TB-9-2320-279-34

TECHNICAL BULLETIN; TEST PROCEDURES

DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE LEVELS LOAD TESTING HEAVY EXPANDED MOBILITY TACTICAL TRUCK (HEMTT) VEHICLE CRANES

  TB-9-2320-279-34 - Page 19 of 29

TB9-2320-279-34
WARNING
Rotate crane either left or right, but never over crane operator. Injury or
death to personnel and/or damage to equipment may occur if crane fails
during rotational maneuver.
CAUTION
Do not contact vehicle with test bad. Damage to vehicle may result.
NOTE
Two soldiers are required to do step g.; one to operate crane and one to
signal crane operator to ensure that bad does not hit side of vehicle.
g. Upon successful completion of steps a. through f, rotate the crane boom left, then right, stopping
short of the load contacting the vehicle. Return the crane boom to initial test position. (See Figures 2-5 or
2-6) .
h. Raise boom to maximum elevation. Raise and lower test bad with crane winch. Return boom to
position parallel to ground. Retract and extend the boom. Do not exceed the rated load radius. (See
Table 2-7). All crane movements should be smooth (without jerking). If not, determine the cause, repair,
and retest.
i. End of test lower and disconnect bad. Return crane to stowage position and shutdown. (Refer to
TM 9-2320-279-10 or TM 9-2320-354-10) .
2-6. LOAD TEST PROCEDURE FOR THE HIAB 8108 & 8108-2 Cranes.
a. Park vehicle on a hard level surface.
b. Inspect crane in accordance with Appendix A of TB 43-0142. Equipment having defects should be
repaired in accordance with the appropriate technical manual.
NOT E
Always use main control panel during the HIAB 8108 & 8108-2 Crane
Load Test. Use of the remote controls may lead to a false overload in-
dication .
c. Deploy outriggers. Exercise all crane functions without bad, to their full extent, for a period of 15
minutes. (Refer to TM 9-2320-355-10 and TM 9-2320-279-10) .
2-1 4


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