Thor Motor Coach Class B+ - How to Prevent Blockage of Drain Lines; Termination Compartment Components

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3. Deposit the other end of the sewer hose into an approved dump station inlet.
4. Open the black termination valve rst and drain.
5. Open the gray (smaller) tank valve to drain and ush out the hose.
6. Rinse the tanks and hose thoroughly with fresh water before disconnecting.
7. Close the termination valves.
8. Rinse the sewer hose with the faucet provided in the termination compartment.
9. Replace the sewer hose to the storage location.
10. Replace the termination cap on the outlet, making sure that it is secured and
locked.
The most common holding tank problem is blocking the drain lines, which can be
minimized by following a few simple suggestions:
• Always use plenty of water when ushing.
• Do not put facial tissue, paper, baby wipes, or sanitary napkins into your holding
tanks.
• Do not put solid objects into the tank which could puncture or scratch your
tanks.
• Do not leave the termination valves in the open position or open them prior
to having the sewer hose connected. Do not remove the termination cap with the
termination valves in the open position.
• You may wish to add an approved deodorant chemical, approved for your sewer
system, to aid in the breakdown of solid wastes as well as making your system more
pleasant to use.
• Prior to dumping, make sure your tank is at least 1/3 full.
• Fill and cover the bottom of the tank with water after dumping is complete
and leave the water in the tank.
• Use only approved, biodegradable, toilet tissue designed specically for motorhome
systems.
The termination compartment has many operations. Please note that because of the
various congurations of each individual motohome, the items listed below may or may
not pertain to your unit. Listed below are the xture call outs and functions:
1. Exterior shower head. For washing animals, hands, sewer hose, or any exterior
cleaning job.
2. Termination valve handle. To open, grab handle, and pull outward. Make sure that
the drain hose is connected.
3. Termination cap. Remove this to install the sewer hose. Be sure that the termination
valves are closed before removing this cap.
4. Sewer holding tank ush attachment. Attach the city pressure hose and allow the
water to ow for three minutes. Be sure to open the termination valves and have
the sewer hose attached and draining into an approved waste disposal system.
Water Systems
TERMINATION
COMPARTMENT
COMPONENTS
HOW TO PREVENT
BLOCKAGE OF
DRAIN LINES