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Manitowoc National Crane 1400A - Outrigger Controls

Manitowoc National Crane 1400A
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3-2 Published 12-21-2012 Control # 103-06
OPERATING CONTROLS & PROCEDURES 1400A OPERATOR’S MANUAL
Power Take Off
Manual Shift Control
The PTO is engaged when the knob on the dash or floor is
pulled out and disengaged when the knob is pushed in. The
truck gear shift lever must be in neutral and the clutch
depressed whenever the knob is moved.
Air Shift Control
The PTO is engaged when the switch is moved to apply air to
PTO and disengaged when switch is in off position. The truck
gear shift lever must be in neutral and clutch depressed
when switch is moved. The transmission selector lever must
be returned to “N” for stationary vehicle operation. The
power take-off may be disengaged while in any transmission
range provided that the load has first been removed from the
PTO.
Electric Shift Control
Full torque electric shift PTO’s are controlled by a switch. To
operate, disengage the clutch, shift to fourth or fifth gear, and
operate the switch down to engage the PTO or up to
disengage the PTO. Return the gear shift to neutral and
engage the clutch.
Power Shift Control
If the vehicle is equipped with automatic transmission, the
power take-off must be engaged with the engine at idle. See
transmission manufacturer’s instructions for special
procedures.
Park Brake
The truck brake must be firmly set before leaving cab to
begin operation. If the ground surface is icy or slick or is
sloped, you may be required to help immobilize the truck with
wheel chocks.
Engine Speed Governor
Some diesel engines are equipped with a variable speed
governor which overrides the engine speed governor. If
equipped, two knobs in the cab select between crane
operation and normal driving operation.
Neutral Start/Safety Switch
Truck must be equipped with neutral/start safety switch on
truck transmission. Check occasionally to ensure it is
working correctly and repair if it is not.
OUTRIGGERS
Outrigger Controls
The outrigger controls (Figure 3-1) are electrically operated
and include four outrigger selector switches, a extend/retract
switch, and an optional front stabilizer switch. A remote
engine throttle is located under the door of the crane cab for
engine speed control when operating the outriggers.
Crane Level Indicators
The crane has one primary, two secondary level indicators.
An optional secondary level indicator is available for the
crane cab. The primary level indicator is used to verify the
accuracy of the secondary level indicators.
The primary level indicator is located behind the turret
bearing (1) (Figure 3-1). The secondary level indicators are
located in the outrigger control boxes (6) (Figure 3-1).
The optional secondary level indictor is located in the crane
cab (24) (Figure 3-3) and is installed when the optional
handheld outrigger control for the crane cab is purchased.
Reference Only

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