9 replacing flexible gas hose, Maintenance – Alpha Technologies AlphaGen 5.0kW Auxiliary Power Unit User Manual
Page 48

3. Maintenance
48
031-132-B0-001 Rev. A
TM
©2000
Allow 5 minutes for completion of procedure
Tools required:
15/16 open-end wrench
Removal and replacement procedure:
1.
Verify fuel supply shut off.
2.
Loosen upper (1) and lower (2) hose fittings.
3.
Remove flexible fuel hose.
4.
Reverse order of steps to replace hose.
5.
Perform leak test with leak detection compound or gas detector.
NOTE:
To reduce the possibility of leakage caused by vibration-
induced abrasion, position the 45° connector (3), located at the
demand regulator, such that the flexible fuel hose does not rub
against the carburetor hose (4).
3.9
Replacing Flexible Gas Hose
CAUTION:
It is important to install the hose properly to
prevent gas leakage which could lead to
explosion. This procedure must only be
perfomed by a certified or qualified technician.
End of Procedure