Teledyne TSIO-360-RB, Maintenance Manual

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13-8
13-4 FUEL INJECTION SYSTEM TROUBLESHOOTING
This troubleshooting chart is provided as a guide. Review all probable causes given,
check other listings of troubles with similar symptoms. Items are presented in sequence of
the approximate ease of checking, not necessarily in order of probability.
TROUBLE PROBABLE CAUSE CORRECTION
Engine Will Not Start And No
Fuel Flow Gage Indication No fuel to engine Check tank fuel level. See the airframe manufacturer's
instructions.
Mixture control improperly rigged Check mixture control for proper rigging. See the
airframe manufacturer's instructions.
Engine not primed Prime in accordance with the airframe manufacturer's
instructions.
Selector valve in wrong position Position selector valve to MAIN TANK position.
Engine Will Not Start With Fuel
Flow Gauge Indication Engine flooded Allow all fuel to drain from intake system.
WARNING...Starting an engine with a flooded
intake system will result in hydrostatic lock and
subsequent engine malfunction or failure.
No fuel to engine Loosen one line at nozzle. If no fuel shows, with fuel
flow on gage, replace fuel manifold valve. See Section
13-5, "Manifold Valve."
Rough Idle Nozzle jet restricted Remove nozzles and clean. See Section 13-5 Fuel
Nozzles."
Improper idle mixture Adjust fuel mixture in accordance with Precision
Airmotive Corporation RSA-5 Operation and Service
Manual. See Related Publications Section 1-4 for
ordering information.
Poor Acceleration Idle mixture incorrect Adjust fuel mixture in accordance with Precision
Airmotive Corporation RSA-5 Operation and Service
Manual. See Related Publications Section 1-4 for
ordering information.
Poor Acceleration (cont’d) Unmetered fuel pressure too high Lower unmetered fuel pressure. Adjust in accordance
with Section 23-2, "Fuel System Adjustment."
Worn linkage Replace worn elements of linkage in accordance with
airframe manufacturer's instructions.
Engine Runs Rough Restricted nozzle jet Remove and clean all nozzles. See Section 13-5, "Fuel
Nozzles."
Improper mixture Adjust engine-driven fuel pump in accordance with
Section 23-2, "Fuel System Adjustments"
Low Fuel Flow Gauge
Indication Restricted flow to metering unit Check for restriction between fuel pump and metering
unit.
Inadequate flow from fuel pump Adjust engine-driven fuel pump in accordance with
section 23-2, "Fuel System Adjustments."
High Fuel Flow Gauge
Indication Restricted flow beyond metering
valve Check for restricted nozzles or fuel manifold valve.
Clean or replace as required. See Section 13-5, "Fuel
Nozzles & Fuel Manifold Valve."
Restricted recirculation passage in
fuel pump Replace engine-driven fuel pump. See Section 13-5,
"Fuel Pump."