 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
 NAVAIR 17-15-50.3
TM 38-301-3
T.O. 33-1-37-3
CGTO 33-1-37-3
ENGINE:
F404-GE-F1D2 (AIR FORCE ONLY)
AIRCRAFT:
(F-117A)
JOAP ATOMIC EMISSION ROTRODE
Fe
Ag
Al
Cr
Cu
Mg
Ni
Ti
Abnormal Trend
(PPM Increase
3
3
2
2
2
3
3
in 10 hrs)
Normal Range
0-8
0-6
0-3
0-3
0-5
0-6
0-6
Marginal Range
9
7
4
4
6
7
7
High Range
10-11
8-9
5
5
7
8-9
8-9
Abnormal
12+
10+
6+
6+
8+
10+
10+
Average Concentration Other Elements:
NOTE
The requirement for the routine oil analysis on the F404-GE-F1D2 engine installed in
the F-117A aircraft has been deleted in accordance with Air Force Message 031600Z
Oct 90. Evaluation criteria is being retained for reference and for use as required during
special sampling.
The F404-GE-F1D2 engine is not on routine oil analysis. Therefore evaluation of
special sampling results may be difficult. If necessary contact cognizant engineering
authority for assistance.
Fe
&
Cr
Mo V
Main Shaft Bearings
Fe
&
Ag
Main Shaft Cages
Fe
&
Cr
AGB and PTO Bearings
Fe
&
Ag
AGB and PTO Cages
Al
Lube and Scavenge Oil Pump
Fe
&
Ni
AGB and PTO, gears, shafts, splines
1. High Al (more than 10 PPM) on a newly installed engine generally indicates contamination from the oil
tank, oil cooler or lube and scavenge pump.
2. Engine should not be operated if Fe content is 12 PPM or higher.
3. Analysis laboratory will report results of analysis performed to the owning laboratory.
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals