MAN - RTFO - REV: Org | H. Maintenance
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H.4 Chain Maintenance
1. Place Main Power Switch in “OFF” position and disconnect power.
WARNING: Finger crush hazard. Ensure machine operation has been disabled before removing
rear cover.
2. Remove the rear cover (Fig. H.6).
3. Proper chain tension is required for reliable operation of the RTFO and ensures long life of the bearings. The chain
should not be tightened to the point where it is in tension and should not be loosened to the point where it visibly sags
(Fig. H.9).
4. Adjust the chain tension by loosening both nuts on the threaded adjustment rod. Adjust the tensioner up or
down as needed to apply proper tension on the chain. Optimum chain tension is achieved when the chain has
approximately 3/4” of free movement when compressed between your fingers (Fig. H.10).
H.5 Tray Cleaning
1. Place Main Power Switch in “OFF” position and disconnect power.
WARNING: Electrical shock hazard. The heating elements remain electrically live when the Main
Power Switch is in the “ON” position. Always remember to place the Main Power Switch in the
“OFF” position and disconnect power before performing any maintenance.
Figure H.9: Chain is too loose
Figure H.10: Chain is properly
tensioned