CRANE FAILS LOAD TEST. (Cont) -726250763

TM 9-2320-364-34-1

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

NOTE

Hoist drum has three layers of cable on it with

hook block raised completely and boom

telescoped out completely.

OPERATION TEST

(1) Raise hoist hook block completely

using HOIST control lever

(TM 9-2320-364-10).

(a) If test unit display indicates

LAYER = OFF, go to Step 8 of

this Fault.

(b) If test unit display indicates

LAYER = ON, go to Step (2)

below.

(2) With the aid of an assistant observing

hoist drum, lower hoist hook block

using HOIST control lever.

(a) If test unit does not indicate

LAYER = OFF the instant the third

layer of cable is off the hoist drum

and only two layers remain, go to

Step 8 of this Fault.

(b) If test unit indicates LAYER = OFF

the instant the third layer of cable

is off the hoist drum and only two

layers remain, hoist proximity

sensor is OK. Go to Step 3 of this

Fault.