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SJ9233 RT, SJ9243 RT, SJ9253 RT, SJ9664 RT 221491AFA
Primary assemblies Section 1 – About this Mobile Elevating Work Platform (MEWP)
1.2 Primary assemblies
The MEWP has these primary assemblies:
1. Base
2. Lift mechanism
3. Platform.
1
Base: The base is an assembly consisting of
these components:
▪
A tray on two brackets attached to the right
side of the base. The tray contains these parts:
▪
A fuel tank with a fuel gauge on the side of
the tank
▪
A ladder
▪
A liquid propane gas (LPG) tank (optional
equipment).
▪
A tray on two brackets attached to the left side
of the base. The tray contains these parts.
▪
Hydraulic tank and sight gauge
▪
Ladder
▪
Base control console
▪
12V starter battery.
▪
Two front and two rear outriggers.
▪
Emergency-lowering system at the base
control console.
▪
Engine compartment at the front of the base.
▪
Hydraulic compartment at the rear of the base.
▪
The front axle is steerable by a hydraulic cylinder.
▪
The rear axle is hydraulic motor-driven. A drive
shaft connects the rear axle to the front axle.
The rear axle has spring-applied, hydraulically-
released brakes.
▪
A two-section hydraulic pump that gives power
to the hydraulic system is connected to the
engine.
▪
An engine control console in the engine
compartment at the front of the base.
2
Lift mechanism: The lift mechanism is a scissor-
type assembly made of formed steel or tube
sections. Single-acting hydraulic-lift cylinders
with holding valves move the scissor assembly
and the platform up and down.
3
Platform: The platform has these parts.
▪
Tubular support frame.
▪
Slip-resistant “diamond plate” deck surface.
▪
Hinged tubular guardrails, with mid-rails, and
toe boards.
▪
You can enter and exit the platform from two
sides through a spring-returned gate with a
latch.
▪
Front extension platform.
▪
Rear extension platform (optional equipment).
▪
AC power outlet.
3
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