class 3, and overwrap with barrier material conforming to
2-5. Reinstallation after Movement
Specification MILB-121, grade A. Secure wrap in place
Prepare the crane for operation after movement in
with PPP-T-60 tape. Secure hydraulic controls in a
(7) Check oil filler cap, fuel tank cap and radiator
cap to be sure they are securely in place.
Section III. CONTROLS AND INSTRUMENTS
choke is used to enrich airfuel mixture. The normal
operating position for the control is pushed in toward the
This section describes, locates, illustrates, and furnishes
front hood support as far as it will go. To enrich mixture
the operator, crew, or organizational maintenance
when starting a cold engine, pull control out. Push
personnel with sufficient information about the various
control in as engine warms up.
controls and instruments for orientation in the operation
j. Parking Brake Hand Lever. The parking brake (fig.
of the Pettibone Model 10FM Warehouse Crane.
to the right front
of the driver's seat
2-7. Controls and Instruments
floor plate. Pull up on lever to apply brake and hold
crane in a stationary position. To release brake, push
located to the left of the steering wheel, below instrument
panel. Push lever forward to swing boom to the right,
k. Shifting Lever. The shifting lever (fig. 2-1) is
pull lever backward to swing boom to the left.
located to the right of driver's seat. This lever controls
b. Lift Cylinder Lever. The lift cylinder lever (fig. 2-1)
forward and reverse movement of the crane. Low and
is located to the left of the steering wheel next to the
high speed ranges are provided by movement of' the
slewing lever, below instrument panel. Push lever
lever through the shift lever gate per the diagram on the
forward to lower boom, pull backward to raise boom.
c. Winch Cable Lever. The winch cable lever (fig.
I. Light Switch. The light switch (fig. 2-1) is located
to the right
of the steering wheel below
on top right side of instrument panel. This controls both
instrument panel. Push lever for- ward to let cable down.
head lights and tail lights. To turn the lights on, pull
Pull lever backward to raise cable up.
switch out from instrument panel. To turn lights off, push
d. Boom Extension Lever. The boom extension lever
switch in toward instrument panel.
to the right side
of the steering wheel
m. Spot Light Switches. Two spot light switches, (fig.
next to the winch lever. Push forward to extend boom,
2-1) are provided
on the top right side
of the instrument
pull lever back to retract boom.
panel. The push-pull type switches independently control
e. Horn Button. The horn button (fig. 2-1) is located
the right and left spot lights respectively. Pull switch out
in the center of the steering wheel. Depress button to
to turn lights on, push in to turn lights off.
n. Panel Light. The panel light (fig. 2-1) located over
the center of the instrument duster has a self contained
controls direction of travel of crane. Turn clockwise to
switch. To turn light on, move lever down and to the left
move crane in right direction. Turn counterclockwise to
To turn light off, move lever to the right.
move crane in a left direction.
o. Ignition Switch. The ignition switch s located on
g. Service Brake Pedal. The service brake pedal (fig.
bottom right side of panel. The ignition switch is a three-
to the right
of the steering column
position switch, "OFF-ON-START" which activates the
suspended above the floor plate. Re- lease pedal before
electrical system and provides the momentary starting
putting crane in motion.
circuit. Place shifting lever in neutral position. Turn the
h. Accelerator Pedal. The accelerator pedal (fig. 2-1)
switch clockwise to "ON" position and then to "START"
is located to the right of the service brake pedal. It is
position and hold until engine starts.
used to increase or decrease engine speed. Depress
pedal to increase engine speed and release the pressure
on pedal to decrease engine speed.
i. Choke. The choke (fig. 2-1) is located on bottom
left side of panel, to the right of lift cylinder plate. The