d. Remove and Replace the Compound-Lockout Cartridge (Part Number
5913). Refer to figure 2-2 and follow these procedures to remove and replace the
Disconnect the unit from the source gas.
Use a screwdriver and remove the screws that hold the case together.
Slide the front panel forward.
Locate the cartridge on the bottom side of the front panel assembly.
(5) With a crescent wrench, remove the two nuts which secure the cartridge
to the case. These nuts are located outside the front panel.
With a crescent wrench, remove the lock nut on the end of the cartridge.
Gently (do not pull the hoses loose) pull the cartridge up.
Replace the five hoses one at a time to avoid mixing up the correct
(9) Remove and replace the cartridge.
(10) Reassemble in the reverse order.
e. Remove and Replace the Bypass Valve. Refer to figure 2-10 and follow
these procedures to remove and replace the bypass valve.
Turn off the source gas.
With a screwdriver, remove the screws that hold the case together.
Separate the case.
Locate the bypass valve inside the unit, directly behind the nebulizer
Carefully remove the bypass valve and replace both hoses.
Reassemble in the reverse order.