Figure 4-35. Fuel Float Tank Assembly and Fluid Control Limit Switch (TS 6115-590-12/4-35).
Disassembly. Disassemble fuel float tank and
fluid limit switch in accordance with the instructions
contained in figure 4-35.
Cleaning, Inspection and Repair.
Clean all non-electrical parts with an
approved cleaning solvent and dry thoroughly with
filtered compressed air.
Inspect hardware for stripping, cross-
threading, or other damage.
Inspect tank for cracks, dents or other
Inspect switch for external damage.
Replace packing each time tank assembly
Replace damaged or inoperative switch.
If tank is damaged beyond-repair, replace
Use new hardware as required.
Fluid Control Limit Switch Test. Test the fluid
control limit switch in accordance with the procedures
given on figure 4-36.
Reassembly. Reassemble switch and tank in
reverse order of disassembly as shown on figure 4-35.
Install replacement fuel float tank in
reverse order of removal.
Install plug in bottom of fuel tank.
4-54. Fuel Float Tank Vent Valve
Remove the two tube assemblies (fig.
4-34) and elbows from vent valve.
Remove two screws and washers and
remove valve from mounting bracket.
Install replacement valve in reverse order
4-55. Oil Tank Assembly
Removal. Drain all oil from tank assembly (fig.
4-33). Remove tube assemblies from oil tank, loosen
clamp strap on tank cradle, and remove oil tank
assembly from cradle.
assembly in place of cradle and secure with a clamp
strap. Reconnect tube assemblies to tank using new
gaskets. Insure that drain plug is securely tightened.
Refill oil tank.
4-56. Fuel Tank Assembly
Remove drain plug from fuel tank (fig.
4-33) and allow all fuel to drain from tank.