SeaLand 140 VacuFlush Series Toilet - Manual (Page 10)

10
13. Toilet will not flush.
(No vacuum.)
See problems 3 and 14
if necessary.
14. Blockage between toilet and
vacuum generator.
15. Pump emits odor.
a. There is a blockage in the system.
b. Pump will not run.
c. Duckbill valves in vacuum pump
are inverted due to blocked dis-
charge line or an attempt to pump
out against closed seacock.
a. Collapsed vacuum line.
b. Sharp bends or kinks in vacuum
hose.
c. Improper operation of toilet.
d. Foreign objects were flushed down
toilet.
a. Loose or defective hose
connection on pump.
b. Loose intake or discharge fittings
on pump.
c. Worn, torn or punctured pump
bellows (vacuum generator) or
diaphragm (vacuum holding tank).
a. Open flush ball and check the 1-inch
(25mm) orifice at the bottom of the
base for blockage and dislodge it.
Never use drain-opening or other
household plumbing chemicals.
If blockage is not in base, it may be
found in these locations:
• inlet of vacuum generator
• diptube of vacuum generator
• inlet of vacuum pump
• outlet of vacuum tank
b. See problem 11.
c. Replace duckbill valves, making
sure they point in the correct
direction.
a. Inspect vacuum line for collapsed
condition and replace line if needed.
b. Inspect vacuum hose for kinks
or bends. If less than 8.5-inches
(216mm) radius on any bend,
reposition hose to achieve
minimum 8.5-inch bend radius.
c. Make sure each person using toilet
knows correct procedure.
d. DO NOT flush any non-dissolving
items (i.e. sanitary napkins, facial
tissue, wet strength tissue, paper
towels, etc.) or excessive toilet
tissue. Rapid-dissolving SeaLand
brand toilet tissue is best.
a. Tighten connections or replace hose
and make new connections.
b. Tighten intake or discharge fittings
on pump. Replace nipples or
adapters if necessary.
c. Replace pump bellows or
diaphragm.
Problem Possible Cause Service Instructions
TROUBLESHOOTING GUIDE (cont’d)