TM 5-5420-202-20-1
SYSTEMS OPERATION - Continued
PRIMER PUMP. Provides pressurized fuel into engine fuel lines by driver-operated manual
pump. Fuel is forced into manifold heater fuel lines and pump also purges fuel system of air.
Air is forced into fuel tanks. Button on pump handle activates spark plugs on manifold heater
system.
TA249780
2-10
