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Types and Uses - Continued - 14256_115
Using a Bell Base Screw Jack

Tools And Their Uses - Hand tools and what they are used for
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TM 9-243 TYPES AND USES - Continued Illustrated  below  are  some  standard  combinations  of  the push-pull hydraulic jack attachments for various operations. 1.  Jack  pushing  combinations 2.  Jack  pulling  combinations 3.  Jack  spreading  combinations 4.  Jack  clamping  combinations SAFETY 1. Keep fingers away from all moving parts. WARNING NEVER  GET  UNDER  A  LOAD  THAT  IS ONLY  SUPPORTED  BY  A  JACK.  ANY JACK  IS  SUBJECT  TO  FAILURE  AND PERSONAL  INJURY  COULD  RESULT. 3 . 4 . 5 . 6. 2. When  jacking  up  vehicles,  make  certain  no  one  is under the vehicle to be raised. Set the hand brake firmly and block the front wheels if a rear wheel is being changed. Block the rear wheels if a front wheel is being changed. Place blocking or other supports under the vehicle when it is raised to the desired  height  to  prevent  it  from  dropping  if  the  jack fails. Make certain that hydraulic jacks are filled with oil and  that  there  are  no  visible  oil  leaks  before  using. Any new or repaired jack should be carefully inspected by the operator prior to use. Overloading can be hazardous to the jack, the operating personnel, and the load in event of jack failure. Be aware of the capabilities of the jack, especially its load capacity. 20-4







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