Lycoming TEO-540-C1A Maintenance Manual page 117

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
Problem
Low fuel flow (Cont.)
Engine will not turn
static rpm or will not
develop rated rpm
© 2018 Avco Corporation. All Rights Reserved
November 2018
Table 1 (Cont.)
Fault Isolation Guide
Cause
Faulty fuel flow gage
Low fuel pressure
Decreased air flow in the
air reduction system
Propeller is out of
adjustment (not reaching
low pitch)
Muffler's internal baffles
are broken and blocking
the exhaust outlet
NOTICE: Broken
baffles can move around
freely in the muffler. The
engine could turn static
rpm's intermittently.
Corrective Action
1. Install the master fuel flow
gage.
2. Operate the engine to
compare the gages.
3. Replace the faulty fuel flow.
1. Complete a check for a
blocked fuel pump filter and
inoperative NTO light.
2. Replace the fuel gage or
replace fuel pressure
regulator. Refer to the "Fuel
Pressure Regulator
Replacement" procedure.
1. Complete the "Induction
System Inspection" and
remove all blockages.
2. Make sure that the air box is
installed in accordance with
the airframe manufacturer's
specifications.
Adjust the propeller in
accordance with airframe or
propeller manufacturer's
instructions.
Examine the baffles
Ref.
AMM
73-10
72-80
&
AMM
AMM
AMM
12-30
Page 87