DC Electric Full-size RTs
December 2007 Page 15
Section 2 - Operation
2.3 Major Assemblies
The aerial platform consists of three major assemblies:
base, lifting mechanism and platform.
2.3-1 Base
The base is a rigid, one-piece weldment which supports
two side compartments.
One cabinet contains the hydraulic components, •
up/down controls and electrical components.
The other cabinet contains the hydraulic tank and •
the battery chargers.
The front axle has two wheels, steerable by a •
hydraulic cylinder and is non-driven or drive shaft/
gear box driven (4WD option).
The rear axle is drive shaft/gear box driven and •
has a spring-applied hydraulically-released disc
parking brake.
The drive system is designed to automatically •
adjust to rough terrain or steep inclines.
A slide-out drawer at the front of the base, supports •
a battery compartment which provides power to
the electrical system.
2.3-2 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
single-section pump, driven by an electric traction
motor through a gear box, provides hydraulic power to
the lift cylinders.
2.3-3 Platform
The platform is constructed of a tubular support frame,
a skid-resistant “diamond plate” deck surface and
43-1/2” (1100 mm) hinged guardrails with 6” (152 mm)
toe boards and mid-rails. The platform can be entered
from either side through a spring-returned gate. All
models can be equipped with a front or both front and
rear extension platform.
2.4 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•
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