Lesson 4/Learning Event 3
Control Panel. Tighten any loose hardware on the electrical terminals and
any loose fittings on the fuel-pressure lines. Replace defective time delay
relays (figure 16 on page 67) TD-1 and TD-2.
Loosen the tube clamp that
fastens the relay in the tube socket. Remove the defective relay. Replace
with the proper time delay relay. Plug the relay into the tube socket and
tighten the tube clamp. Then install the control box cover plate.
Cover Panels. Repairs of the cover panels consist of painting (TM 9-213),
restoring markings, replacing the heat-reflective tape, straightening bent
or deformed panels, or replacing individual cover panels as units. If the
turnlock-fastener assemblies are broken or damaged; notify direct support
Main Electrical Power Cable (Figure 17 on Page 68). If inspection reveals
that the electrical power cable is defective, remove and replace as a unit
as described below.
Disconnect the ground wire terminal lug from the ground lug.
Disconnect the black (or hot) power wire terminal lug from terminal
A2 of ignition relay K1.
Unscrew the stuffing tube from the pipe
Slide the washer up the cable and work the rubber gasket
out of the pipe nipple with your fingers. Carefully pull the main
electrical power cable terminal lug end through the adapter in the
top front plate.
Separate the washer, rubber gasket and stuffing
Notify direct support maintenance personnel to repair the
defective cable. Installation of the power cable is the reverse of
Fuel Hose (Figure 18 on page 69).
electrical insulation tape, or the plug gaskets if required.
If the ground wire's soldered ends are broken, notify direct
support maintenance personnel.
Fuel and Water Lines. Remove a damaged fuel or water line by disconnecting
the flare nuts from both ends of the line.
Clean the line of the
obstruction or replace the damaged line with a new one.
maintenance personnel are authorized to repair dented lines or fabricate new
lines. Install a fuel or water line by connecting the flare nut on each end
of the line and drawing the flared nuts tight.
Clean the fuel filter shell and head with solvent and dry