AIR VALVE / CENTER SECTION DISASSEMBLY
Tools Required:
• 5 mm (3/16") Hex-Head Wrench
• 1/4″ Hex-Head Wrench
• Snap-Ring Pliers
• O-Ring Pick
CAUTION: Before attempting any maintenance or repair, disconnect the compressed
air line to the pump and allow all air pressure to bleed from the pump. Disconnect all
intake, discharge, and air lines. Drain the pump by turning it upside down and allowing
any fluid to flow into a suitable container. Be aware of any hazardous effects of contact
with your process fluid.
NOTE: Replace worn parts with genuine Wilden parts for reliable performance.
Loosen the air valve bolts utilizing a 5 mm
(3⁄16") Allen wrench.
Remove muffler plate and air valve bolts
from air valve assembly exposing muffler
gasket for inspection. Replace if
necessary.
Lift away air valve assembly and remove
air valve gasket for inspection. Replace if
necessary.
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