11a-3
March 21, 2020
b.
Blow gently into tube to slightly pressurize the tank. If air can be blown into tank, vent line is
open.
c.
After tank is slightly pressurized, insert end of rubber tube into a container of water and
watch for a continuous stream of bubbles, which indicates the vent line is clear from
obstucles.
11.12 Fuel shut-off valve
There is a two-position ON-OFF fuel shut-off valve for each wing tank, located above the
pilots head on either side of the cockpit (N.9 Figure11-1) and a master on-off fuel valve is located
below the instrument panel on the left hand side of the cabin. It is recommended that the valve be
replaced and not repaired if damaged.
11.13 Removal and installation
11.13.1 Required Tools:
set of wrench, edge cutter, screwdriver
11.13.2 Parts required:
Fuel line fittings, cable ties
11.13.3 Level of Maintenance:
Heavy
11.13.4 Certification required:
A&P Mechanic or LSA Repairman Maintenance
a.
Completely drain all fuel from tank and fuel lines (Observe the precautions in paragraph
11.3).
b.
Remove instrument panel
c.
Disconnect fuel line at the firewall and at the rear end hose connection.
d.
Remove screws attaching shut-off valve.
e.
Withdraw shut-off valve assembly from the holder on the fuselage.
f.
Disconnect fuel lines from shut-off valve.
g.
Reverse the preceding steps for installation.
11.14 Fuel drain valve
A fuel drain valve is installed to the bottom of the header tank. Access is possible from
beneath the fuselage adjacent to the main gear. To drain fuel, push the white plastic tube upwards.
11.15 Removal and installation
11.14.1 Required Tools:
Set wrench, screwdriver.
11.14.2 Parts required:
Fuel resistant sealant fluid.
11.14.3 Level of Maintenance:
Heavy
11.14.4 Certification required:
A&P Mechanic or LSA Repairman Maintenance
a.
Push up sump drain valve , to drain fuel completely from the tank (Observe precautions
outlined in paragraph 11.3).
b.
Remove the seats as outlined in Section 3.
c.
Remove the plastic header tank acoording 11.7
d.
Reverse the preceding steps for installation. Be sure grounding is secure in accordance with
paragraph 11.3.
Caution
For reconnection of fuel line to firewall a new fuel line fitting has to be used, to
avoid leakage.
Note
Apply appropriate liquid sealant to the threads of the drain valve during reassembling.
Summary of Contents for CZ A220
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