For many years I’ve been using this and never fails when needed the most.
add fuel to the fuel line to help lubricate the cable before pulling then wipe the carbon deposits off the cable and use it as a pipe cleaner to scrub those deposits out of the fuel line
flush debris from fuel lines
put back in the cable
pump/fuel bottle O-ring
if the pump cup is dry simply apply a few drops of oil to lubricate it
check valve seal
lubricate fuel tube bushing
apply a drop of oil to the control valve O-ring
Still burning strong since 2003 and cooking my meals like I bought it yesterday. Now ready again for many years of heavy use and abuse.
Keep your stove running strong. Cheers!