SKYJACK, Page 7
April 2006
Section 1 - About Your Aerial Platform
SJ800 - E Series
Battery Powered
1
1. About Your Aerial Platform
This section provides general information about your
aerial platform. It describes the major components,
standard and optional features, safety reminders and
precautions.
1.1 Major Assemblies
The aerial platform consists of three major assemblies:
the platform, the lifting mechanism and the base. An
operator’s control box is mounted on one of the platform
guardrails. Auxiliary and emergency controls are located
at the base.
1.2 Platform
The platform is constructed of a tubular support frame, a
skid-resistant “diamond plate” deck surface and 43-1/2"
(1100mm) hinged guardrails with 6" (152mm) 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.
1.3 Operator’s Control Box
A removable control box, mounted at the front right of the
platform, contains controls for aerial platform motion and
emergency stopping.
1.4 Manual Storage Box
This weather-resistant box is mounted inside the door of
the hydraulic cabinet located at the base. It contains
the Operating Manual, the Operating/
Maintenance and Parts Manual and
other important documentation. The
Operating Manual for this make and
model of aerial platform MUST remain
with the aerial platform and should be
stored in this box.
1.5 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.
1.6 Maintenance Support
A maintenance support is located inside the lifting
mechanism. When properly positioned, it can support the
scissor assembly and empty platform. The maintenance
support MUST be used during inspection and maintenance
or when repairs are being performed within the lifting
mechanism.
1.7 Base
The base is a rigid, one-piece weldment which supports
two component side cabinets.
• 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.
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