M-14P START PROCEDURE and POWER SETTINGS

The following procedures are provided as a guideline only for our customers with the M-14P radial engine. Murphy Aircraft has equipped their M-14P with a clean kit and oil shut-off valve to help eliminate the oil drippings commonly associated with radial engines.

START PROCEDURE

Intake manifold drain open
Pull propeller thru 2 - 3 rotations for oil cylinder lock
Intake manifold drain closed
Mags off
Master on
Electric fuel pump on
Prime engine for 6 - 7 seconds
Electric fuel pump off
Master off
Pull propeller thru 4 revolutions
Oil valve on, if equipped
Master on
Electric fuel pump on
Prime engine for 3 - 4 seconds
Throttle 1/4" open
Engage shower of sparks / air system to start. Hold on until running
Mags on both when engine firing on shower of sparks
Electric fuel pump off
Check for oil pressure

ENGINE MINIMUMS AND MAXIMUMS

Oil Pressure: Min Idle - 14 psi
                       Max Idle - 85 psi
                       Operating Range - 56 to 85 psi

Oil Temperature: Min for Takeoff - 100 F
                              Max - 185 F inlet oil temp

Fuel Pressure: 3 - 7 psi

CHT Range: Min - 248 F
                       Max - 464 F

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