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
F b. SWIVEL switch Check UNLOCK and
LOCK, (check status of swivels down and
locked or down but not locked).
Anytime the ramp isolation switch is moved
from one position to another ensure NCMs
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
a. Place ramp control lever in the DOWN
position until ramp rests on the ground, then
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
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.