Rough Terrain Electric Scissors
December 2007 Page 37
Section 3 - Operation Major Assemblies
3.3 Major Assemblies
The aerial platform consists of three major assemblies:
base, lifting mechanism and platform.
3.3-1 Base
The base is a rigid, one-piece weldment which supports
two side compartments.
• One compartment contains the battery, base
control console and electrical components. The
other compartment contains the emergency
lowering system, brake release and hydraulic
components.
• The four wheels are hydraulically-motor driven with
two front wheels steerable by a hydraulic cylinder.
• The rear wheel motors have spring-applied
hydraulically released disc brakes.
3.3-2 Lifting Mechanism
The lifting mechanism is constructed of formed steel or
tube sections making up a scissor-type assembly. The
scissor assembly is raised and lowered by single-acting
hydraulic lift cylinders with holding valves. A two-section
pump provides hydraulic power to the lift cylinders.
3.3-3 Platform
The platform is constructed of a tubular support frame,
a skid-resistant “diamond plate” deck surface and
990 mm hinged guardrails with 152 mm toe boards and
mid-rails. The platform can be entered from the rear
through a spring returned gate with latch. The platform
is also equipped with a manual extension platform. AC
outlet is also located on the platform.
3.4 Serial Number Nameplate
The serial number nameplate, located at the rear of the
aerial platform, lists the following:
• Model number
• Serial number
• Aerial platform weight
• Maximum drivable height
• Maximum capacities
• Maximum number of persons permissible on
the platform
• Voltage
• System pressure
• Lift pressure
• Maximum platform height
• Maximum wheel load
• Date manufactured
• Maximum wind speed
• Maximum manual force
• Maximum incline
• Gradeability
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