Test - TM-10-3930-673-20-20327

TM 10-3930-673-20-2

NOTE

To hear emergency steer pump while engine is running it may be necessary to go under vehicle during

Step (1)(e) below.

(e)

Have assistant start engine (TM 10-3930-673-10). Check that emergency steer pump stops running shortly

after engine is started.

NOTE

Leave starter control switch in RUN position during Step (1)(f) below.

(f)

Place auxiliary fuel shut-off switch in OFF position (TM 10-3930-673-10). Check that emergency steer

pump starts running after engine stops.

(g)

Place starter switch in OFF position (TM 10-3930-673-10).

(h)

Place auxiliary fuel shut-off switch in ON position (TM 10-3930-673-10).

(2)

Perform voltage tests on hydraulic bypass switch (1).

NOTE

Leave electrical wires 10 and 91 connected to hydraulic bypass switch during Steps (2)(a) through

(2)(h) below.

(a)

Attach positive lead of multimeter to terminal NC (2) of hydraulic bypass switch (1).

(b)

Attach negative lead of multimeter to suitable ground.

(c)

Place starter switch in RUN position, but do not start engine TM 10-3930-673-10.

(d)

Multimeter should indicate approximately 24 volts.

(e)

Start engine (TM 10-3930-673-10).

(f)

Multimeter should indicate approximately 0 volts.

(g)

Stop engine (TM 10-3930-673-10).

(h)

Remove multimeter leads.

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