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EMERGENCY AERIAL PROCEDURES - TM-5-4210-233-14P-1_88
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TM-5-4210-233-14P-1 Twin Agent 4x4 Firefighting Truck Model No. CM-KFT-B Manual
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Rotating Ladder Turntable - TM-5-4210-233-14P-1_90
TM 5-4210-233-14&P-1 2-15.  EMERGENCY AERIAL PROCEDURES - Continued b. Using Emergency Hydraulic Pump. (1)   Move SYSTEM LOCK lever to RUN position. CAUTION To avoid damaging emergency hydraulic pump, actuate desired function before turning emergency hydraulic pump on. Do   not   operate   emergency   hydraulic   pump   for   more   than   5 minutes  at  a  time.    Allow  motor  to  cool  for  1  minute  before reactivating emergency hydraulic pump. (2)   Engage desired hydraulic control lever. (3)   Push HYDRAULIC EMERG.  POWER switch and hold (a maximum of five minutes) until hydraulic function is completed. (4)   Release HYDRAULIC EMERG.  POWER switch. NOTE If   the   main   hydraulic   pump   and   emergency   hydraulic   pump malfunction,  provisions  have  been  made  to  allow  for  manually lowering  ladder  and  retracting  outriggers.    See  para  (b  thru  e) below. The manual operation of the hydraulic functions is intended only to permit transportation of the aerial ladder to repair facilities. b. Retracting Ladder Sections. (1)   On  the  aluminum  valve  block  located  on  top  end  of the lower two extension cylinders, loosen the 3/4 inch lock-nut and remove protection cap.  Turn allen screw out WARNING To prevent possible injury, be certain all personnel   are   clear   of   ladder   before retracting ladder. (2)   Move  EXTEND/RETRACT  hydraulic  control  lever  to RETRACT position.  Ladder will retract. (3)  Unless the ladder is elevated to a high angle, a rope will have to be used to provide full retraction of ladder sections. 2-61

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