Alpha Technologies AlphaGen 5.0kW Auxiliary Power Unit - Manual (Page 56)

3. Maintenance
56
031-132-B0-001 Rev. A TM ©2000
3.14 Gas Solenoid Replacement Procedure
1. Shut off or disconnect gas service.
2. Remove Natural Gas pre-regulator or
low fuel pressure switch from gas
utility box.
3. Use 15/16” wrench to disconnect flex
hose.
4. Use crescent wrench or box-end
wrench to remove Brass nipple from
3/4” black Iron nipple.
5. Use the special Gas Package tool
to remove the 3/4” black Iron nipple
from the solenoid. Have an assistant
support the Gas Solenoid to prevent
breakage of the cast Aluminum
assembly.
6. Use a 1/2” box-end wrench to loosen
and disconnect mounting bracket u-bolt
from Gas Solenoid assembly.
7. Apply an approved compound (i.e.,
“Megalok”) to the 3/4” elbow.
8. Reinstall the elbow into the gas
solenoid, and retighten with the special
Gas Package tool. Again, provide
support for the cast Aluminum body of
the solenoid assembly. Upon
completion, verify the solenoid is level
and the elbow points straight down.
Allow 45 minutes for completion of procedure.
Assistance will be required to perform this procedure.
Tools required: Special Gas Package tool, Alpha p/n 086-134-10, (must be
purchased separately)
3/4” wrench
Crescent wrench
Pipe thread compound
Removal and replacement procedure:
End of Procedure