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(b) 6B6, R GEN DRIVE DISC
S 016-080
(2) Open the fan cowl panels (AMM 71-11-04/201).
F. Procedure
S 286-073
(1) Do these steps to examine the Pressure Differential Indicator (DPI).
NOTE: The DPI is the red button adjacent to the scavenge filter on
____
the IDG.
(a) If the DPI is in the up position, examine the scavenge filter condition, the IDG oil condition and do actions in the DPI Extension table:
NOTE: When the DPI is in the up position and if the
____ DPI Resets decal shows it is the 4th DPI extension, the IDG must be replaced.
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~.............................................................................. | DPI EXTENSION | ................................................................................ | SCAVENGE FILTER | | | | CONDITION | IDG OIL CONDITION | ACTION | ................................................................................ |No visible magnetic or |No oil discoloration, |1. Drain the oil. | |non-metallic particles |no signs of over-| | |(See NOTE for more |heating or chemical |2. Replace the scavenge | |scavenge filter data) |contamination of the | filter (AMM 24-11-02/201).| |*[1] |oil is not suspected | | | | |3. Service with oil | | | | (AMM 12-13-03/301). | ................................................................................
|No visible magnetic or |Oil discoloration, |1. Drain the oil. |
|non-metallic particles |signs of overheating | |
|(See NOTE for more |or chemical |2. Replace the scavenge |
|scavenge filter data) |contamination of the | filter (AMM 24-11-02/201).|
|*[1] |oil is suspected | |
| |(Hydraulic fluid |3. Service with oil |
| |and water) | (AMM 12-13-03/301). |
| | | |
| | |4. Run the engine until the |
| | | IDG oil temperature is |
| | | 175 degrees F. |
| | | |
| | |5. Drain the oil. |
| | | |
| | |6. Replace the scavenge |
| | | filter (AMM 24-11-02/201).|
| | | |
| | |7. Service with oil |
| | | (AMM 12-13-03/301). |
| | | |
................................................................................ |Visible magnetic or |No oil discoloration, |1. Replace the IDG | |non-metallic particles |no signs of over-| (AMM 24-11-01/401). | |in the scavenge filter |heating or chemical | | |and the scavenge filter |contamination of the | | |is not breached. |oil is not suspected | | |(See NOTE for more | | | |scavenge filter data) | | | |*[1] | | |
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~.............................................................................. | DPI EXTENSION | ................................................................................ | SCAVENGE FILTER | | | | CONDITION | IDG OIL CONDITION | ACTION | ................................................................................
|Visible magnetic or |Oil discoloration, |1. Remove the IDG |
|non-metallic particles |Signs of overheating | (AMM 24-11-01/401). |
|in the scavenge filter |or chemical | |
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