TM-9-2815-220-24
AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TM-9-2815-220-24 - Page 189 of 1563
TM 9-2815-220-24
STANDARD MAINTENANCE INSTRUCTIONS
0028 00
INSPECTION (Continued)
Bearings
Check all bearings for conformance to the applicable Repair Standards.
To inspect bearings removed from hardware, refer to TM 9-214,
Inspection, Care, and
Maintenance of Antifriction Bearings.
To inspect bearings in-place, use the instructions that follow:
Ball and Roller Bearings (Non-Separable):
1.
Remove the shaft or gear on which the bearing is mounted.
WARNING
Cleaning Compound Solvent
2.
Clean the mounted bearing with cleaning solvent (item 8, WP 0173).
a. Flood the bearing with solvent (item 8, WP 0173).
b. Use a sash or paint brush to clean.
c. Do
not
use compressed air.
3.
Reject the bearing for the following defects:
•
•
•
•
•
Broken, cracked or split rings
Dented seals or shields
Cracked or broken separators
Loose separator pins
Heat discoloration (brown-blue or blue-black color)
4.
Rotate the free race slowly and feel for roughness.
a. If any defect is observed or felt, the bearing is to be removed with final inspection and
disposition per TM 9-214.
5.
If the bearing exhibits no defects, lubricate bearing with engine oil (item 21, WP 0173).
WP 0028 00-9
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