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Chapter 4
POSSIBLE PROBLEMS/SOLUTIONS-
VACUUM FLUSH SYSTEM-EARLIER MODELS
1. Water leaks out of toilet bowl. The seal
could have something caught in it.
2. Toilets cycle every few minutes instead
of once about every 30 minutes. Check
system for air leak.
3. Pump emits odor. Check pump for loose hoses or con-
nections.
4. Toilet will not fl ush. Open fl ush valve & check orfi ce
at the bottom of the base. Also, check vacuum pump,
generator and vacuum tank for obstruction.
5. Blockage between toilet and vacuum generator. Check
for foreign object in lines. Also, check for excessive toilet
tissue.
6. Water does not shut off in toilet. Check for debris in
water valve.
7. Water does not enter toilet bowl properly. Make sure
water supply is suffi cient and breakers are activated at the
ship’s main control panel. Also, check the water valve for
debris.
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