Vulcan VSX3E User Manual Page 11

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VSX SERIES STEAMER - REMOVAL AND REPLACEMENT OF PARTS
Page 11 of 40
GAS PRESSURE REGULATOR
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.
WARNING:
SHUT OFF THE GAS SUPPLY
BEFORE SERVICING THE UNIT.
WARNING:
ALL GAS JOINTS DISTURBED
DURING SERVICING MUST BE CHECKED FOR
LEAKS. CHECK USING A SOAP AND WATER
SOLUTION (BUBBLES). DO NOT USE AN OPEN
FLAME.
A. BEFORE LIGHTING UNIT, CHECK ALL
JOINTS PRIOR TO THE GAS VALVE
(SOLENOID).
B. CHECK ALL JOINTS BEYOND GAS
VALVE (SOLENOID) AFTER THE UNIT
HAS LIT.
1. Remove the right side panel as outlined under
"COVERS AND PANELS".
2. Remove the gas solenoid valve as outline under
GAS SOLENOID VALVE.
3. Remove the gas pressure regulator from the
pipe nipple below it.
4. Reverse the procedure to install.
5. Adjust the gas regulator pressure as outlined
under MANIFOLD PRESSURE
ADJUSTMENT.
6. Check unit for proper operation.
FLAME SENSE PROBE (GAS)
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.
WARNING:
SHUT OFF THE GAS SUPPLY
BEFORE SERVICING THE UNIT.
1. Cut the wire ties around wire bundle and trace
the Flame Sense Probe (FSP) wire to an in-line
splice (butt connector) and cut the wire close to
the connector.
2. Remove the screw holding the flame sense
probe onto the mounting bracket and lift out.
3. Reverse the procedure to install a new probe
then check FSP for proper operation as outlined
under FLAME SENSE PROBE.
NOTE:
The opposite end of the in-line splice will
have to be cut close to the connector and the wire
insulation stripped back approximately 0.250 inch to
install a new connector.
WATER LEVEL CONTROL
BOARD
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. Remove the right side panel as outlined under
"COVERS AND PANELS".
2. Disconnect the lead wires from the water level
control board (WLC).
3. Remove mounting screws.
4. Move board to the left and rotate outwards when
removing, to clear wire bundle.
5. Reverse the procedure to install, then check unit
for proper operation.
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