Whitehall WH3740BAR User manual

Ligature Resistant
ADA Compliant Bariatric
Stainless Steel Basin
Powder Coated White
6900-199-001 April 2019
Model WH3740BAR
INSTALLATION, OPERATIONS AND
MAINTENANCE MANUAL
WH3740BAR-WH3377L
®

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
Phone [phone] • [phone] • Fax [phone] • Web: www.whitehallmfg.com
a
Instructions for Operation and Care of Best-Care WH3740BAR
Provide 110-120VAC/60Hz/3A (MAX) electrical receptacle for factory supplied
120VAC/9VDC, 100mA plug-in transformer if required.
Industry standard wall backing, for wall hung fixtures, is required. Installer provided wall
anchors and wall anchoring hardware must be appropriate for wall construction.
Important: Some options may slightly alter installation. To ensure proper installation
review the manual thoroughly and verify rough-ins before beginning any work. File this
manual with the owner or maintenance personnel upon completion of installation.
T/P Mixing Valve Assembly: Recommended working water pressure is 30 psi (2.07 bars)
minimum to 100 psi (6.89 bars) maximum. Maximum hot water temperature is 180°F
(82°C). Temperature adjustment range is 85-115°F (29-46°C). Minimum hot water
supply temperature must be 5°F (3°C) above desired set temperature. Valve assembly
must be drained prior to being subjected to freezing temperatures. The valve assembly
has checks integral to the inlets however, angle stops are to be provided by the installer.
Prior to installation, supply lines must be flushed of all foreign material such as pipe
dope, chips, or solder. Debris or foreign material in water supply may damage valve.
Teflon tape is recommended on all threaded waste and supply connections to reduce the
possibility of leaks.
Single Temp Valve Assembly: Recommended working water pressure is 30 psi (2.07
bars) minimum to 100 psi (6.89 bars) maximum. Maximum temperature is 130°F
(54.4°C). Maximum outlet temperature recommended is 105°F (40.6°C). Valve
assembly must be drained prior to being subjected to freezing temperatures.
ANSI, UFAS or ADA compliance is subject to the interpretation and requirements of the
local code authority and is the responsibility of the installer for verification.
Upon receiving, verify count and inspect packaging for obvious signs of damage or
missing containers. If there are any issues upon receiving make note on bill of lading and
report to carrier and manufacturer promptly. Remove fixture assemblies from packaging
and ensure all parts are present before beginning installation. Do not discard packaging
until all parts have been accounted for. Refer to Acorn terms, conditions of sales and
warranty for more information.
NOTE: Receptacle(s) must be wired to a GFCI protected circuit. Fixture must be earth
grounded per N.E.C. (National Electrical Code).

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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1
Rough-Ins ...................................................................................................................................................4-6
Troubleshooting ...........................................................................................................................................16
Table of Contents
Prior to Installation ........................................................................................................................................ a
Table of Contents ...........................................................................................................................................1
Accessibility Overview ...................................................................................................................................2
Programming Piezo Pushbutton ............................................................................................................ 17-19
Cleaning and Maintenance ..........................................................................................................................20
Installation.................................................................................................................................................7-15
Components & Repair Parts ...................................................................................................................21-23
Warranty Information................................................................................................................................... 24
Dimensional Data...........................................................................................................................................3
PAGE
Required Items for Installation - Not Supplied
?Chalk Line
?Hammer
?1/2" NPS Outlet Angle Stops
?5/8" Hex Wrench & 1/8” Allen Wrench for
Temperature Adjustment
?1/2" NPS Flexible Supply Hose
(For Dual Temperature with Tempering Valves
Only)
?Carpenters Level ?Plumbers Putty
?Fixture Wall Anchors and Anchoring Hardware
(and Appropriate Tools) - For 1/4" (3 Places)
?Driver For 5/32” Hex Driver Bit for Supplied
Center Reject Screws
?1/8” Slotted Tip Screwdriver For Metering
Adjustment
?Teflon Tape
Instructions for Operation and Care of Best-Care WH3740BAR

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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2
ACCESSIBILITY OVERVIEW
Instructions for Operation and Care of Best-Care WH3740BAR
ADA
Adult ADA ages
6 thru 12
OBC
(ONTARIO BUILDING CODE)
4"
34"
RIM
MAX.
27"
MIN.
3"
221
2"
253
8"
115
8"
221
2"
3"
4"
31"
RIM
MAX.
24"
MIN.
253
8"
85
8"
33"
MAX.
29"
MIN.
4"
3"
221
2"
253
8"
105
8"
OBC
PROFILE

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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3
DIMENSIONAL DATA
Instructions for Operation and Care of Best-Care WH3740BAR
221
2"
221
4"
3"
4"
201
8"
253
8"

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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4
!!
ROUGH-IN DIMENSIONS -ADA (Adult)
Instructions for Operation and Care of Best-Care WH3740BAR
23"
9"
TYP.
12"
201
4"
13
4"
24"
8"
61
2"
3"
4"
6" 8"
TYP.
101
8"
TYP.
Ø1-1/2" Tube Lavy Waste Outlet For Compression Joint.
A
C
D
E
(6) Ø3/4" Mounting Holes, For Carrier Hardware.
120VAC, 60Hz, 3A (Max) GFCI Protected, Electrical Receptacle.
F
(2) Ø9/32" Mounting Holes for Valve Mounting Bracket.
1/2" NPS Hot & Cold Angle Stops (By Others).
(3) Ø1/4" Mounting Holes.
G
B (2) Ø3/4" Mounting Holes, For Recommended 3/8" UNC Hardware By Others.
F
A
D
A
B
C
A
A
B
G
E
27"
2"
331
2"

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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5
Instructions for Operation and Care of Best-Care WH3740BAR
ROUGH-IN DIMENSIONS -ADA
AGES 6 THRU 12 YEARS
20"
9"
TYP.
9"
171
4"
13
4"
21"
8"
61
2"
3"
4"
6" 8"
TYP.
101
8"
TYP.
Ø1-1/2" Tube Lavy Waste Outlet For Compression Joint.
A
C
D
E
(6) Ø3/4" Mounting Holes, For Carrier Hardware.
120VAC, 60Hz, 3A (Max) GFCI Protected, Electrical Receptacle.
F
(2) Ø9/32" Mounting Holes for Valve Mounting Bracket.
1/2" NPS Hot & Cold Angle Stops (By Others).
(3) Ø1/4" Mounting Holes.
G
B (2) Ø3/4" Mounting Holes, For Recommended 3/8" UNC Hardware By Others.
F
A
D
A
B
C
A
A
B
G
E
24"
2"
301
2"

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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6
Instructions for Operation and Care of Best-Care WH3740BAR
ROUGH-IN DIMENSIONS -OBC
22"
9"
TYP.
11"
201
4"
13
4"
23"
8"
61
2"
3"
4"
6" 8"
TYP.
101
8"
TYP.
Ø1-1/2" Tube Lavy Waste Outlet For Compression Joint.
A
C
D
E
(6) Ø3/4" Mounting Holes, For Carrier Hardware.
120VAC, 60Hz, 3A (Max) GFCI Protected, Electrical Receptacle.
F
(2) Ø9/32" Mounting Holes for Valve Mounting Bracket.
1/2" NPS Hot & Cold Angle Stops (By Others).
(3) Ø1/4" Mounting Holes.
G
B (2) Ø3/4" Mounting Holes, For Recommended 3/8" UNC Hardware By Others.
F
A
D
A
B
C
A
A
B
G
E
26"
2"
321
2"

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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7
Instructions for Operation and Care of Best-Care WH3740BAR
201
4"
33
4"
8"
VARIES
VERTICAL
SUPPORT
HORIZONTAL
SUPPORT PLATE
1/2"-13 UNC
MOUNTING STUDS
VERTICAL
SUPPORT
SUPPORT
KNUCKLES
CARRIER DIMENSION INFORMATION
SET SCREWS
VIEW NOT TO SCALE
4"
3"
SUPPORT
KNUCKLES
1/2"-13 UNC
MOUNTING STUDS
VERTICAL
SUPPORT
SET SCREWS
HORIZONTAL
SUPPORT PLATE
217
8"
1"

1) Assemble Horizontal Support Plate 1 to Support Knuckles 2 using 1/4”-20 Set Screws 3 provided, to obtain
proper vertical spacing of Vertical Supports 4.
NOTE: Installation should be in accordance with accepted construction practices.
2) Slide Horizontal Support Assembly onto Vertical Supports 4 so that lower mounting points 5 are at desired
location, see chart, and secure with 1/4”-20 Set Screws 3 and position carrier in desired location.
5) Slide second set of Support Knuckles 2 onto Vertical Supports 4 and position so that 1/2”-13 mounting points are
at dimensions shown and secure with 1/4”-20 Set Screws 3. Repeat with last set of Support Knuckles 2.
6) Secure 1/2”-13 Mounting Studs 8 to Support Knuckles 2 with Nuts and Washers 9 provided.
4) Install and secure Lower 1/2”-13 UNC Mounting Studs 8 to Horizontal Support Plate 1 with provided Nuts and
Washers 9. See Section A-A.
3) Using Support Bases 6 as a template mark an locate floor mounting points. Move carrier and install Floor
Anchors 7 provided by installer. Reposition carrier and secure to floor using installer provided anchoring
hardware 7.
Carrier Assembly Installation:
31
2" MIN.
5" MAX. 201
4"
33
4"
8"
4" SQ.
5
8"
TYP.
23
4"
TYP.
3"
1"
Ø9
16"
DIMENSION "A"
ADA
ADA -JH
OBC
20-1/4"
17-1/4"
19-1/4"
"A"
3
4"
FINISHED
WALL
2
7
8
6
2
1
4
3
3
3
5
5
8
88
9
Instructions for Operation and Care of Best-Care WH3740BAR
WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
Phone [phone] • [phone] • Fax [phone] • Web: www.whitehallmfg.com
8

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
Phone [phone] • [phone] • Fax [phone] • Web: www.whitehallmfg.com
9
Instructions for Operation and Care of Best-Care WH3740BAR
FIXTURE ANCHORING
deck trim such as faucets, soap
dispensers or other accessories
prior to wall mounting.
HINT: It may be advantages to install
DETAILDETAIL
1Anchor the valve mounting bracket to the wall using
installer provided wall anchors and anchoring
hardware, refer to dimensional data for rough-in
information. Once the valve mounting bracket is
anchored to the wall, mount the valve assembly to
the valve mounting bracket using mounting hardware
provided by the installer.
Before mounting fixture to wall remove waste
2assembly. With valve mounted to wall carefully, slide
fixture onto exposed carrier mounting studs.
Secure basin to wall using provide nuts and washers.
3
3
1
2

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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10
Instructions for Operation and Care of Best-Care WH3740BAR
Assemble waste piping using teflon tape on all threaded
5connections and make up waste connections to 1-1/2" P-trap.
Install strainer to basin using plumbers putty
4on underside of grid strainer flange. Insert the
Overflow Insert through the Overflow Hole and
tighten to 3/8” O.D. Elbow Adapter. From
beneath basin, assemble rubber gaskets,
overflow adapter, fiber gasket and jam nut as
shown to strainer and tighten securely. Add
close elbow to strainer assembly as indicated.
WASTE ASSEMBLY
HINT: Teflon tape is recommended on all threaded waste and
supply connections.
31
2"
REF.
45
8" REF. 45 8" REF.
Rubber Gasket
Overflow Adapter
Red Flat Fiber Gasket
1-1/2" - 16 UNI Rough Chrome Brass Nut
1-1/4" - 27 UNI Close Ell w/ 3/8" NPTI Clean-Out
Plug
Waste Outlet Connection
Strainer Flange
11
10
9
8
7
6
5
Strainer w/ 1-1/2" - 16 UNE Threads4
3/8" O.D. x 3/8" NPT Female Connection2
Overflow Insert1
12
4
5
6
3/8" O.D. x 3/8" NPT Male Connection
7
5
8
910
11
3
3/8" O.D. Overflow Tube3
NOTE: Waste assembly may require field cutting and fitting by the
installer.

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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11
Instructions for Operation and Care of Best-Care WH3740BAR
VALVE INSTALLATION
DUAL TEMP. WITH MX-TP VALVE
!IMPORTANT
Before making up the supply
connections, the supply
lines must be flushed of all
foreign material such as
pipe dope, pipe chips,
solder, sand, etc.
for MXTP Valve (Hot & Cold), Flush Supply lines.
AConnect installer provided 1/2" NPS flex hoses to
valve.
-04-M HOT & COLD METERING
VALVE
for hot & cold temperature valves,
cflush supply line. Connect installer
provided 1/2" NPS flex hose to
valve.
-03-M SINGLE TEMPERATURE
METERING VALVE
for -ST Single Temperature
Bvalves, flush supply line. Connect
installer provided 1/2" NPS flex
hose to valve.
3) Connect outlet of tempering valve to spout(s) using 1/4” OD tubing and adapter.
NOTE: Installation should be in accordance with accepted plumbing practices. Angle stops are recommended and
is the responsibility of the installer
1) Locate suitable place for mounting the valve assembly. Valve assembly should be accessible for service and
adjustment and as close to the point-of-use as possible. Wall anchors and anchoring hardware, for Ø 3/8”
mounting holes, provided by installer.
2) Connect hot and cold water to supply valve using 1/2” NPTE connections.
5) Turn on fixture and allow water to flow for 2 minutes. Measure water temperature at outlet. If water is not at
desired temperature, adjust as necessary.
-MXTP VALVE ONLY
4) Turn on hot and cold water supplies. If any leaks are observed, hand tighten connections as necessary to stop
leaks before proceeding.
Valve Assembly Installation:
1/4" OD Supply
Outlet, Provided
1/4" OD Supply
Outlet, Provided

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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12
Instructions for Operation and Care of Best-Care WH3740BAR
VALVE ADJUSTMENT & SERVICING
2) Turn on fixture and run water for at least 2 minutes. Allow supply temperature to stabilize.
3) Turn temperature stem counter-clockwise for hotter or clockwise for colder outlet temperature.
4) Tighten locknut to prevent accidental or unauthorized temperature adjustment.
5) Re-check outlet temperature.
1) Loosen locknut.
Temperature Adjustment:
LOCKNUT
WARMER
TEMPERATURE
STEM
Cleaning Valve Screen:
1) Disconnect supply hose(s) from stops.
6) Completely flush supply lines of all foreign debris before reconnecting to
fixture.
5) Reassemble in reverse order
4) With valves completely loose pull out adapter with supply hoses 8 from
valves in order to get access to the screen washer 9 . The screen
washer should remain inside of the valve opening and easy to remove for
servicing.
7) Air within the valve assembly or the structure supply piping will cause an
irregular outlet stream until purged out by incoming water. Covering the
spout with a clean cup (or similar object) is recommended when first
activating the valve assembly to prevent excessive splashing. Activate
valve assembly until steady water is achieved.
3) With valve assembly free from wall bracket 5 remove #10-32 phillips
screw(s) 6 from the back of the valve bracket 3 to allow valves 7 to be
free.
Before starting process shut-off water supply and activate water valve to
depressurize the water line.
2) Using a Phillips screw driver remove #10-32 phillips screws 1 while
using a 3/8 wrench to retain #10-32 hex nuts 2 to free valve assembly
with valve bracket 3 . Once screws, nuts and washers 4 have been
removed place in a safe place for reassembly.
2
4
6
3
1
7
9
8
5

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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13
Instructions for Operation and Care of Best-Care WH3740BAR
VALVE CONNECTIONS
1/4"
Min.
Ferrule
Nut
Leave a minimum 1/4” of polyethylene tubing
protruding through the Ferrule Nut. This is
necessary to ensure proper tubing connection.
Ferrule Nut
Timing Screw
To adjust timing,
turn timing screw.
Turn timing screw clockwise to
increase timing.
Do not over tighten
ferrule nuts.
1/8" O.D. AIR TUBE
1/4" O.D. WATER TUBE

-SO SENSOR/ -PPZ PROGRAMMABLE
PIEZO PUSHBUTTON CONNECTIONS
Transformer must be
plugged into a GFI
protected circuit.
Fixture must be earth
grounded per N.E.C. or
applicable codes.
-SO SENSOR
-PPZ PUSHBUTTON
RED BLUE
RED
BLUE
TRANSFORMER
SOLENOID VALVE
3374L-PPZ 3373L-PPZ/-SO
WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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14
Instructions for Operation and Care of Best-Care WH3740BAR
-SO Sensor Operation
Range Adjustment
1. Make sure power supply is disconnected from
sensor and make short circuit on red wires.
See DETAIL A.
4. Move hand to desired sensing distance.
See DETAIL B.
5. Hold hand at desired sensing distance until red light
stops flashing and solenoid activates.
See DETAIL C.
2. Connect power supply to sensor. Red light should
be flashing.
3. Move hand in front of sensor to distance of 2” to 4”
within 5 seconds and wait until red light flashes
quickly.
DETAIL A
DETAIL B
DETAIL C
Jumper
By Others

ACCESS PANEL INSTALLATION
Install P-Trap cover using #10-32 x 1/2” center reject hex head screws provided. Secure bottom
of P-Trap cover to wall with wall anchors and anchoring hardware provided by others.
WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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15
Instructions for Operation and Care of Best-Care WH3740BAR

CONDITION: WATER DOES NOT FLOW
Probable Cause Solution
Water main closed. Open water main.
Checkstops closed. Open checkstops.
Debris or scale in checkstop strainer
. Remove checkstop strainer and clean.
Air leaks from 1/8” O.D. tubing or fittings. Replace damaged tubing or fitting.
Pushbutton air diaphragm leaks. Replace pushbutton air diaphragm.
Servomotor diaphragm center hole is blocked.
Servomotor upper diaphragm is damaged.
Low or no water pressure at supplies. Increase water pressure to 30 PSI minimum.
CONDITION: WATER DRIPS, WON'T SHUT OFF
Probable Cause Solution
Servomotor diaphragm offset hole is blocked.
Servomotor seat is damage Replace servomotor seat.
Servomotor plate or diaphragm is obstructed.
Servomotor timer assembly is damaged. Replace servomotor timer assembly.
Probable Cause Solution
Valve riser tubing is crimped. Straighten valve riser tubing.
Debris or scale in checkstop strainer
. Remove checkstop strainer and clean.
Blockage in valve flow control. Remove blockage.
Low water pressure at supplies. Increase water pressure to 30 PSI minimum.
Lime deposits in hot water pipes.
CONDITION: REDUCED WATER FLOW
Probable Cause Solution
Air leaks from 1/8" O.D. tubing or fittings. Replace damaged tubing or fitting.
Pushbutton air diaphragm leaks. Replace pushbutton air diaphragm.
Remove blockage.
Replace servomotor upper diaphragm.
Remove cause of obstruction.
Remove blockage.
TROUBLE SHOOTING FOR OPTIONAL PUSHBUTTON OPERATED VALVES
Normal Valve Function: Hand pushbutton operated valve has an adjustable flow time from
5 to 60 seconds.
Remove lime deposits with appropriate
cleaning solution.
CONDITION: PREMATURE WATER SHUT OFF
WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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16
Instructions for Operation and Care of Best-Care WH3740BAR

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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17
Instructions for Operation and Care of Best-Care WH3740BAR
Programmable Piezo Pushbutton
Programming Instructions (Flow Time Adjustment)
— When a timing mode is not required then do not push the button and wait for the next timing mode.
— Each timing mode (1 sec, 5 sec or 20 sec timing mode) can be sequenced up to 100 times, that is
the number of times, the button can be pushed, to increase the total timing cycle in each timing mode.
*See work sheet on page 2 which will simplify the programming procedure.
— 1 second timing mode: Each push of the button adds 1 second to the total timing cycle.
— 5 second timing mode: Each push of the button adds 5 seconds to the total timing cycle.
Prevision must be made to access the back of the piezo pushbutton. There is an LED on the back of the piezo
pushbutton under a layer of transparent epoxy, used as a programming indicator light (see page 3).
— 20 second timing mode: Each push of the button adds 20 seconds to the total timing cycle.
In order to start the programming the piezo pushbutton, the button must be powered down. Disconnect the red power
cable and wait 20 seconds, then reconnect the red power cable.
As soon as the cable is reconnected the LED will start flashing, it will flash 4 times, then stays on for 3 seconds.
During the 3 second period, push the piezo button once, the LED will go out, now you are in the 1 sec timing mode
and each time the button is pushed the LED will flash, adding 1 sec to the total timing cycle.
To move on to the 5 sec timing mode, pause and wait for the LED to flash 2 times, now you are in the 5 sec timing
mode. Each time the button is pushed the LED will flash, adding 5 sec to the total timing cycle.
To move on to the 20 sec timing mode, pause and wait for the LED to flash 3 times, now you are in the 20 sec timing
mode and each time the button is pushed the LED will flash, adding 20 sec to the total timing cycle. After programing
is complete, pause and wait for the LED to flash 4 times and then 5 times, which completes the programming.
THE TIME SETTINGS PROGRAM USES 3 DIFFERENT TIMING MODES:
To program the piezo pushbutton, you will need to be able to see the back of the piezo pushbutton.
GENERAL NOTES:
NOTE: This programming procedure moves along rapidly, there is
only about 2 or 3 seconds between programming operations.
The Button is factory set an 8 sec. timing cycle, if an 8 sec. cycle is adequate, then no programming adjustment
is required. Pushing the button during the timing cycle will stop the cycle (Cycle Interrupt).
NOTE: Read the entire document before
trying to program the piezo pushbutton.*

WHITEHALL MANUFACTURING • P.O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
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18
Instructions for Operation and Care of Best-Care WH3740BAR
Determine the
number of seconds
per timing cycle
1 Push = 1 Second
x 1 = sec
Fill in all the
Boxes below
1 Push = 5 Seconds
x 5 = sec
ADD
1 Push = 20 Seconds
x 20 = sec
ADD
Total timing cycle equals
seconds
EQUALS
Ÿ Pause and wait for the LED to flash 2 times.
Ÿ You are in the 1 sec timing mode, immediately push the button, 1 push
equals 1 sec added to the total timing cycle.
— Power down piezo button for 20 seconds.
Ÿ You are in the 20 sec timing mode, immediately push the button, 1
push equals 20 sec added to the total timing cycle.
Ÿ Pause and wait for the LED to flash 3 times.
PROGRAMING STEPS:
Ÿ You are in the 5 sec timing mode, immediately push the button, 1 push
equals 5 sec added to the total timing cycle.
Ÿ While the LED is steady on, push button.
Ÿ Reconnect power.
Ÿ LED flashes, then stays on.
Ÿ LED turns off.
NOTE: if you miss a step in the programming procedure, just power down
the button and start again from the first step.
Programming Instructions (Flow Time Adjustment)
Programable Piezo Pushbutton
WORKSHEET
(FILL IN ALL BOXES, WHICH WILL SIMPLIFY THE PROGRAMMING PROCEDURE)