TM 10-4320-344-10
2.1.2.4 Air System and Priming Tube. Refer to Figure 2-6 and Table 2-6.
Figure 2-6.
Model 609-C Air System and Priming Tube Controls and Indicators.
Table 2-6.
Description of Model 609-C Air System and Priming Tube Controls and
Indicators.
Item
Number
1
2
3
4
5
Description
Air Exhaust Door
Handle
Engine Exhaust Door
Priming Tube
AIR FILTER
Cap
RESTRICTION GAUGE
Reset Button
Function
Used to open/close air exhaust door to vent engine
cooling air.
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
startup.
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.
2-10