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Appendix C - Engine Priming
Page C-2
CUMMINS ISM 450 (U320-GV320)
1. Change filters (It is not necessary to fill new filters with diesel).
2. Press air purge button on Racor control panel at rear of coach. The Schrader
valve at the top of the filter may be opened to speed the air purge operation.
(Release the valve at the first sign of fuel.)
3. Wait 80 seconds (until the unit shuts off).
4. The engine can be restarted.
Check H
O light after every 2-3 fill-ups (more often if fuel contamination is
2
suspected). If H
O light is on, press H
2
Rev. 06-02
O PURGE button.
2
Foretravel Owners Manual
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