milwaukee 2966-20 1 2 High Torque Impact Wrench Instruction Manual

June 17, 2024
Milwaukee

2966-20 1 2 High Torque Impact Wrench
Instruction Manual

2966-20 1 2 High Torque Impact Wrench

milwaukee 2966 20 1 2 High Torque Impact Wrench - fig BULLETIN NO.
SERVICE PARTS LIST
54-26-2905milwaukee 2966 20 1 2 High Torque Impact
Wrench

FIG. PART NO. DESCRIPTION OF PART NO. REQ.
1 ————— Lens Assembly -1
2 44-86-0032 Inverted Retaining Ring -1
3 45-06-7070 Anvil Seal -1
4 ————— Shadow less Retaining Clip -1
6 45-88-9125 Anvil Washer -1
8 ————— Rubber Plug -1
12 2/2/2070 Steel Ball 10.0mm -1
19 32-62-0705 Planet Gear -3
20 44-60-5430 Planet Gear Pin 6.0mm -3
21 46-06-7060 Rubber Seal -1
22 45-88-9135 Thrust Washer -2
23 02-50-7035 Thrust Needle Bearing -1
24 32-65-2875 Ring Gear -1
28 2/4/7165 Bearing -1
29 42-40-7155 Rotor Shaft Bushing -1
30 ————— Rotor -1
34 ————— Gear Case -1
35 44-86-2785 Shadow less Wire Boat -1
36 44-60-7110 Pig Pin -1
37 40-50-9310 Pig Pin Spring -1
38 ————— Anvil -1
39 44-60-0022 Solid Pin -1
45 45-24-9040 Forward/Reverse Shuttle -1
46 ————— Speed Select Board, Rubber -1
47 ————— Mode Selector -1
48 ————— Mode Select Button -1
49 ————— Light Pipe, Mode Select -1
50 ————— Bracket -1
51 ————— Isolator -1
52 05-78-0088 M3 x 8mm Flat Hd. ST Screw -4
53 45-30-1060 Rubber Slug -2
54 45-30-1070 Rubber Bumper -4
55 06-81-9555 M5 x 23mm PH Torx T-25 Screw -4
56 ————— Handle Support -1
57 ————— Handle Cover -1
58 06-82-0995 M4 x 16mm Pan Hd. Torx T-20 ST Screw -6
59 06-82-4002 M4 x 35mm Pan Hd. Torx T-20 ST Screw -2
60 06-82-4001 M4 x 22mm Pan Hd. Torx T-20 ST Screw -5
61 ————— #6-32 Pan Hd. Torx T-15 Slot B M Screw -1
62 ————— Belt Hook -1
63 12/20/9945 Service Nameplate -1
64 ————— M4 x 8mm Torx T-20 B Screw -2
65 ————— Tether Cap -1
66 ————— Tether Ring -1
67 42-55-9530 Blow Molded Case (BMC) -1
69 49-16-2966 Rubber Boot -1
70 ————— Rubber Plug -1
101 14-29-9055 Front Gearcase Assembly -1
103 42-06-5325 Anvil Assembly -1
105 14-30-6315 Impact System Assembly -1
106 14-34-7130 Handle Kit -1
107 42-70-0950 Belt Kit -1
108 16-01-6035 Rotor Assembly -1
109 14-50-7015 Isolator Kit -1
111 14-20-9350 Electronics Assembly -1
112 45-24-9050 Mode Selector Kit -1
113 14-46-9985 Tether Ring Kit -1

MILWAUKEE TOOL  www.milwaukeetool.com
13135 W. LISBON RD., BROOKFIELD, WI 53005

Lubrication Notes

NOTE
Regarding parts to be lubricated:
Apply a light coating of grease to all highlighted parts shown prior to installation. Reference the key below for grease types.

milwaukee 2966 20 1 2 High Torque Impact Wrench -
Lubrication

NOTE
When servicing, remove 90-95% of the existing grease prior to installing Type ‘J’. Original grease may be similar in color but not compatible with the ‘J’. Clean gear assemblies with a clean, dry cloth.

Torque Specifications

NOTE
Follow the fastening tightening procedure for screw tightening and loosening.milwaukee 2966 20 1 2 High Torque Impact Wrench -
Torque

NOTE: The pictures to the right may not represent the 2966-20 tool exactly, but the torque instructions are still valid.

SCREW TORQUE SPECIFICATIONS


FIG.| PART NO.| DESCRIPTION OF FASTENER| WHERE USED| SEAT TORQUE
(kgf-cm)| (lb-in)
52
55
58
59
60
64| 05-78-0088
06-81-9555
06-82-0995
06-82-4002
06-82-4001
—————| M3 x 8mm Flat Head ST Screw
M5 x 23mm Pan Head Torx T-25 M Screw
M4 x 16mm Pan Head Torx T-20 ST Screw
M4 x 35mm Pan Head Torx T-20 ST Screw
M4 x 22mm Pan Head Torx T-20 ST Screw
M4 x 8mm Torx T-20 B Screw| Isolator
Gear Case
Handles and Top Housing
Top Housing
Rotor Assembly
Tether Ring| 4.2 ± 0.5
75 ± 8
16 ± 2
18 ± 2
16 ± 2
47 ± 4| 3.6 ± 0.4
65 ± 7
14 ± 1.7
16 ± 1.7
14 ± 1.7
41 ± 3.5

Wiring

milwaukee 2966 20 1 2 High Torque Impact Wrench -
Wiring Be sure that all wires of the electronics assembly are routed as shown, being careful to push down completely into wire traps. Be sure that the trigger switch, PCBA, battery connector block, stator and shuttle switch are fully seated prior to installing the handle cover.

References

Read User Manual Online (PDF format)

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