Normal Shutdown

OPERATION

7.If the engine has started, slowly return the choke lever (Figure 15 ) to the “OPEN” position. If the engine has not started repeat steps 1 through 6.

Figure 15. Choke Lever (Open)

8.Before the pump is placed into operation, run the engine for severalminutes. Checkfor fuelleaks,andnoisesthatwould associate with a lose component.

9.To begin pumping, place the throttle lever (Figure 16) in the "RUN" position.

Figure 16. Throttle Lever (Run)

Pump speed can be regulated with

NOTE the engine throttle control from full volume, 65 strokes per pinute, to

about 40 strokes per minute for lesser volume seepage.Smoothest operation can be determined by trying to pump at several speeds.

Limit maximum speed to 65 strokes per minute of the diaphragm (2,800 RPM engine speed).

Stopping The Engine

1.Move the throttle lever to the IDLEposition (Figure 17) and run the engine for three minutes at low speed.

Figure 17.Throttle Lever (Idle)

2.Aftertheenginecools,turntheengineON/OFFswitchtothe “OFF” position (Figure 18).

Figure 18. Engine ON/OFF Switch (OFF)

3.Place the fuel shut-off lever (Figure 19) in the ”OFF” position.

Figure 19. Fuel Valve Lever (OFF)

Emergency Showdown

1.Move the throttle lever quickly to the “IDLE” position, and place the engine ON/OFF switch in the “OFF” position.

MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11) — PAGE 19

MQD2H specifications

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