To: All Authorized and Factory Service Centers,
Field Sales and Internal Support Personnel
Re: Chuck Assembly Instructions for Rotary Hammers 11222EVS (06 11222 739)
11222EVSG (06 11222 783)
Please insert this bulletin into the "Technical Bulletins" section of your Bosch Parts Manual,
only after making any additions or notes to your Illustrated Parts List(s).
Following these instructions will assist your repair of the Chuck Assembly.
All questions should be directed to your Authorized Service Manager.
Gail D. Fred
Product Service Department
Next assemble
the rest of
the pictured
parts.
Be sure to fit
the tab on
spring 50/5
into the slit in
the sleeve 50/4.
50/ 14
50/ 8
50/ 13
50/ 12
50/ 10
50/ 7
50/ 5
50/ 11
50/ 1
50/ 4
50/ 11
First assemble
parts 50/8 and
50/14 onto
part 50/4.
Mount the assembly onto a
SDS drill bit
shank.
90°
50/ 4
50/ 2
120°
50/ 4
50/ 2
To pre-load the assembly: Turn
sleeve 50/4 approx.120°. Next, per
the arrows, align and slide the lock
sleeve 50/2 into 50/4.
Install
bevel
downward
50/ 6
50/ 3
50/ 4
Install the remaining parts onto
the assembly, then install
chuck onto the tool.
50/ 9
Install
bevel
upward
S-B Power Tool Company Chicago IL 60646-5999
TECHNICAL
BULLETIN
January 1995 model(s) affected
Section 6 - Hammers
"chuck assembly instructions"
11222EVS
11222EVSG