NPR 43L Diesel Turbo (1998) Engine Performance: Air Filter Element Maintenance
Clean (Figure 3)
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Wipe out the inside of the air cleaner assembly.
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Wipe off the cover.
Inspect
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The air filter with a light for tears or holes (figure 4).
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Ejector valve.
Install or Connect (Figures 1 and 2)
1. Air filter (4).
2. Filter wing nut (3).
3. End cover (2).
4. Cover wing nut (1).