Figure 1-26.
Air Pressure Relief Valve/EMI Gasket.
3-33. Air Pressure Relief Valve removal/replacement.
Removal.
Refer to figure 1-26.
--
Loosen and remove the nut.
--
Pull out the valve from the hole in the base.
--
If the O-ring does not come off with the valve, remove the
O-ring.
Replacement.
--
Place the O-ring inside the collar of the valve.
--
Screw nut onto the valve barrel.
3-34. Optical Shroud and Window Assembly removal/replacement.
Removal.
Refer to figure 1-27.
--
Use an orangewood stick to gently pry and lift off the
optical shroud.
Gently scrape away any leftover rubber
and glue.
WARNING
Never use cleaning materials in a closed, or
poorly aired work area or near a fire or open
flame. Avoid touching skin with cleaning fluid.
52
OD1716
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