Changes in force: C 1 and C
2
TM 5-3820-239-15
C2
CHANGE
HEADQUARTERS
DEPARTMENT OF THE ARMY
WASHINGTON, D.C., 1 December 1971
No. 2
Operator, Organizational, Direct and General Support,
and Depot Maintenance Manual
DRILL, PNEUMATIC, DRIFTER: BOOM-TYPE;
CRAWLER-MOUNTED; SELF-PROPELLED (INGERSOLL-RAND
MODELS
CM150A/D475A
AND
CM225/D475A)
FSN 3820-854-4149 AND FSN 3820-410-5549
TM 5-3820-239-15, 25 January 1968, is
Paragraph 1-4b(15):
Model.............1CYL640AA (CM225/D475A)
changed as follows:
The title is changed as shown above.
Paragraph 1-4b(16):
Model.............1CY640AE (CM225/D475A)
Page 1-1. Paragraph 1-1, CM225/D475A is
Paragraph 1-4b(17):
added after CM150A/D475A.
Model.............1CYL640AR (CM255/D475A)
Paragraph 1-3a. Delete Ingersoll-Rand Model
Paragraph 1-4b(1B):
CM150A/D475A.
Model.............1CYL640AF (CM225/D475A)
Page 1-2. Paragraph 1-4a, the following is
Paragraph 1-4b(19):
added: MODEL CM225/D475A, CONTRACT
Model.............1CYL640AC (CM225/D475A)
NO.-DSA700-69-C-H056, FSN 3820-410-5549,
Page 1-6. Paragraph 1-5 is superseded as fol-
DATE MFD1969.
lows:
Paragraph 1-4b(l), the following is added:
Model...................CM225/D475A
1-5. Difference in Models.
Serial No................CL23190 and CL23301 through 23349
This manual covers the Ingersoll-Rand Models
Page 1-5. The following data is added to para-
CM150A/D475A and CM225/D475A pneumatic
graphs indicated:
drills. There are differences between the two
models in the hydraulic pump coupling, extension
Paragraph 1-4b(5):
Manufacturer...........Ingersoll Rand
cylinder, dump cylinder, swing cylinder, boom
Mode.......................1040CMP (CM225/0475A)
lift cylinder and boom swing cylinder. These dif-
ferences are noted, where applicable, throughout
Paragraph...........1-4b(14):
Model......................C-2763-SK-2 (CM225/D475A)
manual.