
SERVICE PARTS LIST
BULLETIN NO.
54-00-2857
SPECIFY CATALOG NO. AND SERIAL NO. WHEN ORDERING PARTS
M18™ FUEL™ ONE KEY 1/4" Hex Impact Driver
CATALOG NO.
2857-20
STARTING
SERIAL NO.
J64A
REVISED BULLETIN
WIRING INSTRUCTION
DATE
May 2019
Service for Milwaukee Electric Tool ONE KEY Products
can only be performed at this
Milwaukee factory Central Repair Center:
MILWAUKEE ELECTRIC TOOL Central Repair
1401 Sycamore Avenue l Greenwood, MS 38930-7277
Please send your tool directly to this location for service.
Or
Via e-Service at: www.milwaukeetool.com/e-service
questions, please call 1.800.SAWDUST (1.800.729.3878)
Or
Return it to a MILWAUKEE factory Service Center location, freight prepaid and insured.
A copy of the proof of purchase should be included with the return product.
If you have questions please contact Milwaukee Product Service at:
Product Technical Support via phone at: 262.783.8642
Or
Via email at: METProductSupport@milwaukeetool.com
Disassembly is not recommended and could void the warranty.
Drwg. 2

60
72
61
58
39
39
68
69
70
71
(2x)
77
70
71
39
57
39
NOTE:
Coin Cell #69 is an
individual service
part and can be also
be purchased at a
local hardware store
(CR 2032H).
FIG. PART NO. DESCRIPTION OF PART NO. REQ.
39 06-82-2500 6-32 Pan Hd. Slotted T-15 Mach. Scr. (2)
57 42-70-0950 Belt Clip Kit (1)
58 43-72-0950 Bit Holder Kit (1)
60 42-55-0036 Blow Molded Carrying Case (1)
61 49-16-2853 Rubber Boot, Accessory (1)
68 14-20-0068 Coin Cell PCBA (1)
69 --------------- 3V Coin Cell Battery (CR2032H) (1)
70 --------------- Coin Cell Cover (1)
71 05-81-1100 M2.6 x 6mm ST Phillips Screw (2)
72 12-20-1217 Service Nameplate (1)
77 31-44-0111 Coin Cell Cover Kit (1)
71
70
77
68
69
70
71