nipple on the end of the bleed valve stem (37, fig.
3-10.4) on the fuel control valve. Open the bleed
valve with a 1/4-inch wrench and turn the control
switch to START.
3 Let the system bleed until the fuel is free
of air bubbles. Tighten the bleed valve and shut off
The fuel must flow past the shut-off
solenoid before it reaches the bleed valve.
Therefore, the shut-off solenoid must be
energized to bleed the valve body.
(b) Removal (fig. 3-10.2).
1 Loosen the two Dzus fasteners which
secure the guard assembly (16) to the top of the
heater, and remove the guard.
2 Disconnect the fuel supply line from the
IN port on the fuel control valve (26), and plug the
line to prevent excessive siphoning of fuel. Unscrew
the compression nut (6) and disconnect the fuel tube
(5) from the control valve outlet elbow.
3 Cut the two cable assembly straps (37)
which bundle the wires together. Remove the con-
trol valve leads 3 and 5 from the terminal strip on
the electrical inlet assembly (36); disconnect lead 30
from the overheat switch (24).
4 Remove the two screws (27) on one side of
the control valve mounting bracket, and loosen the
third screw. Disengage the fuel tube from the elbow
and pull off the fuel control valve.
5 Refer to figure 3-10.4 and disassemble
the fuel control valve as follows: