4-45 CHECK VALVE (CONT)
Death or severe injury might result when compressed air is used to
blow dirt from skin or clothing. Air entering body openings is extreme-
ly dangerous. Compressed air used for cleaning shall not exceed 100
psi (690 kPa). Use goggles or face shield for eye protection.
Direct compressed air into check valve (3) against
direction of arrow on side of check valve. There
should be no air flow through check valve. Air
flow indicates valve is defective. Replace.
5. Adapter body
Install adapter body (5).
Install check valve (3) in pipe cross (4) with arrow
Connect fuel tube (1) to adapter body (5) using
tube nut (2).
Tighten all connections sufficiently to prevent