TM 5-5420-203-14
a.
Launching - CONT
(c) Lock the vehicle brakes, place launcher in neutral, lift up on "clutch" lever as far as it
will travel to engage the power take-off. Engine RPM shall be at no more than 1000
RPM.
(d) Set the launcher engine at 1800 RPM to develop required operating fluid flow.
NOTE
Refer to paragraph 2-1, Use of Controls and Indicators, for the operation of levers.
The launcher has an open center type directional control valve, no pressure will be
in the hydraulic control system until an operating valve is opened.
(3) With the engine set at operating RPM, lift up on the overhead cylinder lever #l. The
holddown cylinder pins will retract and the tiedown chains will be released. The bridge
will begin to rise off the bridge seat.
(4) Maintain pressure on lever #l until the bridge has raised to
the upright position and rotated slightly past vertical. The
outrigger should reach the ground at this point.
(5) Release the launcher brakes
slowly while keeping pressure
on the brake pedal. Let the
launcher slowly crawl forward
until the outrigger boom pads
firmly contact the launcher.
Return lever #1 to the neutral
position.
(6) Depress the brake pedal and
move the shifting lever to "P"
to engage the parking brake.
2-58
