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2
1. REMOVAL OF OLD UNIT
TYPICAL INSTRUCTIONS, YOUR MODEL MAY VARY.
1A
1D
A. Have a container available to catch any excess water / waste from current disposer.
B. Use a pipe wrench to disconnect drain line where it attaches to disposer discharge
elbow (see 1A).
C. Remove disposer from sink flange by turning mount ring to the left clockwise (see
1B). If you are unable to turn the mount ring, tap on one of the extensions from the
ring with a hammer. Some mounting systems have tubular extensions. Inserting a
screwdriver into one tube will provide additional leverage for turning the mount ring
(see 1B). Some disposers may require the removal or loosening of nuts from the
mount screws (see 1C). Some disposers may require the removal of a clamp.
Caution: Be sure to support the disposer while performing this step or it may fall
when the mounting ring is disconnected from the mounting assembly.
D. To remove remaining mount system from the sink, loosen mount screws, and push
mount ring up. Under it is the snap ring. Use a screwdriver to pop off the snap ring
(see 1D). Remove mount ring, protector ring and gasket from sink flange. Some
mounts will require the unscrewing of a large ring holding the sink flange in place. Pull
the sink flange up through sink and clean off old putty from sink.
E. Ensure that sink is clean and thoroughly dry.
If you have a mount system under the sink that is black plastic with threads:
A. While holding the disposer in place, turn the metal mount ring clockwise (1E). If it is
hard to turn, tap the ear of the mount ring clockwise.
B. When the disposer hopper projections get close to the mount ring opening, hold the
disposer from bottom and disengage it from the mount ring.
C. Remove the rubber cushion mount from under the mount ring.
D. Remove the mount ring. Unthread the black support ring from sink flange by turning
the support ring clockwise. Remove the fiber gasket and then remove the sink flange
from above the sink.
E. Ensure that sink is clean and thoroughly dry.
IMPORTANT: This is a good time to clean out the trap and drain lines by
running a drain auger or plumber’s snake before installing your new disposer.
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Before starting this step, turn off electrical power at the circuit breaker or fuse box. Unplug
disposer.
If your old mount is the same type (3-Bolt Mount) as the mount on your new Criterion®
disposer and you wish to continue using the old mount, just remove your old disposer
as shown below in parts 1A,-1B, & 1C then skip to Step 2 section I.
If your old mount is the same type as the mount on your new Criterion® disposer and you
do not wish to use the old mount you can remove the old mount as follows:
1E
1B
1C
3-BOLT REMOVAL
Mount With readed Flange
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