Specifications

WILDEN PUMP & ENGINEERING, LLC 16 WIL-10410-E-02

AIR VALVE / CENTER SECTION DISASSEMBLY

Step 10

Using an O-ring pick, remove

the two (2) shaft bushings from

center block. Inspect and replace

if necessary. Using an O-ring pick,

gently remove the two (2) Glyd™

rings from the center block. Inspect

and replace if necessary.

Step 11

Using an O-ring pick, remove the

two (2) Glyd™ rings from modulator

spool bore. Inspect and replace if

necessary.

Step 12

Using an appropriate-sized wrench,

remove the pilot exhaust mufﬂer.

Inspect for damage or contamination

and replace if necessary.

Step 14

Lift away mufﬂer plate and mufﬂer plate gasket from center block. Inspect

for wear and replace if necessary. Lift away the air valve assembly and

remove air valve gasket. Inspect the gasket and replace if necessary.

Step 13

Using an appropriate-sized hex

wrench, loosen and remove the

four (4) air valve bolts from center

section assembly.