Weil-McLain WM97+100 Manual page 18

WM97+ Series 2
Converting boiler to propane — WM97+110
WM97+ 110 - Installing the propane gas orifice (some details omitted for clarity)
for Figure 13
Gas valve
Venturi
Bolts (2) for attaching gas valve to venturi
Blower
Air silencer bracket clip
Propane orifice with boot
Support the gas valve after disconnecting it.
DO NOT allow it to hang from the gas valve
flex line. When re-attaching the gas valve, ensure
the gas valve propane orifice is properly seated in
rubber boot (item 6, Figure 13, page 18) and is
in place and in good condition. Inspect the gas
valve flex line to ensure it is undamaged and in
good condition.
7. See Figure 13. Carefully pull the gas valve down until it is
free of the venturi. Securely support the gas valve — DO
NOT leave it dangling.
8. Remove the rubber boot from the gas valve or venturi.
9. Insert the propane gas orifice into the rubber boot. Orifice
must be seated into the inner groove inside the center of
the rubber boot.
10. Install the rubber boot (item 6) guaranteeing that it is firmly
seated on the gas valve opening.
When re-attaching the gas valve, ensure the gas
valve rubber boot (item 6, Figure 13) is in place
and in good condition.
Failure to comply will cause a gas leak, resulting
in severe personal injury or death.
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GAS FIRED WATER BOILER
11. Reposition gas valve onto the venturi and reinstall the gas
12. Swing the silencer bracket clip (item 5) back into position
13. After installation is complete, attach the propane conversion
14. Perform complete start-up sequence (beginning on page 90),
15. Reinstall jacket door.
— Boiler Manual
valve retention bolts (item 3). Make sure the rubber boot is
fully seated on both the gas valve and venturi.
and snap on to the gas line.
aged by manometer fluid contamination. Failure
to comply could result in severe personal injury,
death or substantial property damage.
label (in conversion kit bag) next to the boiler rating plate.
including check for gas leaks and checking for proper opera-
tion.
DO NOT operate the boiler with
the jacket door removed except for inspection
and testing as directed in this manual.
(cont.)
The valve could be dam-
Part number 550-142-204/0117