Groen HY-12GF(CE), Operator Manual & Service Manual

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12 OM/SM-HY-12GF(CE) & HY-24GF(CE)
9. Using a pipe wrench or Channel Lock attach the
union and tighten.
10. Attach all aluminum tubing and tighten with an
open-ended wrench.
11. Plug in the two connectors to the main gas valve:
2.1.6 Gas Solenoid Valve
P/N 122120
The gas solenoid valves must be removed as an
assembly along with the regulators, using the following
procedures:
1. Turn off the gas supply and power to the
steamer.
2. Disconnect wires from the main gas (Step 4,
Paragraph 2.1.5) and from the gas solenoid
valves.
3. From the front of the steamer, using a Channel
Lock wrench, loosen and disconnect the pipe
union which connects the assembly to the main
gas valve.
4. From the left side (or back) of the steamer, use
an open-ended wrench to loosen and disconnect
the compression fittings which connect the 9.5
mm aluminum tubing, from the inner and outer
manifolds.
5. From the left side (or back) of the steamer, use
an open ended wrench to loosen and disconnect
the compression fittings which connect the 9.5
mm aluminum tubing, from the inner and outer
manifolds.
6. The entire assembly of both regulators and the
gas solenoid valves for the upper and lower
steam generators may be removed as an
integrated unit.
7. Remove the failed gas solenoid valve.
To Reinstall:
8. Clean pipe threads and apply compound to all
joints being connected.
9. Install the new gas solenoid valve.
10. Slide the assembly into the steamer and align
the tee fitting with the pipe union. Align the gas
valves with their respective aluminum tubing.
11. Connect the pipe union using a Channel Lock
wrench.
12. Using an open-ended wrench, connect the 9.5
mm aluminum tubing to the inner and lower
steam generator manifold.
13. Using an open-ended wrench, connect the 12.7
mm aluminum tubing from the inner and outer
steam generator manifolds.
14. Reconnect the wires to the correct valve.
2.1.7 Igniter Module
P/N 154059
1. Shut off power and gas to the steamer.
2. Remove the cover to the electrical compartment.