Figure 67. Black Tank Flush Line - Tiffin Motorhomes VANLEIGH BEACON Owner's Manual

To flush the tank after dumping:
1. Leave the sewer hose connected to the outlet pipe. Ensure that it is routed to the
dump station inlet.
2. Attach a garden hose to the black tank flusher inlet.
Do NoT use your fresh water hose.
3. Be sure the black tank gate valve is in the OPEN position.
4. Open the water supply to full pressure to flush tank.
5. When the water runs clear from the sewer hose, shut off the water supply and dis-
connect the garden hose from the water source.
6. Do not disconnect hose from flush inlet until all water has drained from the system.
Do NoT add any check valves to this system or leave any hose connected when not in use.
Manually dumping the black and gray tanks
• Remove the basement wall on the road side of the coach.
• You will see two 8×8 cutouts (black, gray) for the valves.
NOTE: The 40 FLB black tank drain is toward the rear of the RV. The outlet is just right
underneath, rear of the wheels.
• Disconnect the grenade pin and turn the handle sideways. Pull handle straight up to
dump tank.
Plu M b ing sY sTe M s

Figure 67. Black Tank Flush Line

VA N L E I G H B E A c o N
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