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holding the RAMP EMER switch in the DN
position until the desired ramp position is attained
b. RAMP EMERG control switch — DN momentarily
then back to HOLD. The ramp
downward cycle can be halted by momentarily
setting the RAMP EMER control
switch to UP.
c. Repeat step b. if necessary, until desired
ramp position is achieved, or hold the
switch in the DN position until the ramp
reaches the desired portion.
2. Close the ramp as follows:
a. RAMP PWR Switch — EMERG.
b. RAMP EMER control switch — UP until
door is closed, then back to HOLD.
6-6-32. Manual Operation — Cargo Door.
CAUTION
The ramp must be at or above floor level
during takeoffs and landings.
CAUTION
Do not attempt to manually operate the
cargo door when the utility hydraulic system
is pressurized. Motor damage can result.
Should the need arise to retract or extend the cargo door
section of the ramp manually, insert the handcrank as shown
in figure 6-6-11. Crank clockwise to retract. Crank counter
clockwise to extend.
6-6-33. Preparation of General Cargo.
Before loading cargo, it is advisable to inspect items of cargo
with regard to dimensions, weight, contact pressure, center
of gravity, and hazards. This data will be helpful in determining
the placement of the load in the helicopter and in computing
weight and balance. Refer to TM 10-450-2.
6-6-34. Cargo Dimensions.
Any item of cargo which appears to have critical dimensions
for loading into the helicopter should be measured and
checked against door and compartment dimension limitations.

　
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