ATTN: AMSTA-MB, Warren, MI 48397-5000. A reply will
be furnished to you.
Page 1-4. Add the following data to the paragraph
indicated:
Paragraph 1-9b(2).
Manufacturer .................Cannon Industries. Inc.
Model.............................CVR-250
Type...............................Dual rotation, percussion type
Bore ...............................4 1/2 in.
Stroke ............................3 1/4 in.
Drill Steel Size ...............1 1/4 In.
Hole Size Range .......... 1 1/2 to 3 1/2 in.
Air Pressure Used ........ 90 psi
Air Drill Capacity ........... 330 cfm
Hose Sizes:
Drill ................................ 11/2 in.
Blow ............................. 3/4 in.
Rotation ........................ 3/4 in.
Paragraph 1-9b(10).
Manufacturer ................ Gast Manufacturing Corporation
Model ........................... 16AM-FRV-13
Page 1-6. Figure 1-3.1 Is added as follows:
Figure 1-3.1. Drill control air piping diagram (for units equipped with retrofit kit).
2
