Trouble Shooting Chart - Symmons Allura Instrucciones De Operación, Instalación Y Servicio

SERVICE
1. Shut off water supply to valve.
2. Remove handle (see figure 9).
3. Remove dial [T-130A, T-130B, or T-132)
by gently prying upwards from the
bottom of the dial towards the top.
Remove two escutcheon screws (T3-28)
and Pull escutcheon (T-131 or T-133)
outward.
4. Open valve to about warm position
and unscrew cap (T-12A). Warning:
Failure to do this will damage cap and
spindle. Spindle assembly (TA-10) will
be removed with cap. Leave packing
nut (T-17) in place while unscrewing
cap to avoid distortion.
5. Ordinary service to eliminate drip-
ping or not shutting off requires only
the replacement of parts supplied in
washer and gasket kit (TA-9). Hold
spindle with handle while removing hot

TROUBLE SHOOTING CHART

Problem
Valve will not pass water
Valve leaks when shut off.
Temperature control handle is turned from
cold to hot (or hot back to cold) and volume
from spout or head is not constant.
Valve delivers sufficient quantity of cold, but
little hot, or the reverse.
Temperature varies without moving handle.
Valve delivery temperature reduces gradually
during use; handle must be turned to hotter
positions to maintain constant temperature.
In Model A valve, when diverter is set to
shower position a trickle of water runs from
tub spout.
Valve delivers hot water when initially opened
and water turns colder when the handle is
rotated in acounter-clockwise direction.
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washer screw and cold washer retainer
(remove retainer with channel lock
pliers).
6. Inspect top surfaces of hot and cold
seats and replace if necessary. Impor-
tant: When replacing hot and cold
seats, always replace both seats. Even if
only one seat appears worn, both seats
must be replaced. Use part No. (TA-4).
After long years of service, if spindle
is very loose in cold seat, replace with
part no. (TA-4). Use seat removal tool
[T-35(A,B)] for removal and replacement
of (TA-4). If seats are difficult to remove
and tool shifts damaging notches, relo-
cate tool in second position of notches.
Tighten both seats to 15 foot pounds
of torque.
7. The perforated end of the (TA-10)
spindle assembly houses the balancing
piston which is the heart of this pres-
sure balancing valve. The piston should
Cause
Hot and cold water not turned on
Hot and cold washers are worn or foreign
matter (solder, chips, etc.) are between
washers and seat surfaces.
Pressure-balancing piston housed in spindle
assembly is blocked from free movement by
foreign matter.
Same as above
Same as above
Overdraw on hot water supply (i.e. running
out of hot water)
A design function of this valve is to allow
a trickle of water from the tub spout when
diverter is set to the shower position. This
trickle of water is necessary to ensure safe
operation in that the valve will be shut off at
main handle and NOT with diverter handle.
Valve is piped incorrectly (i.e. the hot supply
s piped to the cold inlet and the cold supply
is piped to the hot inlet of the valve.)
■ ZV-412 ■
be free to move back and forth and
should click when the spindle assembly
is shaken. If deposits block this action,
tap the handle end of the spindle
against a solid object to free the piston.
Soaking in household vinegar will help
free foreign matter. If this does not free
piston, replace (TA-10) spindle assem-
bly. DO NOT TAMPER WITH PERFO-
RATED CYLINDER ON THE SPINDLE
ASSEMBLY OR ATTEMPT REMOVAL
OF THE PISTON.
8. Reassemble, reversing above pro-
cedure, be sure spindle assembly is
drawn close to the cap before screw-
ing cap back into valve. Warning:
Failure to do this will damage cap and
spindle.
9. Use only Symmons Genuine Repair
Parts. FaIlure to do so will void all
warranties AND IMPAIR PROPER OPERA-
TION OF YOUR VALVE.
Solution (Follow service instructions)
Turn on both supplies. Valve will not operate
unless both HOT and COLD water pressure
is turned on.
Replace HOT and COLD washers. Inspect top
surface on hot and cold seats and replace if
necessary.
With valve open half way, remove handle
and tap spindle with plastic hammer.
If problem not solved, remove spindle
assembly completely and tap handle end
against solid object to free piston. Soaking
in household vinegar will help free foreign
matter.
Same as above
Same as above
Reduce maximum flow by using volume
control adjustment on valve or shower head.
This will allow longer period of use before
overdrawing hot water supply.
If piping is accessible, correct piping
connections to the valve. If piping is not
accessible, contact factory to order a reverse
seat and tool (T-108 KIT). Older installations
may require replacement of the hot seat (T-1)
as well.
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