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maintenance
A533-23-880 Issue C
Figure 49 - Clean the exhaust check-valve
1. Shut down the iF system (refer to Section 5.9) and allow it to cool.
2. Remove the right-hand side enclosure panel from the iF system, refer to Section 3.4.
3. Refer to Figure 1. Check that the oil-level is between the MAX and MIN marks on the bezel of the FDP oil-level
sight-glass (11):
If the oil-level is above the MAX mark, drain excess oil from the pump as described in Section 6.9 until the
oil-level is correct.
If the oil-level is below the MIN mark, fill the pump with oil until the oil-level is correct, as described in
Section 6.9.
4. Refit the right-hand side enclosure panel.
1. Spider leg
2. Valve body (female)
3. Fluoroelastomer ball
4. Valve body (male)
5. Inlet-flange
6. O-ring
7. Flow direction arrow
8. Outlet-flange
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