North&Wing&S,LSA&Maintenance&Manual&
Model:&Sport&X2&582&
Issue 3.2
Printed: July 16 2017
Page 84
4.4.5
&
Replace Fuel Tank Drain Valve
Skill Level:
Owner, LSR-M, A&P
Tools:
5/8” wrench
Material:
Replacement drain valve, Seal All (gas/oil sealant)
Task Description:
If the drain valve shows any sign of leaking, check to determine if it is the valve or the tank
that is leaking. If it is the valve, it should be replaced by a North Wing supplied drain valve.
1.
!
Drain all fuel from the tank and put in clean container if intended to be put back in fuel
tank after repair.
2.
!
Unscrew the drain valve (normal right hand thread) from the bottom of the tank.
3.
!
Coat the valve threads with a high quality plumbers sealant certified for use with
gasoline and oil
4.
!
Start screwing the new valve into the bottom of the tank by hand first to assure the
threads are aligned.
5.
!
Tighten the drain valve with the 5/8” wrench, but with very light torque. BE
CAREFUL to void stripping the threads out of the valve opening.
4.4.6
&
Calibrate Fuel Gage
Skill Level:
Owner, LSR-M, A&P
Tools:
Small flat blade screw driver
Material:
None
Task Description:
The fuel sending unit must be calibrated using the procedure below to properly indicate the
range of operation. The gage is located under the rear seat on top of the fuel tank and just
below the electrical hot box. To access the adjustment screws, remove the rear seat by
releasing the velcro straps and slide the seat cushion forward on the seat belts sufficiently to
have clear access to the gage.