WATERPROOF TESTING OF THE GENERATOR

TM 9- 2920- 224- 34&P

WATERPROOF TESTING OF THE GENERATOR

0012 00

THIS WORK PACKAGE COVERS:

Testing

INITIAL SETUP:

Tools and Special Tools

Materials/ Parts

Air compressor 6 in. Hg (2.95 psi)

Soap (item 14, WP 0016 00) and water solution

Air test setup:

Goggles (item 7, WP 0016 00)

Air pressure gage 0--10 in. Hg (0--4.91 psi)

Rubber gloves (item 8, WP 0016 00)

Tee

Sealant (item 13, WP 0016 00)

Shutoff valve

Equipment Conditions

Air--tight closures. Inlet closures should fit without

Generator completely assembled, tested, and sealed

adding volume. Outlet closure can provide additional

volume of one cubic foot.

Water dip tank

Testing

1. Generator Pressure Test Setup.

a. Install air--tight inlet closure (1) on intake end of tube axial fan or open end of air intake on generator housing.

b. Install air--tight outlet closure (2) on drive end of generator. Closure must be positioned far enough onto stator

housing (3) to cover air discharge openings in housing.

Connect air pressure gage (4) to outlet closure (2) with tee (5) and install shutoff valve (6) on tee.

d. Connect air supply to shutoff valve (6).

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