Unified Brands HYPERSTEAM HY-6G(CE) - Manual (Page 25)

OM/SM-HY-6G(CE) 
OM/SM-HY-6G(CE)
25
6. Replace cover on drain box and lower vent pipe into
the drain box.
10.9 Steam Generator
P/N 094128 and 123655
1. Shut off power, water and gas supply to the steamer.
2. Turn main gas valve to the OFF position.
3. Disconnect the water inlet hose, steam hose and
drain hose by loosening the hose clamps and
working the hose off the respective fitting.
4. Disconnect the two boiler manifold gas lines from the
gas solenoid valves.
5. Disconnect “spark” lead from igniter module and
disconnect the two boiler manifold gas lines from the
manifold. Remove the gas lines from the unit.
6. Remove flame holders and/or jets if necessary.
7. Disconnect pilot line from the main gas valve.
8. Disconnect “spark” lead from igniter module and pilot
burner.
9. Remove pilot burner.
10. If identification is missing from the water level probe
electrical leads, identify and mark them at this time.
11. Disconnect the electrical lead from the water level
probe which is being removed, and carefully remove
the probe. Be careful not to damage the ceramic
material on the probe.
12. Clean the probe and the probe holder.
13. Inspect the probe and its ceramic for damage. If
damaged, replace the probe.
14. Disconnect boiler temperature probe leads from
harness.
15. Remove temperature probe. If male fitting was
removed with the probe and compression nut,
remove it from the probe.
16. With a socket wrench, remove the four 1/4-20 bolts
holding the steam generator to the steamer table.
17. The entire steam generator (with fittings attached)
may now be removed. Remove outer bolt from the
side and inner bolt from the rear.
18. Once the steam generator has been removed, the
fittings and probes may be transferred to the new
steam generator. Make sure that all screw fittings are
installed using high temperature pipe compound.
NOTE: Refer to appropriate sections for detailed
instructions on fittings and heater assembly.
19. Install new boiler in the reverse order of removal.
20. Attach the water inlet hose, drain hose and steam
hose. Tighten hoses around fittings with hose clamps
10.10 Steam Generator Probes (High and Low
Water) P/N 070178.
1. Shut off power to the steamer.
2. With a wrench LOOSEN, but do not remove the nuts
holding the wire(s) on the probe terminal(s)
3. The wires are connected to wire fork terminals.
These will "snap" on and off the terminal post. "Un-
snap" them by gently pulling on the terminal.
4. Using an open ended wrench, turn the probe
counter-clockwise to remove.
To Install:
5. Apply high temperature pipe compound to the probe
and screw it in by hand. Using an open ended
wrench, tighten the probe into the fitting.
6. Replace the wire(s) to the probes by snapping the
fork terminals around the terminal post. Using a
wrench, tighten the terminal nut.
NOTE: If two probes are to be replaced, either
replace them one at a time or note the color of the
wires attached to the probes. Do not get them mixed
up.
10.11 Main Gas Valve and Gas Pressure
Adjustment P/N 122158
1. Disconnect power to the steamer.
2. Remove the front and side panels, as described in
Section 10.2, above.
3. Turn the manual gas valve to the closed position.
Disconnect the wire to the solenoids.
4. Note the color and position of the two connectors for
assembly.Remove the aluminum tubing from the