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Dometic HC4645H - Motor Runs, No Power Assist

Dometic HC4645H
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15
EN
Causes
A. Air in system.
B. Faulty/damaged coupler.
Solutions
A. Bleed system as outlined in the power assist installation and
operating manual.
B. Inspect coupler for wear and/or damage (see inspection details below).
Inspection
• Turn ignition OFF.
• Disconnect power assist from battery.
• Loosen and remove two 5/16” hex head screws from top of power
assist motor.
• Lift motor straight UP. Hold top and bottom to ensure motor does
not come apart.
• Inspect coupling that joins the motor to the valve body.
• Replace if worn and/or broken.
5.2 Power Assist motor runs but NO
Power Assist
1
1
4
5
2
3
Figure 5-1.
Item Description
1 5/16” Hex Head Screw
2 Wire - Do not disconnect
3 0-Rings (x2) — Ensure O-rings
are in place prior to installation
4 Valve Body
5 Coupling — Install smaller slot
facing down towards the
valve body. Larger slot up
towards the motor