25

102

See page three for
assembly details

82

7

(4x)

Flat side

towards

tool

45

23

(2x)

24

(2x)

27

48

‘Bearing Side’
stamped on part

28

29

44

32

47

74

75

31

33

73

(2x)

30

(2x)

34

99

3

Flat side towards
Clutch Hub
Assembly (94)

35

44

94

43

46

45

72

(2x)

50

95

101

19

FIG. PART NO. DESCRIPTION OF PART NO. REQ.

3 45-12-0020 Insulated Boot (1)
4 31-44-2709 Top Handle (1)
5 05-88-9915 M5 x 1.23 x 25mm Pan Hd. DG T-25 Screw (2)
7 05-88-0510 M5 x 80mm Pan Hd. T-20 PT Screw (4)
9 38-50-0027 Spindle (1)

10 06-42-2400 Woodru󰀨Key (1)

11 32-05-0400 Bevel Gear (1)
12 34-40-0005 O-Ring (1)
13 28-53-0095 Spindle Mounting Hub (1)
14 02-04-2031 Ball Bearing (1)
15 34-80-2980 Retaining Ring (1)
16 06-82-5411 10-24 x .625 Pan Hd. Taptite T-25 Screw (4)
19 06-75-3155 1/4-20 x 1" Socket Head Screw-LH Thread (1)
20 34-40-1570 O-Ring (1)
21 28-53-0085 Shifting Hub (1)
22 44-86-0032 Retaining Ring (1)
23 02-02-1300 Steel Ball (2)
24 40-50-8690 Detent Spring (2)
25 43-98-0067 Shifting Knob (1)
27 32-60-0280 Bevel Pinion (1)
28 02-04-1055 Ball Bearing (1)
29 44-66-1005 Bearing Retaining Plate (1)
30 06-82-5360 1/4-20 x .625 Pan Hd. Taptite T-30 Screw (2)
31 32-44-0500 2nd Intermediate Gear Assembly - High (1)

32 06-42-0800 Woodru󰀨Key (1)

33 36-66-0300 2nd Intermediate Shaft (1)
34 42-90-0015 Shifting Ring (1)
35 43-12-0065 Drive Hub (1)
43 34-60-1450 E-Ring (1)
44 45-88-0395 Thrust Washer (4)
45 02-80-0180 Thrust Bearing (2)

FIG. PART NO. DESCRIPTION OF PART NO. REQ.
46 32-42-0200 1st Intermediate Gear (1)
47 32-60-0018 2nd Intermediate Pinion - High (1)
48 32-60-0405 2nd Intermediate Shaft (1)
50 43-44-0705 Gasket (1)
72 44-94-0012 Shifting Rod (2)
73 40-50-0067 Shifter Spring (2)
74 42-76-0281 Short Shift (1)
75 42-76-0271 Long Shift (1)
82 31-86-0010 Spacer (1)
94 14-08-0010 Clutch Hub Assembly (1)
95 14-13-0015 Diaphragm Assembly with Needle Bearings (1)
97 14-30-0505 Gearcase Assembly with Needle Bearings (1)
99 14-34-0030 Side Handle Assembly (1)
101 42-66-0055 7/16" Hex Chuck Assembly (1)\
102 06-82-2368 3.5 x 16mm Pan Hd. ST T-10 Screw (1)

44

48

47

45

1. Use Type ‘Y’ Grease,
No. 49-08-5275 to lubricate
parts 44, 45, 46, 47, 48 and
assemble together. Install
onto the diaphragm service
fixture as shown.

Parts 27, 28, 29, 31, 32, 33,
34, 35, 43 and 94.

72

46

44

45

2. Use Type ‘Y’ Grease, No. 49-08­ 5275 to lubricate parts 27, 28, 29,
31, 32, 33, 35 and 94. Assemble
together and contain with E-Ring

43. Install onto the diaphragm
service fixture as shown. Use a
Shifting Rod, 72 to properly align
the holes in the Bearing
Retaining Plate with the holes in
the service fixture. Remove the
Shifting Rod.

2

1

3. Use Type ‘Y’ Grease,
No. 49-08-5275 to

74

73

75

74

3

lubricate parts 73, 74
and 75. Assemble parts
together as shown.
Install onto Shifting
Ring 34, lining up the
Shifting Rod holes of
29, 74 and 75.

29

34

DIAPHRAGM
SVC FIXTURE

Extra/Old Diaphragm

(with needle bearings)

Epoxy Epoxy

.5”

.75”

Mounting Base

(Approx. 6” x 6” x 1”)

As an aid to reinstalling the
gearing/clutch mechanism
into a FUEL™ Super-Hawg®,
a fixture can be made with
an old used diaphragm (with
the needle bearings) and a
piece of mounting stock such
as a piece of wood. A fixture
such as this will free both
hands for assembling.

34

4. Carefully feed both Shifting Rods through the holes in the
Bearing Retaining Plate and the Long and Short Shift
Plates down into the corresponding holes in the service
fixture. Carefully place the Gearcase Assembly over the
gearing and onto the service fixture. Turn the assembly
over and remove the diaphragm service fixture.

5

5. Secure gear/clutch mechanism
into Gearcase Assembly (97) by
using a long T-30 bit to drive two
06-82-5360 Screws.

4

Place approximately 8.11 ounces
(230 grams) of ‘Y’ Grease down
and around the gear and clutch
mechanism inside the gear case.

Place approximately 1.76 ounces
(50 grams) of ‘Y’ Grease around
the bevel pinion and bevel gear
cavity of the gear case.

Place approximately 2.11 ounces
(60 grams) of ‘Y’ Grease into
this area of the diaphragm
assembly.

LUBRICATION NOTES:

Type ‘Y’ Grease No. 49-08-5270, 6oz./170g tube

The entire amount of two tubes will be needed.
or
Type ‘Y’ Grease No. 49-08-5275, 14oz./396g tub (can)

When servicing, remove 90-95% of the existing grease prior to installing Type 'Y'.
Original grease may be similar in color but not compatible with 'Y'.

DO NOT wash Clutch Hub Assembly #94. Prior to reinstalling, clean gear assemblies with a clean, dry cloth.

WIRING

As an aid to reassembly, take notice of wire routing and
position in wire guides and traps while dismantling tool.

Be sure that all components of the electronics kit are seated

rmly and squarely in the handle recesses.

Avoid pinched wires, be sure that all wires and sleeves are
pressed completely down in wire guides and traps.

Prior to installing the handle cover onto the handle support,
be sure that there are no interferences.

Note:

2809-20 shown in this illustration.

Step 1.

Place the LED into the slot as picture shows.

Step 2.

Place the ribbon cable and wires in traps and
make sure they are below the ribs.

WIRING

Step 3.

Place the SSD Board.

Step 5.

Place the Forward/Reverse Shuttle in handle as
picture shows above.

Step 4.

Place the Switch and Switch Wire where
shown in the picture above.

7.

4.

1.

6.

2.

8.

Step 6.

Assemble Handle Halves and secure with
screws in the sequence shown above.

3.

5.