2001 Bombardier DS 650 Shop Manual 704 100 011, Page 92Get this manual
Section 04 FUEL SYSTEM Subsection 02 (FUEL CIRCUIT)
FUEL SYSTEM PRESSURIZATION
Fill up fuel tank no1Remove seat and fuel tank coverInstall on fuel tank the special cap included in the fuel and oil system tester kit (PN 529 033 100)Install hose pinchers (PN 295 000 076) on fuel tank vent line no8 and on the outlet hose no3 at carburetor, as shown in the following photos
Using air pump (PN 529 021 800) inject air into fuel tankSee next photo
V02N05A
1Special cap on tank 2Air pump