188.8.131.52 Air System and Priming Tube. Refer to Figure 2-6 and Table 2-6.
Model 609-C Air System and Priming Tube Controls and Indicators.
Description of Model 609-C Air System and Priming Tube Controls and
Air Exhaust Door
Engine Exhaust Door
Used to open/close air exhaust door to vent engine
Air exhaust door is connected to engine
exhaust door (2) .
Covers engine exhaust outlet when closed.
Opens/closes when air exhaust door is opened/closed.
Used to prime pump as required on initial system
To use, remove cap, fill with clean water,
and install cap.
Indicates air f i l t er restriction in centimeters (cm) .
Used to reset AIR FILTER RESTRICTION GAUGE (4) when
indicated reading is questionable and after air
cleaner has been serviced.