Teledyne TSIO-360-RB, Maintenance Manual

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13-9
TROUBLE PROBABLE CAUSE CORRECTION
Fluctuating or Erroneous Fuel
Flow Indications Fuel vapor as a result of high ambient
temperatures If not cleared with auxiliary pump, check for clogged
vapor vent in fuel pump vapor separator cover. Clean
only with solvent, no wires. See Section 13-5, "Fuel
Pump."
Air in fuel flow gauge line. Leak at
gage connection. Repair leak and purge line. Refer to airframe
manufacturer’s instruction.
Poor Idle Cut-Off Engine getting fuel Check mixture controls in full idle cut-off. Check
auxiliary pump is OFF. If neither, replace manifold
valve. See Section 13-5, "Manifold Valve."
13-5.
FUEL SYSTEM MAINTENCE
WARNING
Anytime the fuel pump, fuel servo unit, fuel manifold valve or fuel injection nozzles are
removed and replaced, the fuel system must be checked, adjusted and tested in
accordance with Precision Airmotive Corporation RSA-5 Operation and Service Manual.
See Related Publications Section 1-4 for ordering information.
Fuel Manifold Valve - For replacement of fuel manifold valve, see the applicable portion of
disassembly and reassembly procedure in the L/TSIO-360-RB Overhaul Manual, Form X30596A.
The manifold valve may be replaced with new or it must be repaired and calibrated in accordance
with the applicable instructions in the Fuel Injection Systems Parts and Overhaul Manual, Form
X30593A.
NOTE… The appropriate test calibration equipment must be available for the overhaul of any
TCM fuel injection system component.
Fuel Nozzles- For replacement of fuel nozzles, see the applicable portion of disassembly and
reassembly procedure in the L/TSIO-360-RB Overhaul Manual, Form X30596A. If nozzles are
obstructed and ccanot be cleaned by soaking in lacquer thinner, methyl ethyl keytone or acetone
for several hours and blown dry with compressed air, they must be replaced with new.
FUEL Pump- For replacement of fuel pump see the applicable portion of disassembly and
reassembly procedure in the L/TSIO-360 RB Overhaul Manual, Form X30596A. The fuel pump
may be replaced with new or it must be repaired and calibrated in accordance with the applicable
instructions in the Fuel Injection System Parts And Overhaul Manual, Form X30593A.
NOTE… The appropriate test calibration equipment must be available for overhaul of any TCM
fuel injection component.
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