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The motorhome plumbing system has the dual ability to be self-contained with on-board
storage, or use facilities provided by an external pressurized source. In either case, the
components of the system operate like those in your home. Components of the plumbing
system consist of strong, lightweight, corrosion-resistance materials that provide long life and
easy cleaning. By following the instructions outlined here, you can expect efficient operation
with a minimum of maintenance.
External Hook-up
Water provided from outside the motorhome is pressurized by the system from which it is
delivered. When you connect the motorhome to an outside source, the fresh water tank and
water pump are kept separate from the remainder of the system by in-line check valves.
To connect the motorhome to an outside source of water:
1. Run a potable water hose through the porthole in the bottom of the systems
compartment.
2. Attach one end to the water supply and the other end into the city water connection
inside the systems compartment.
3. Turn the lever on the bypass valve to the city water position.
4. Turn the outside source on. Open various faucets in the motorhome gradually to clear
the air from the lines. Close the faucets when the water flows freely.
NOTE: Do not turn the water pump on when using water from an external supply.
Fresh Water Tank
When an outside source of water is unavailable, water can be drawn from the fresh water
storage tank for use in the motorhome. To fill fresh water tank, proceed as follows.
1. Attach a potable water hose to the city water connection inside the systems
compartment and an outside water supply.
2. Turn the lever on the bypass valve to the fresh tank position.
3. Begin filling the fresh water tank.
4. When the tank is full, turn off the water supply.
NOTE: Never leave the hose unattended while you are filling the fresh water tank.
WATER SYSTEMS
FRESH WATER SYSTEM
MANDALAY
10-1
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