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Table 2-2   Cockpit PRESS TO TEST Caution Lights
30.   FIRE PULL handle

TM-1-1520-240-MTF Army Model CH-47D Heilcopter (EIC:RCD) Manual
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TM 1-1520-240-MTF 2-41 STARTING ENGINES (CONT.) B* 23.   Parking Brakes/Swivel Locks. a.   Wheel   parking   brakes   —   Reset.   Check PARK BRAKE ON,   712   caution light and Master  Caution,   714A    Advisory  light  — On. F b.   SWIVEL  switch  —  Check  UNLOCK  and LOCK, (check status of swivels down and locked or down but not locked). WARNING Anytime the ramp isolation switch is moved from  one  position  to  another  ensure  NCM’s hand is clear of the ramp control handle. 24.  Ramp   Isolation   —   Check   as   follows:   (Not required if completed during power on checks. Check   emergency   control   as   required,   see section IV). a.   Place   ramp   control   lever   in   the   DOWN position until ramp rests on the ground, then STOP. b.   RAMP isolation switch — OFF. c.   RAMP control lever — UP. Check that ramp does not move, then STOP. d.   RAMP isolation switch — ON. e.   Adjust ramp as necessary. B 25.   Cruise Guide Indicator — Test FWD and AFT. Check   pointer   in   white   test   band   within   8 seconds. B* 26.   Altimeters   —   Set   local   barometric   pressure (tower setting) and compare with field elevation. If more than a 50 foot error is noted, corrective action should be initiated. Unreliable for flight if more than a 70 foot error exists.







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