VSX SERIES STEAMER - SERVICE PROCEDURES
Page 15 of 80
SERVICE PROCEDURES
WARNING:
CERTAIN PROCEDURES IN THIS SECTION REQUIRES ELECTRICAL TEST OR
MEASUREMENTS WHILE POWER IS APPLIED TO THE MACHINE. EXERCISE EXTREME CAUTION AT ALL
TIMES. IF TEST POINTS ARE NOT EASILY ACCESSIBLE, DISCONNECT POWER, ATTACH TEST
EQUIPMENT AND REAPPLY POWER TO TEST.
CABINET BASES
BOILER
Inspection
It is recommended that the boiler be thoroughly
inspected for excessive scale and lime build up on a
quarterly basis. In hard water areas or for units
heavily used, a more frequent interval should be
used. This inspection consists of an internal
examination and cleaning of the boiler shell, an
examination and possible replacement of the
descaler, a check of lime build up on the water level
sensing probes, and a check of all boiler controls,
including the pressure switches.
Periodic service must be performed as outlined in
these procedures. See “WATER CONDITIONING”
under “GENERAL”.
WARNING
: READ AND FOLLOW THE
INSTRUCTIONS ON THE CLR BOTTLE. USE
PLASTIC OR RUBBER GLOVES TO AVOID SKIN
CONTACT. IF CLR LIQUID COMES IN CONTACT
WITH THE SKIN, RINSE WITH CLEAN WATER.
Clean-Out (All Boiler Models)
1. Turn steamer OFF and drain boiler.
2. Remove hand hole plate and gasket (top front)
from the boiler by removing the nut and clamp,
then tapping the cover lightly to free it while
holding the cover stud. This prevents the cover
from dropping into boiler.
3. Remove old descaler retaining springs if
present.
4. With a wire brush, or equivalent, dislodge and
remove all loose scale from boiler shell. The
loose material must be either scooped from the
boiler or flushed through the drain.
5. Check probe canister and float valve assembly
(regenerated models) for a scale build up and
clean as necessary.
6. Check drain hole for obstructions.
7. Install two new descalers.
8. Mix the deliming solution according to the
instructions for the chemical in use then add
solution to boiler.
NOTE:
Boiler water capacities vary between seven
to nine gallons for both gas and electric models
depending on the boiler size and BTU/KW rating.
NOTE:
If deliming solution accidently comes in
contact with steamer components, lightly rinse off
with clean water.
A. Models with Blowdown Timer
- Pour
deliming solution into boiler shell. Mix the
solution in accordance with the instructions
on its container. Proceed to step 9.
B. Models without Blowdown Timer
- Turn off
the incoming water supply. Turn the unit
ON to close the drain valve. Pour deliming
solution into boiler shell. Mix the solution
in accordance with the instructions on its
container. Proceed to step 9.
C. Models with Deliming Port Assembly
-
Before mixing and pouring deliming
solution into boiler, clean the seating
surfaces for the hand hole gasket and then
install a new gasket. Position the hand
hole plate and tighten down. Turn off the
incoming water supply. Turn the unit ON
to close the drain valve. Open the
deliming assembly valve and pour the
deliming solution into the port. Mix the
solution in accordance with the instructions
on its container. Close the deliming
assembly valve and proceed to step 10.
9. Clean the seating surfaces for the hand hole
gasket and then Install a new gasket. Position
and tighten the hand hole plate.
