TM-9-2815-205-34

ENGINE WITH CONTAINER; MODELS 5063-5299, 5063-5392, 5063-5393, 5063-5395, 5063-5398, 5063-539F, 5063-539L

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

AUGUST 1992

TM-9-2815-205-34 - Page 520 of 596

TM 9-2815-205-34

4-9. AIR BOX PRESSURE TEST

This task covers: Testing

INITIAL SETUP

MODELS

EXPENDABLE/DURABLE SUPPLIES

All

Mercury (App C, Item 23)

TOOLS AND SPECIAL TOOLS

EQUIPMENT CONDITION

Tool kit, general mechanics App B,ltem 107)

Para Description

Manometer (App B, Item 72

4-2 Prepare engine for start-up

Tubing, nonmetallic (App B, Item 110)

Testing

a.

b.

c.

d.

e.

Remove one tube connector (1) from

manometer (2) by rotating counterclockwise.

Turn remaining tube connector (3) clockwise

until fully engaged and then back out one full

turn.

Add mercury to manometer (2) until mercury

level (4) is opposite zero mark on scale with

manometer vertical.

Install tube connector (1) until fully engaged

and then back out one full turn.

On models 5063-5392, 5063-5393 and

5063-539L, disconnect air box drain tube (5)

from elbow (6) in cylinder block. Plug air box

drain tube routed to engine crankcase.

4-36

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