TM 9-2815-205-34
4-6. FUEL FLOW TEST
This task covers: Testing
INITIAL SETUP
MODELS
EQUIPMENT CONDITION
All Para Description
4-2 Prepare engine for start-up
TOOLS AND SPECIAL TOOLS
Tool kit, general mechanics (App B, Item 107 )
Testing
a.
b.
c.
d.
NOTE
•
If necessary, adapt a fuel line to the fuel return to reach container.
●
On model 5063-5393 the fuel return fitting is machined into a fuel junction block which
is mounted on the engine oil cooler.
Connect a fuel return line (1) to the fuel return fitting (2) on engine.
Hold open end of fuel return line (1) in a measured container.
●
Avoid contact with hot manifolds, pulleys, and other moving parts to avoid
personal injury.
. Wear proper ear protection when running engine. Noise volume of engine can
cause hearing loss or injury.
Start engine and run at 2200 RPM NO-LOAD. Using a stop watch, measure fuel flow from fuel
return line (1) for one minute. Minimum fuel return rate is 2/3 GPM.
Stop engine and remove fuel line (1). Connect fuel return.
4-30