Fuel Pump: Description and Operation

WARNING: No smoking or open flame of any type should be present when working near fuel or fuel vapor.

Fuel Supply Pump:

OPERATION
The pump is mechanically operated by an eccentric cam located on the camshaft. The pump rocker arm riding against the eccentric provides the diaphragm up-and-down pumping motion.

NOTE: The supply pump cannot be disassembled for repairs and must be replaced if testing indicates it is not within performance specifications.