Date: 11-15-19
Revision: 2
5.7.12-6
VASHON AIRCRAFT RANGER R7 MAINTENANCE MANUAL
REPLACING WING TANK FUEL SUMPS
(a)
Drain all fuel out of the wing tank.
(b)
Unfasten screws on both sides of the sump.
(c)
Remove fuel sump by lowering it from the tank.
(d)
To install, clean sealing edges of the tank and sump, and install in the reverse order
of its removal.
REPLACING FUEL TANKS
Required Tools:
No special tools are required for this operation.
Parts Required:
No parts are required at this time.
Level of Maintenance:
Heavy Maintenance.
Certification Required:
Please see Table 5.4.3 in Section 5.4.
(1)
REPLACING WING TANKS
(a)
Drain all fuel out of the wing tank and fuel lines into the header tank. Please see part
3 of this section for more information.
(b)
Disconnect all fuel lines from inside the cockpit, as shown below.