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VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTS
Pa
g
e 22 of 88
SERVICE PROCEDURES AND ADJUSTMENTS
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.
BOILER
Inspection
It is recommended the boiler be inspected for
excessive scale and lime build up on a quarterly
basis. In hard water areas or for steamers heavily
used, a more frequent interval should be used. This
inspection consists of an internal examination and
cleanin
g
of the boiler, an examination of the two
han
g
in
g
descalers, and for lime build up on the
water level probes. Also, a check of all boiler
controls, includin
g
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
g
asket (top front)
from the boiler by removin
g
the nut and clamp,
then tappin
g
the cover li
g
htly to free it while
holdin
g
the cover stud. This prevents the cover
from droppin
g
into boiler.
3. Remove old descaler retainin
g
sprin
g
s if
present.
4. With a wire brush, or equivalent, dislod
g
e and
remove all loose scale from boiler shell. The
loose material must be either scooped from the
boiler or flushed throu
g
h the drain.
5. Check probe canister and float valve assembly
(re
g
enerated models) for a scale build up and
clean as necessary.
6. Check drain hole for obstructions.
7. Inspect the condition of the descalers as
outlined in this section and replace if
necessary.
8. Mix the delimin
g
solution accordin
g
to the
instructions for the chemical bein
g
used.
NOTE: Boiler water capacities vary between seven
to nine
g
allons for both
g
as and electric models
dependin
g
on the boiler size and BTU/KW ratin
g
.
NOTE: If delimin
g
solution accidently comes in
contact with steamer components, li
g
htly rinse off
with clean water.
A. Models with Blowdown Timer
- Pour
delimin
g
solution into boiler shell. Proceed
to step 9.
B. Models without Blowdown Timer
- Turn off
the incomin
g
water supply. Turn the power
switch ON to close the drain valve. Pour
delimin
g
solution into boiler shell. Proceed
to step 9.
C. Models with Delimin
g
Port Assembly -
Before pourin
g
delimin
g
solution into
boiler, clean the seatin
g
surfaces for the
hand hole
g
asket and then install a new
g
asket. Position the hand hole plate and
ti
g
hten down. Turn off the incomin
g
water
supply. Turn the power switch ON to close
the drain valve. Open the delimin
g
assembly valve and pour the delimin
g
solution into the port. Close the delimin
g
assembly valve and proceed to step 10.
9. Clean the seatin
g
surfaces for the hand hole
g
asket and then Install a new
g
asket. Position
and ti
g
hten the hand hole plate.