Standard Toilet - GMC Motorhome 1976 Operating Manual

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STANDARD TOILET
There is no routine maintenance required on
the
standard
toilet.
If
a problem occurs, check
and
make the appropriate correction.
1. PROBLEM:
• Water keeps running into the bowl.
CAUSE:
The
blade in the bottom of the bowl is not
closing completely, which in turn keeps
the water control valve partially open.
The groove into which the blade seats
when
completely closed is clogged with
foreign
material. Odors could also leak up
into vehicle.
SOLUTION:
Type 1
• Depress
foot
pedal to expose blade seal.
Insert
the
end
of
a
coat hanger or
similar
object
into the seating groove and remove
the foreign
material. Avoid damaging the
rubber seal
while
cleaning.
Type 2
Check
that
knob
closes all the way
(goes
through 90
rotation). Sticking may be
caused
by foreign material in the bottom
of the bowl.
If
water
running persists,
and
the
knob
works
and there is no foreign
material causing
a blockage, replace the
ball valve.
2. PROBLEM:
• Toilet leaks. There is water on the floor.
Specify the symptom.
Determine
if water
is leaking from:
a. The vacuum breaker.
b.
The water control valve.
c.
Bowl to mechanism seal (if this is the
problem, the water would not stay in
the bowl).
d.
Closet flange base seal.
SOLUTION:
a.
The
vacuum
breaker- if the vacuum
breaker
leaks when flushing the toilet, re-
place the vacuum breaker.
(Toilet
must
be removed.)
b.
If
the vacuum breaker leaks when the
toilet
is
not in operation, replace the
water control valve.
c. Leaks at the bowl to mechanism seal-re-
move mechanism, and replace mechanism
seal.
d. Leaks at closet flange area-check front
and rear closet flange nuts for tightness.
If
leak continues remove the toilet, check
the closet flange height. The height should
be between
1
I
4" and 7
I
16" above the
floor. Adjust closet flange height accord-
ingly and replace closet flange seal.
3. PROBLEM:
Foot pedal operates harder than normal
or blade sticks.
SOLUTION:
Dry blade and apply a light film
of
Sili-
cone spray to blade.
4.
PROBLEM
(Type
1
):
Toilet fails to flush with pedal depressed.
CAUSE:
Ball valve sheared off due to trying to
flush toilet when water is frozen in valve.
SOLUTION:
Replace ball valve.
(Toilet
must be re-
moved.)
5. PROBLEM (Type
2):
Poor flush.
104
CAUSE:
Flush knob not fully
opened.
SOLUTION:
The knob must be held fully
open
during
the
flush. A good flush
should occur
with-
in five seconds.
If
the problem persists, re-
move the water
supply
line and
check
the water supply. The flow
rate should
be
at
least
eleven quarts per minute to en-
sure
an adequate flush.
J

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