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1
EVAC
Commercial Marine Equipment
V
V
V
V
VA
A
A
A
ACUUM
CUUM
CUUM
CUUM
CUUM T
T
T
T
TOILET
OILET
OILET
OILET
OILET
TROUBLE SHOOTING
Date:
Doc.
20 Apr 2009
4:01003F
5327002
EVAC 90, STAINLESS STEEL, FLOOR MODEL, SHOCK TESTED
6542534
EVAC 90, STAINLESS STEEL, FLOOR MODEL, SEAT WITHOUT COVER, SHOCK TESTED
5327004
EVAC 90, STAINLESS STEEL, FLOOR MODEL USPH
Trouble
Toilet is discharging
contineously (discharge
valve open)
Bowl is not emptying, but
water run (high water in
bowl)
No water, but otherwise
flushing or too little rinsing
water
Toilet is overflowing
Toilet does not flush.
Cause
• Foreign object in the bowl or in the
discharge valve
• Blocked bowl
• Blocked discharge valve
• Loose / clogged hoses
• Water shut-off valve closed
• No water pressure
• Filter in water valve full of dirt
• Flushing ring loose
• Flushing ring clogged
• Strainer (not in USPH model) blocked up
• Water valve jammed in open position
• Bowl clogged or discharge valve not
operating
• Misuse (buckets of water thrown in the
bowl)
• Too low vacuum (less than 30kPa) to flush
• Too low vacuum (less than 30kPa)
• Clogged mini-check valve
• No impulse from flush knob
• Jammed control mechanism
Remedy
• Shut off the problematic branch line valve
hoses
• Remove the foreign object
• Change discharge valve
• Check and if necessary change the control
mechanism.
• Clean bowl
• Clean discharge valve with by-pass
• Check / connect hoses.
• Open valve
• Provide water pressure
• Clean filter
• Check / connect flushing ring
• Clean flushing ring
• Clean strainer
• Close water shut-off valve
• Clean / change water valve, nozzles,
springs, rubbers
• Clean bowl, check / replace discharge
valve
• Discharge bowl, valve and piping
with normally flushing
• Check vacuum level, remove blockage in
piping
• Check vacuum level, remove blockage in
piping
• Clean / change mini-check valve
• Check hoses and flush knob membrane
• Change the control mechanism
Discharge valve
Pneumatic push button
Control mechanism
Flushing ring
Water connection hose
Water
valve
Filter
Shut-off valve
Strainer (not in USPH model)
Vacuum breaker
Mini-check valve
