TEO-540-C1A Engine Maintenance Manual
© 2018 Avco Corporation. All Rights Reserved
12-30
November 2018
Page 87
TEO-540-C1A Engine Maintenance Manual
Table 1 (Cont.)
Fault Isolation Guide
Problem
Cause
Corrective Action
Ref.
Low fuel flow (Cont.)
Faulty fuel flow gage
1.
Install the master fuel flow
gage.
2.
Operate the engine to
compare the gages.
3.
Replace the faulty fuel flow.
AMM
Low fuel pressure
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.
73-10
Engine will not turn
static rpm or will not
develop rated rpm
Decreased air flow in the
air reduction system
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.
72-80
&
AMM
Propeller is out of
adjustment (not reaching
low pitch)
Adjust the propeller in
accordance with airframe or
propeller manufacturer's
instructions.
AMM
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.
Examine the baffles
AMM
