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GMC ZE06581 1976 Maintenance Manual Supplement page 131

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assembly, noting they are held together by a
non-hardening type caulking material .
REMOVAL
4. Remove 3 screws securing ball valve to
1 . Turn off water pump at water pump
bowl, and remove ball valve .
switch located beside entrance door.
Open
5. Install ball valve by reversing steps 1-4.
cold water faucet in bathroom sink to reduce
Note the two long ball valve retaining screws
line pressure .
are installed from the top, and the one short
2 . Disconnect toilet water fill line at right
screw is installed from underneath.
rear corner of toilet (below flush knob).
3 . Flush toilet several times, if necessary,
to remove water from water trap.
4 . Remove two nuts located at base of
toilet.
5 . Lift
toilet
off
mounting
studs
and
remove from vehicle.
6 . To avoid holding tank fumes entering
vehicle place suitable air tight covering over
toilet mounting flange .
TOILET REPLACEMENT
INSTALLATION
1 . Remove air tight covering (if used) from
toilet mounting flange .
2 . Install new flange seal.
3 . Set
toilet
in
place
and
install
two
uts located at base of toilet .
4 . Connect toilet water fill line at right
rear corner of toilet (below flush knob) .
5 . Turn on water pump and momentarily
open cold water faucet to bleed out air in
water line .
6 . Flush toilet several times and check for
leakage . Correct as necessary .
VACUUM BREAKER COVER REPLACEMENT
1 . Remove flush knob .
2. Remove 12 screws from underside of
base.
Remove
base
from
bowl
and
lid
assembly .
3 . Remove 8 screws holding bowl to lid
assembly .
Carefully separate bowl from lid
assembly, noting they are held together by a
non-hardening type caulking material .
4. Remove
17
screws
retaining
vacuum
breaker cover to bowl assembly.
5. Install vacuum breaker cover by revers-
steps 1-4 .
TOILET 2410-3
WATER TRAP REPLACEMENT
1 . Remove flush knob .
2. Remove 12 screws from underside of
base .
Remove
base
from bowl
and
lid
assembly .
3 . Remove, 8 screws holding bowl to lid
assembly .
Carefully separate bowl from lid
assembly, noting they are held together by a
non-hardening type caulking material .
4. Remove 2 screws holding water trap to
bowl.
Then disconnect push link from water
COMPONENT REPLACEMENT
trap . Remove water trap.
(Refer to Figure 1)
5. Install water trap by reversing steps 1-4 .
BALL VALVE REPLACEMENT
1 . Remove flush knob by pulling straight
MAINTENANCE
upward .
2 . Remove 12 screws from underside of
No routine maintenance is required to clean
base.
Remove
base
from
bowl
and
lid
the unit, use any high grade, non-abrasive
assembly .
cleaner.
Do not use highly concentrated or
3 . Remove 8 screws holding bowl to lid
high
acid
content
household
cleaners
(no
assembly .
Carefully separate bowl from lid
scouring powder) .

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