TM 5-3895-359-14&P
FUEL INJECTOR CONTROL TUBE
The fuel injector control tube assembly (Fig. 1) is
1. Remove the bracket from the injector control tube.
mounted on the cylinder head and consists of a control
tube, injector rack control levers, a return spring and
2. Loosen the adjusting screws at each injector rack
injector control tube lever mounted in two bracket and
control lever.
bearing assemblies attached to the cylinder head.
3. Disconnect the return spring from the bracket and
The injector rack control levers connect with the fuel
front or rear rack lever.
injector control racks and are held in position on the
control tube with two adjusting screws. The return
4. Then remove the return spring and rack levers from
spring enables the rack levers to return to the no-fuel
the control tube.
position. The injector control tube lever is pinned to the
end of the control tube and connects with the fuel rod
Inspection
which connects with the engine governor. Refer to
Chapter 10 for positioning of the injector rack control
Wash all of the injector control tube parts in clean fuel
levers.
oil and dry them with compressed air.
Examine the control tube, control lever, control tube
Remove Injector Control Tube
rack control levers and brackets for excessive wear,
cracks or damage and replace them if necessary. The
1. Remove the cotter pin and clevis pin connecting the
fuel rod to the injector tube control lever.
bearing in the bracket is not serviced separately.
Examine the return spring and replace it if worn or
2. Remove the two attaching bolts and lock washers at
fractured.
each bracket. Disengage the rack levers from the
injector control racks and lift the control tube
Assemble Injector Control Tube
assembly from the cylinder head.
With all of the parts cleaned and inspected and the
necessary new parts on hand, refer to Fig. 1 and
Disassemble Injector Control Tube
assemble as follows:
The injector control tube, one mounting bracket, a
spacer and injector control tube lever are available as a
1. Install the rack control levers on the control tube, with
service assembly. When any part of this assembly
the levers facing the front bracket position. Turn the
needs replacing, it is recommended the complete
adjusting screws into the slots in the control tube far
service assembly be replaced.
Therefore, the
enough
to
position
the
levers.
disassembly and assembly procedure for these items is
not included in the following:
Fig. 1. Injector Control Tube Assembly (Non-Spring Loaded)
10-3-50
