User manual

6
MAINTAINING THE SYSTEM
Maintenance intervals and normal parts replacement vary widely depending on numerous
factors such as: type of vessel, frequency of system use, quality of flushing water, etc. The
chart below is intended strictly as a general guideline. Owner discretion and consideration of
actual usage must be the first basis for determining proper maintenance levels.
Maintenance Procedure Part Number Maintenance Interval
Follow cleaning procedures, p. 5 – Monthly
Tighten clamps, including base ring – Annually
Inspect wire connections
(vacuum generator or vacuum pump)
– Annually
Inspect/tighten water valve screws – Annually
Inspect/clean filter screen in
water valve
– Annually
Inspect vacuum pump or vacuum
generator and in-line valves
– 2-3 years or as needed
Inspect toilet seals 385316140 3-5 years or as needed
Inspect integral check valve 385311083 3-5 years or as needed
Inspect water valve 385314349 3-5 years or as needed
See base assembly, p.8
CLEARING DISCHARGE LINES
PARTS ORDERING INFORMATION
Dometic is ready to assist you in the event service is required. Before calling, please have
the following information available. Your cooperation in having this information ready is
appreciated and allows us to better meet your needs. Please refer to Customer Service
section on page 12.
1. Toilet Model Number (See Toilet Model Identification section, page 2.)
2. Serial Number
3. Part Number, Description and Quantity (see separate parts list sheet.)
Sanitation hoses should be cleared if toilet will not be needed for an extended period of time
(more than two weeks).
1. Fill toilet bowl with water and add 4 oz. (120 ml) of biodegradable laundry detergent
(should NOT contain bleach).
2. Flush toilet, holding pedal down for about two minutes. Close flush ball.
3. Turn off water supply to toilet.
4. Flush the toilet without water, allowing the vacuum pump to shut off after the flush. Repeat
three times. (This procedure will minimize any remaining water in the sanitation hoses.)
5. Turn off power to the vacuum pump.
6. Completely pump out holding tank.
If system will be subjected to freezing temperatures, please follow above procedure, then
winterize system as described in this manual.