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NM3
4.17.53 Connect the copper tube to the tee fitting in the ventilator box.
4.17.54 Install the spacer ring and bellows adjustment rod tube at the top of
the valve case and guide assembly.
4.17.55 Attach the small diameter tubing from the miniature actuator to the
left side hose barb on the ventilator solenoid valve (port labeled
"out"), and secure the connection with a press-on clamp.
NOTE:
4.17.56 Reattach the muffler/silencer to the intake flange at the muffler
housing interface, and reattach the rear access panel using the screws
that were previously removed.
4.17.57 Install the volume indicator on the bellows adjustment rod in the
same position as before disassembly, and tighten its two setscrews.
4.17.58 Install the bellows guide by screwing its stem into the bellows
adjustment rod. Secure it with #222 (purple) Loctite.
4.17.59 Remove the prop from the monitor box and carefully lower it into
position. Replace the screws holding the monitor box to the ventilator
box.
4.17.60 Place the bellows box front panel into position, ensure that the slot
in the knob assembly is correctly aligned with the drive pin on the
bellows adjustment shaft, and install the four screws holding the
front panel to the machine.
4.17.61 Replace the bellows assembly and tighten the wingnuts holding it in
place. Connect any hoses that were previously removed from the
bellows assembly.
4.17.62 Reconnect the pipeline hoses and AC power cord, and reset all circuit
breakers.
4.17.63 Perform the PMS Procedure given in Section 6.
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REPLACEMENT PROCEDURES (continued)
After the connection is made, ensure that there are no
kinks or sharp bends in the tubing.
4-65
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