Sb-19-085-P PAGE 7
CONDITION
CAUSE
CORRECTION
AIR MOTOR DRIVE SERVICE CHECKS
A. Air motor sluggish or inefficient.
1. Air motor needs cleaning.
2. Motor vanes need replacing or
contaminants present in motor
chamber, Figure 2.
3. Low oil level in gear box, Figure 3.
4. Gear and shaft assembly (36) and/or
worm gear (43) worn, Figure 3.
5. Air motor bearing (19 or 29) worn,
Figure 2.
1. Disassemble and clean per parts
replacement instruc-tions.
2. Disassemble, clean motor per parts
replacement instructions. Replace
worn vanes.
3. Add oil per lubrication instructions.
4. Replace worn parts per parts
replacement instructions.
5. Replace bearings per parts
replacement instructions.
b. Oil leakage from gear box.
1. Seal (40, Figure 3) worn.
1. Replace seal per parts replacement
instructions.
