(j)
On the panel 800VU:
-put the applicable wing tank REFUEL VALVES switch to the SHUT position.
(k)
Stop the operation of the fuel tanker.
(l)
On the panel 800VU:
-release the TEST switch from the HI LVL position
-make sure that the applicable HI LVL light comes on
-
put all of the REFUEL VALVES switches to the NORM and guarded position
-
put the MODE SELECTOR switch to the OFF and guarded position.
(5) If the access panel 550BB(650BB) has been removed, do the steps that follow:
(a)
Refuel the applicable wing tank fully and keep the fuel tanker connected to the aircraft (Ref. TASK 12-11-28-650-003).
(b)
Put a container on the access platform below the applicable water drain valve 21QM (22QM). Use the PURGING TOOL (97A28002117002) to open the water drain valve (Ref. TASK 28-25-00-650-003).
(c)
On panel 800VU:
-
put the MODE SELECT switch to REFUEL
-
put the applicable wing tank REFUEL VALVES switch to the OPEN position
-
put the opposite wing tank REFUEL VALVES switch to the SHUT position
-
put the TEST switch to the HI LVL position and hold it there
-make sure that the applicable HI LVL light goes out.
(d)
Set the fuel tanker to its lowest flow-rate and pressure. Make sure that the fuel flows into the vent surge tank and out of the water drain valve 21QM (22QM) (Ref. TASK 28-25-00-650-003).
(e)
On panel 800VU:
-put the applicable wing tank REFUEL VALVES switch to the SHUT position
-make sure that the fuel-flow from the water drain valve decreases and stops.
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(f)
Close the water drain valve (Ref. TASK 28-25-00-650-003) and remove the PURGING TOOL.
(g)
Put a container on the access platform below the applicable NACA vent in the surge tank.
(h)
On the panel 800VU:
-put the applicable wing tank REFUEL VALVES switch to the OPEN position
-make sure that the opposite wing tank REFUEL VALVES switch is in the SHUT position
-hold the TEST switch in the HI LVL position.
(i)
Set the fuel tanker to its lowest flow rate and pressure. Let 100 l (26.4169 USgal) of fuel flow into the vent surge tank. Make sure that fuel flows out of the NACA vent.
(j)
On the panel 800VU:
-put the applicable wing tank REFUEL VALVES switch to the SHUT position.
(k)
Stop the operation of the fuel tanker.
(l)
On the panel 800VU:
-release the TEST switch from the HI LVL position
-make sure that the applicable HI LVL light comes on
-
put all of the REFUEL VALVES switches to the NORM and guarded position
-
put the MODE SELECT switch to the OFF and guarded position.
(6)
For the access panel 550CB(650CB), refer to (Ref. TASK 28-12-45-400-002).
(7)
If the access panels 550CB(650CB) thru to 550DB(650DB) have been removed, do the steps that follow:
(a)
Refuel the applicable wing tank fully and keep the fuel tanker connected to the aircraft (Ref. TASK 12-11-28-650-003).
(b)
Put a container on the access platform below the applicable water drain valve 21QM (22QM). Use the PURGING TOOL (97A28002117002) to open the water drain valve (Ref. TASK 28-25-00-650-003).
(c)
On panel 800VU:
-
put the MODE SELECT switch to REFUEL
-
put the applicable wing tank REFUEL VALVES switch to the OPEN position
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-
put the opposite wing tank REFUEL VALVES switch to the SHUT position
-
put the TEST switch to the HI LVL position and hold it there
-make sure that the applicable HI LVL light goes out.
(d)
Set the fuel tanker to its lowest flow-rate and pressure. Make sure that the fuel flows into the vent surge tank and out of the water drain valve 21QM (22QM) (Ref. TASK 28-25-00-650-003).
(e)
On panel 800VU:
-put the applicable wing tank REFUEL VALVES switch to the SHUT position
-make sure that the fuel-flow from the water drain valve
decreases and stops.
(f)
Close the water drain valve (Ref. TASK 28-25-00-650-003) and remove the PURGING TOOL.
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