TM 1-1520-240-MTF
4-49
c. RAMP CONTROL VALUE handle returns to
the STOP position.
32. RAMP EMER switch on overhead panel DN
momentarily,
then
immediately
to
UP
momentarily, then release to HOLD. Check for
the following:
a. RAMP CONTROL VALVE handle moves to
DN, then UP, then STOP.
b. Ramp moves downward momentarily, then
stops in less than 5 seconds..
33. RAMP EMER switch on overhead panel DN
and hold until ramp is fully open (resting on
ground), then release to HOLD. Check that ramp
remains fully open.
34. RAMP EMER switch on overhead panel UP
and hold until ramp is in level position, then
release to HOLD. Check ramp remains in level
position.
35. RAMP EMER switch on overhead panel - UP
and hold until ramp and cargo door are fully
closed, then release to HOLD. Check that ramp
and cargo door close in proper sequence,
remain fully closed.
36. Place the RAMP EMER switch guard in the
closed (cover down) position.
37. RAMP PWR switch on overhead panel OFF.
38. Remover hydraulic and electrical power.
39. UTILITY RESERVOIR DEPRESSURIZE valve
OPEN.
40. Press depressurization valve on apu start
module.
Check
that
utility
system
depressurizes.
41. UTILITY
RESERVOIR
DEPRESSURRIZE
valve NORMAL.