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GMC ZE06581 1976 Maintenance Manual Supplement page 129

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SECTION 24
TOILET
The information described in Maintenance Manual X-7525 under the heading
TOILET (Sec . 24K) is applicable to models covered by this supplement with the
addition of the following :
AQUA-MAGIC III
GENERAL INFORMATION
system .
It uses a pressure flushing system.
The fresh water flushing system cleans bowl
with a minimum of water.
No-splash bowl
The Aqua-Magic III toilet (figure 1) is a
feature,
maintains water seal
even
while
fresh water, permanently installed flushing
vehicle is in motion .
TOILET TROUBLE DIAGNOSIS
24K-1
Problem
Possible Cause
Correction
WATER KEEPS RUNN- 1 . Water trap in the bottom
1 . Remove foreign matter from water
ING INTO THE BOWL
of the bowl not closing
trap. Check to see that flush knob
completely, which in turn
closes all the way (rotates through
keeps the ball valve partially
900 rotation).
open .
2 . If running water persists,
2. Replace ball valve.
and the knob works
satisfactorily, faulty ball
valve.
TOILET LEAKS .
l: Leak at water supply
1 . If the leak is in the back of the
THERE IS WATER
connection.
toilet, check the water supply
ON THE FLOOR .
connection . Correct as necessary .
2 . Closet flange base seal .
2 . If the leak is at the closet flange
area, check the closet flange nuts
for tightness . If leak continues,
remove the toilet and check the
closet flange height. The height
should be 1/4" to 7/16" above
the floor. Adjust closet flange.
height accordingly and replace
closet flange seal .
POOR FLUSH
1. Flush knob not fully
1 . The knob must be held fully open
opened.
during the flush. A good flush
should occur within five seconds.
If the problem persists, remove
the water supply line and check
the water supply. The flow rate
should be at least eleven quarts
per minute to ensure an adequate
flush.

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