Teledyne TSIO-360-RB, Maintenance Manual

Page: 199 / 206

23-5
23-2 ENGINE ADJUSTMENT AND SETUP (continued)
Fuel System Adjustment
Verify that the aircraft fuel system is operating properly in accordance with the airframe
manufacturer's instructions before performing any engine fuel system setup procedures.
Adjust the engine fuel system as follows:
NOTE : . . A currently calibrated Porta-Test Unit

Model number 20 ATM-C manufactured
by Approved Aircraft Accessories, Inc. or equivalent must be used to adjust the fuel system.
The Porta-Test Unit must be connected and operated in accordance with the manufacturer's
instructions.
Engine-driven fuel pump:
With the engines operating at 2600 rpm and 38.0 inches Hg. Manifold pressure mixtures to
24.0 to 25.0 gallons per hour, and the emergency fuel pumps in the off position, verify the
the engine-driven fuel pump discharge pressure is set to 35 - 45 psig. If the engine driven
fuel pump pressure does not fall within this range, the fuel pressure may be adjusted by the
following method:
a. Loosen jam nut on the fuel pressure adjustment.
b. Adjust screw clockwise to increase fuel pressure, or counter-clockwise to decrease fuel
pressure.
FIGURE 23-2. FUEL PUMP ADJUSTMENT
(continued on next page)