Primer - ON 3-30 SECONDS

Advance the mixture to full RICH and the throttle and prop controls to full FORWARD.
Turn the master switch ON.
The electric fuel boost pump should be OFF.
Push primer switch and hold for the required priming time (see Figure 4-3 in POH).
Close throttle and immediately engage starter.
With ambient temperatures above +20°F, starts may be made by discontinuing priming before engaging starter.

Do not release starter until engine accelerates through 500 RPM, then SLOWLY advance throttle to obtain 1000 RPM.
Release primer and immediately place auxiliary fuel pump switch to LO.  Auxiliary fuel pump operation will be required for one to three minutes initial engine warm-up.