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VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTS
WATER LEVEL CONTROLS -
LOW LEVEL CUT OFF AND
DIFFERENTIAL
WARNING: DISCONNECT THE ELECTRICAL
POWER TO THE MACHINE AT THE MAIN
CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT
BOX INDICATING THE CIRCUIT IS BEING
SERVICED.
Solid State
1.
Open the cabinet base doors.
2.
Remove the two screws at the top of the boiler
control box and allow cover to drop down.
3.
Water level control is mounted on the back
side of cover.
4.
Disconnect lead wires from the board and
remove the water level control.
5.
Reverse procedure to install and check for
proper operation.
Electro Mechanical
1.
Open the cabinet base doors.
2.
Remove the two screws from the left and right
side of the water level control box and lift cover
off.
3.
Disconnect lead wires from the control being
replaced and remove.
4.
Reverse procedure to install and check for
proper operation.
WATER LEVEL GAUGE
ASSEMBLY
WARNING: DISCONNECT THE ELECTRICAL
POWER TO THE MACHINE AT THE MAIN
CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT
BOX INDICATING THE CIRCUIT IS BEING
SERVICED.
1.
Open the cabinet base doors and remove the
right side panel.
2.
Close the valve at the top and at the bottom of
the gauge assembly.
3.
Unscrew the packing nuts at the top and bottom
of the glass tube.
4.
Slide the glass tube upwards until the bottom of
the tube is clear of the fitting and lift it out.
5.
When reinstalling the tube use new sealing
washers. Do not over tighten the packing nuts;
it could break the gauge glass.
6.
Open the top and bottom valves and check for
proper operation.
CYCLING AND HIGH LIMIT
PRESSURE SWITCHES
(GAS AND ELECTRIC MODELS)
WARNING: DISCONNECT THE ELECTRICAL
POWER TO THE MACHINE AT THE MAIN
CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT
BOX INDICATING THE CIRCUIT IS BEING
SERVICED.
1.
Open the cabinet base doors and remove the
left side panel.
2.
Remove the two screws at the top of the boiler
control box and allow cover to drop down.
3.
The pressure switches are located at the rear of
the box. The pressure switch on the right is the
cycling or primary control; the one on the left is
the high limit control. They are identical
switches, differing only in their settings.
4.
Remove the cover from the pressure switch
being replaced and disconnect the lead wires.
5.
Disconnect the pressure fittings at the bottom
of the switch.
6.
Remove the mounting screws on the back side
of the control box and lift out the pressure
switch.
7.
Preset the new pressure switch to the
approximate cut-out (off) and cut-in (on) set
points before installing. See the boiler pressure
chart under "CYCLING AND HIGH LIMIT
PRESSURE SWITCHES (GAS AND
ELECTRIC MODELS)" in "SERVICE
PROCEDURES AND ADJUSTMENTS".
8.
Reverse procedure to install.
9.
Adjust the pressure switch(s) final set points as
outlined under "CYCLING AND HIGH LIMIT
PRESSURE SWITCHES (GAS AND
ELECTRIC MODELS)" in "SERVICE
PROCEDURES AND ADJUSTMENTS" and
check for proper operation.
Page 17 of 88
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