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

Page 48

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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