Milwaukee 3651-20 User manual

Milwaukee
Brand
Milwaukee
Model
3651-20
Category
Car kits
Type
User manual

The Milwaukee 3651-20 M18™ Compact Brushless 1/4" Hex Impact Driver is a powerful tool designed for a wide range of driving applications. With its compact size and lightweight design, it offers excellent maneuverability and control, even in tight spaces. The brushless motor delivers up to 2,500 RPM and 3,000 IPM, making it ideal for driving screws, nuts, and bolts into various materials. The impact mechanism provides additional power for tackling tough jobs, while the three-speed selector allows you to adjust the speed and torque to match the task at hand.

The Milwaukee 3651-20 M18™ Compact Brushless 1/4" Hex Impact Driver is a powerful tool designed for a wide range of driving applications. With its compact size and lightweight design, it offers excellent maneuverability and control, even in tight spaces. The brushless motor delivers up to 2,500 RPM and 3,000 IPM, making it ideal for driving screws, nuts, and bolts into various materials. The impact mechanism provides additional power for tackling tough jobs, while the three-speed selector allows you to adjust the speed and torque to match the task at hand.

BULLETIN NO.
54-26-2885
SERVICE PARTS LIST
CATALOG NO. 3651-20
REVISED BULLETIN
SPECIFY CATALOG NO. AND SERIAL NO. WHEN ORDERING PARTS
M18™ Compact Brushless 1/4" Hex Impact Driver (3 Speed)
DATE
June 2023
WIRING INSTRUCTION
N61A See Pages 2 & 3
MILWAUKEE TOOL l www.milwaukeetool.com
13135 W. LISBON RD., BROOKFIELD, WI 53005
Drwg. 4
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
1 05-92-1010 Retaining Ring (1)
2 45-88-2026 Washer (1)
3 40-50-0056 Spring (1)
4 42-76-0019 Sleeve (1)
5 45-88-1547 Washer (1)
6 --------------- Front Gear Case (1)
7 --------------- Steel Ball (2)
8 --------------- Anvil (1)
9 --------------- Gearbox Mechanism (1)
19 --------------- Gearcase Endcap (1)
20 34-40-0304 O-Ring (1)
21 05-88-0106 M2 x .89 PT Screw (4)
24 --------------- Stator (1)
29 --------------- Belt Clip (1)
30 06-82-2500 6-32 x 5/16 Slt. Pan Hd. T-15 Mach. Sc. (1)
31 06-82-2367 M3 x 38mm Pan Hd. ST T-10 Screw (2)
32 06-82-6351 M3 x 16mm Pan Hd. ST T-10 Screw (7)
33 45-24-9030 Shuttle (1)
37 --------------- Speed Selector Label (1)
38 --------------- Spring Plate (1)
40 ---------------
Speed Selector Switch w/ Magnet Assembly
(1)
41 --------------- Handle Cover (1)
42 --------------- Handle Support (1)
43 --------------- Main PCBA (1)
44 12-20-9890 Service Nameplate (1)
45 42-55-2407 Contractor Bag (1)
48 14-34-6610 Handle Housing Service Kit (1)
49 14-30-6295 End Cap Service Kit (1)
50 42-70-0950 Belt Clip Kit (1)
EXAMPLE:
Component Parts (Small #)
Are Included When Ordering
The Assembly (Large #).
0
00
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
51 14-29-9005 Gearcase/Anvil Service Kit (1)
53 14-20-9330 PCBA/Motor Stator Service Assembly (1)
54 14-34-6615 Gear Box Impacting Service Assembly (1)
55 14-46-9865 Rotor Service Assembly (1)
56 14-46-9870 Speed Selector Switch Service Kit (1)
1 2 3 4
5 6 7 8
51
5
6
19
20
1
2
3
4
43
45
29
37
40
38
30
44
41
31
(2x)
32(7x)
21
(4x)
33
24
42
55
29
30
50
37 38
40
56
21 24
43
53
31 32
41 42
44
48
19
20
49
8
7
(2x)
9
9
19
20
54
FIG. LUBRICATION
Use Type 'J' Grease, No. 49-08-4220 (1 lb. can)
Service grease may not be compatable with grease used
during manufacturing. 90-95% of the old grease must be
removed prior to any new grease being added.
8 Lightly coat front washer surface of anvil with grease,
place a dab in the ball cavities of anvil.
51 Coat inside of bushing inside front gearcase with grease.
54 NOTE: Do not wash impact assembly. Use a clean, dry cloth
to wipe away any excess grease or contamination.
54 Lightly coat the I.D. of the ring gear and the center of the
planet gears of impacting assembly with grease.
55 Coat pinion of rotor assembly with grease.
SERIAL NO.
DRAFT
3651
STEP 1: Place PCBA rmly and squarely in cavities of left housing halve.
STEP 2: Carefully insert rotor into stator. Place rotor/stator in handle half
at 15 degrees so rear rotor bearings t into pocket and stator ts into
grooves/ribs of left housing halve. Arrange wires as shown above.
WIRING INSTRUCTIONS (page 1 of 2)
STEP 3: Install LED lens into housing halve recess. Route light wire in
traps as shown in image above, with black wire above white wire.
STEP 4: Assemble gear box/impact assembly onto rotor pinion. Be sure
gear box, rotor and stator are rmly and squarely seated in left housing
halve and that the rotor fan has movement.
STEP 5: Place on-o switch rmly and squarely in cavity of left housing
half. Be sure ribbon wire is tucked in channel, and all previously placed
wires are still captured in properly in wire traps and channels.
On-O
Switch
STEP 9: Check that all elements of electronics assembly are seated
properly and that all wires are pressed completely down in wire traps
and channels.
Carefully install right housing halve-cover onto left housing halve-support.
Watch for pinched wires. Secure with nine housing halve screws.
Check functionality of shuttle, on-o switch and speed selector slide
before installing battery.
STEP 7: Place battery terminal block and hall sensor rmly and squarely
into cavities of left housing halve. Be sure to capture hall sensor wires in
trap as shown.
STEP 6: Install shuttle onto on-o switch being sure that top switch tab
is captured in the bottom cavity of shuttle. Check for proper shuttle and
switch functionality.
WIRING INSTRUCTIONS (page 2 of 2)
STEP 8: Install spring plate and speed selector slide into left housing
halve.
Speed Selector
Slide
Spring
Plate
Battery Terminal
Block
Hall Board
Shuttle
  • Page 1 1
  • Page 2 2
  • Page 3 3

Milwaukee 3651-20 User manual

Milwaukee
Brand
Milwaukee
Model
3651-20
Category
Car kits
Type
User manual

The Milwaukee 3651-20 M18™ Compact Brushless 1/4" Hex Impact Driver is a powerful tool designed for a wide range of driving applications. With its compact size and lightweight design, it offers excellent maneuverability and control, even in tight spaces. The brushless motor delivers up to 2,500 RPM and 3,000 IPM, making it ideal for driving screws, nuts, and bolts into various materials. The impact mechanism provides additional power for tackling tough jobs, while the three-speed selector allows you to adjust the speed and torque to match the task at hand.

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