WIL-11113-E-04
18
HS430S High Pressure Bolted Metal
Step 13
Step 14
Loosen and remove the four (4) air valve bolts from the center section assembly.
Lift the muffler plate and muffler plate gasket away from the center block. Inspect for wear
and replace, if necessary.
Lift the air valve assembly and remove the air valve gasket. Inspect the gasket and replace,
if necessary.
Remove the air valve end cap to expose the
air valve spool by lifting up on the end cap.
Inspect the O-ring on the end cap using an
O-ring pick. Replace the O-ring(s), if
necessary.
NOTE:
The Pro-Flo SHIFT air valve
incorporates an end cap at both ends of the
air valve.
DISASSEMBLY / REASSEMBLY
