InSinkErator Food Waste Disposer, 17, 777ss, 77, 555ss Installation, Care & Use Manual
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Food Waste Disposer
Installation, Care & Use Manual
TOOLS AND MATERIALS YOU WILL NEED:
Slotted Screwdriver, Adjustable Pliers,
Plumber’s Putty, Electrical Tape
TOOLS, MATERIALS, AND ACCESSORIES YOU
MAY NEED:
Phillips Screwdriver, Drain Auger, 3/8" Electrical
Clamp Connector, Wire Nuts (2), Second 1 1/2" Drain
Trap, Hammer, Hacksaw, Water Hose Clamp, Pipe
Wrench, Copper Ground Wire, Dishwasher Drain
Connection Kit, Air Gap, Electrical On/Off Switch,
Drain Tube Extension
Read through the entire Installation, Care & Use
manual before installing the disposer. Determine which of the
tools, materials, and accessories you will need before you begin.
Make sure you have all necessary disposer parts before installing
the disposer.Read through the entire Installation, Care & Use
manual before installing the disposer. Determine which of the
tools, materials, and accessories you will need before you begin.
Make sure you have all necessary disposer parts before installing
the disposer.
Mounting Assembly
A: Stopper
B: Sink Flange
C: Fiber Gasket
D: Backup Ring
E: Mounting Ring
F: Screws (3)
G: Snap Ring
H
Disposer
H:Mounting Gasket/Splash Baffle
I: Lower Mounting Ring
J: Dishwasher Inlet
K: Discharge Outlet
L: Wrenchette
M: Removeable Sound Baffle
(optional)
P
#1
O
OR
N
#2
Discharge Assembly #1
N: Nut
O:Beveled Discharge Tube
(1-1/2" Diam.)
P: Beveled Washer
Q:Flanged Gasket
OR
Discharge Assembly #2
O:Discharge Tube/Gasket
(1-1/2" Diam.)
R: Flange
S: Screw
M
Q
R
N
SAFETY SYMBOLS
The warning symbol alerts you to
potential hazards or unsafe practices which could
result in serious personal injury or death.
The caution symbol alerts you to
hazards or unsafe practices which may result in
minor personal injury or property damage.
www.insinkerator.com
➊ CHECK INSTALLATION DIMENSIONS
A: Disposer Height
B: Distance from bottom of sink
bowl to centerline of discharge
outlet. (Add 1/2” when stainless
steel sink is used.)
C: Distance from centerline of
the discharge outlet to end
of discharge tube.
D: Disposer Width
E: Distance from disposer vertical
centerline to centerline of
P-trap connection.
F: Centerline of disposer discharge to centerline at waste pipe entering wall.
(Dimension “F” must be greater than 1/4" to prevent standing water in disposer.)
If replacing an existing disposer, skip ahead to Instruction ➏.
If this is a first time installation, continue with Instruction ❷.
➋ DISCONNECT SINK DRAIN
1. Loosen nut (A) at top of “P-trap" with pipe wrench (see Figure 2-1).
2. Loosen nut (B) at top of extension pipe. Remove extension pipe.
3. Loosen nut (C) at base of sink flange.
(If nut is corroded or too tight, apply penetrating lubricant.)
4. Push sink flange up through sink hole and remove it (see Figure 2-2).
5. Clean sink flange area of any putty or other debris.
ledoMABCDE
71*
SS777
77
SS555
444
SS333
333
sulP5redaB
5regdaB
1regdaB
* Indicates batch feed model
"8/751"61/79"4"2/17"4/35
"4/321
"61/73161/316"4"2/18"4/35
"4/32161/116"4"2/18"4/35
"8/521"6"4"4/17"5
"4/32161/116"4"61/37"4/35
"4/32161/116"4"4/17"4/35
"8/521"6"4"4/36"5
"8/311"6"4"61/56"5
"8/311"6"4"61/56"5
6
"61/11
"4"2/18"4/35
➌ DISASSEMBLE NEW DISPOSER
MOUNTING ASSEMBLY
1. Insert wrenchette (or screwdriver) into one mounting lug and hold lower mounting ring
securely with one hand (see Figure 3-1). With your other hand, turn mounting assembly
counterclockwise to remove mounting assembly from lower mounting ring.
2. Turn mounting assembly over (see Figure 3-2) and loosen three mounting screws (A)
until you can access snap ring (B).
3. Use screwdriver to pry snap ring off of sink flange. Mounting assembly will now come
apart.
➍ INSTALL FLANGE IN SINK HOLE
1. Roll 1/4 pound (4 oz.) of non-hardening plumber’s putty to make 3/4" thick rope to seal
around sink flange.
2. Apply putty evenly around sink hole in indentation left by sink flange (see Figure 4-1).
3. Align flange so text is readable, and press sink flange slowly but firmly into sink drain
hole to seat evenly on putty (see Figure 4-2). Use screwdriver or putty knife to scrape
all putty from edge of sink hole.
➎ ATTACH UPPER MOUNTING ASSEMBLY TO SINK
FLANGE
You may wish to place a weighted object in the sink to hold the sink
flange in place. (Place a towel under object in sink to prevent scratch-
ing.) Reference Figure 5-1 for part identification.
1. Working from under sink, slip fiber gasket and metal backup ring (flat side up) over sink
flange.
2. Holding fiber gasket and backup ring in place, slip mounting ring over sink flange so it
seats against backup ring.
3. With the fiber gasket, backup ring, and mounting ring tight to sink bottom. Slide snap ring
onto sink flange until it pops into groove on flange*.
4. Tighten three mounting screws up to sink until mounting assembly is seated tightly and
evenly against sink.
2-1 2-2
3-1
4-1
3-2
4-2
* Placing a thick, wide rubber band around the sink flange (above the snap ring groove) may
help hold parts in place while installing snap ring. (Remember to remove rubber band after
snap ring is installed.)
If you are replacing an existing disposer, go to Instruction ➏.
If this is a first time installation, skip ahead to Instruction ➐.
5-1
➏ REMO VE EXISTING DISPOSER
1. Turn off electrical power at fuse box or circuit breaker.
Electric Shock
• Turn off electrical power at fuse box or circuit breaker before
removing electrical cover plate.
• Disposer must be grounded. Improper connection can result
in electric shock.
Personal Injury
• Do not position your head or body under disposer; unit could
fall during removal or installation.
2. Disconnect drain trap from disposer waste discharge tube with adjustable pliers (see
Figure 6-1). (Also disconnect dishwasher drain connection, if applicable.)
3. Support disposer with one hand and insert end of wrenchette or screwdriver into right
side of one mounting lug on lower mounting ring (see Figure 6-2). Lift disposer slightly
and loosen lower mounting ring by pushing or pulling wrenchette or screwdriver to left
until disposer is free from mounting assembly.
(Disposer may be heavy - provide support.)
4. With electrical supply turned off, turn disposer upside down and remove electrical cover
plate (see Figure 6-3). Loosen green ground screw and remove wire nuts (see Figure 6-
4). Disconnect disposer wires from electrical supply wires. Loosen screw(s) on
electrical clamp connector and remove wires from disposer.
• If the new disposer mounting is the same as old one, remove mounting assembly from
disposer (Instruction ❸) and go to Instruction ➐.
• If the new disposer mounting is different from the old one (or you wish to replace the old
sink flange) you must complete Steps 5 - 6 (below), and Instructions ❷ - ➎ (in previous
column), then continue with Instruction ➐.
5. Loosen three mounting screws, pry snap ring off with screwdriver, and remove old
mounting assembly (see Figure 6-5). (Some mounting assembly removal requires
additional tools.)
6. Push old sink flange up through sink hole (see Figure 6-6). Use screwdriver or putty
knife to scrape all old putty from edge of sink hole.
6-1 6-2
6-3
6-5
6-4
6-6
➐ CLEAN SINK DRAIN LINE
Failure to clean sink drain line may result in drain line blockage.
1. Remove P-trap.
2. With drain auger, clear away all hardened waste material in horizontal drain line.
If you are not connecting a dishwasher to disposer, go to Instruction ➒.
➑ PREPARE DISHW ASHER DRAIN CONNECTION
(IF APPLICABLE)
The knockout drain plug should only be removed if you are connecting a
built-in dishwasher to the disposer. NOTE --If the dishwasher connection is made without removing the plug, the dishwasher may overflow.
(Connections must comply with local plumbing codes.)
Remove Knockout Plug
1. Lay disposer on its side and insert screwdriver into dishwasher inlet so tip rests on outer
edge of knockout plug.
2. Tap end of screwdriver handle with hammer until molded plug breaks loose (see Figure
8-1).
3. REMOVE LOOSE KNOCKOUT PLUG FROM INSIDE DISPOSER.
Attach Dishwasher Drain Connector
If your dishwasher drain hose is 7/8" diameter, go to Instruction ➒.
If your dishwasher drain hose is not 7/8" diameter, you must attach a dishwasher drain
connector to the dishwasher drain inlet. Follow the installation instructions with the connection kit. (You will connect the dishwasher drain hose to the connector in Instruction 12 .)
8-1
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