Engine Oil System Drained (Task 1-69)
Second Turbine Disc Assembly Removed (Task
General Safety Instructions:
Dry, Compressed Air Source
When using compressed air for clean-
ing, use approved protective equipment
for eyes and face Do not use more than
Denatured Alcohol (E17)
30 psig air pressure. Do not direct air
toward yourself or another person Fail-
ure to comply could result in injury to
eyes or skin. In case of injury, get medi-
Off Engine Task
1. Clean second turbine disc assembly (1as follows:
a. Wear gloves (E24) and goggles. Clean second
turbine disc (1) using denatured alcohol (E17) and
In following step, avoid directing air at
blade air cooling passages. Failure to
comply may cause blockage of blade air
b Blow dry second turbine disc assembly (1),
using clean, dry, compressed air.
2. Clean seal (2)as follows.
a. Wear gloves (E24) and goggles Clean seal (2),
using denatured alcohol (E17) and brush.
b. Blow dry seal (2)using clean, dry, compressed air.
Inspect Second Turbine Disc Assembly (Task
END OF TASK