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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.
12 Jan 2007
4:01004C
5435015
DISCHARGE VALVE, EVAC 90, FLOOR MODELS, STAINLESS STEEL
The triangle must face upwards and the
tip of triangle must point towards the
sewage piping.
Sewage
piping
side
Toilet
bowl
side
N.B When assembling, better sealing of rubber diaphragm
is achieved if a screwdriver handle is inserted as shown.
Also check that rubber diaphragm is in right position.
(See picture above).
Fig. 2
Fig. 1
Fig. 4
Fig. 3
Rubber sleeve
Rubber sleeve
Rubber diaphragm
Lightly
spread
Dismantling of the discharge valve:
1. Compress the closing mechanism (Fig. 1).
2. Remove the rubber diaphragm (Fig.2).
3. Release the rubber sleeve; free and remove the
mechanism (Fig. 3).
4. Unscrew the locking screws and take the
assembly apart. Lightly spread upper piston
retainers to free lower piston (Fig. 4).
Trouble
Bowl does not become empty
when flushed
Cause
• Discharge valve blocked
• Leak in discharge valve housing
• Discharge pipe clogged
• Rubber sleeves leaking
Remedy
• Clear stoppage, if any, in discharge valve
• Sharp tools may damage rubber
• Check that rubber sleeves are
undamaged and correctly fitted
