CRANE FAILS LOAD TEST. (Cont) -726250778

TM 9-2320-364-34-1

21. CRANE FAILS LOAD TEST (CONT).

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical circuits a

direct short may result. Damage to equipment, injury or death to personnel may result.

Do not stand under crane. Mechanical failure and operator error can cause injury or death to personnel.

VOLTAGE TEST (CONT).

(8)

Start engine (TM 9-2320-364-10).

(9)

Set WINCH/CRANE switch to

CRANE position.

(10)

Set hydraulic selector switch to

CRANE/SRW position.

(11)

Set crane main POWER switch to

ON position.

(12)

Using HOIST control lever, raise

hoist hook block completely.

(a) If 0 vdc are present, perform

Steps (14) through (20) and

replace hoist proximity sensor

(Para 6-9).

(b) If 22 to 28 vdc are present,

go to Step (13) below.

(13)

With the aid of an assistant, hold

HOIST control lever in down

position until only two even layers of

cable remains on hoist cable drum.

(a) If 22 to 28 vdc are present,

perform Steps (14) through (20)

below and replace hoist proximity

sensor (Para 6-9).

(b) If 0 vdc are present, replace

OSS box (Para 6-8).

(14)

Set crane main POWER switch to

OFF position.

(15)

Set hydraulic selector switch to OFF

position.

(16)

Turn OFF ENGINE switch.

Continued on next page.

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