11
SJ12 E, SJ16 E, SJ20 E
243762ABA
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 has these parts:
▪
A rigid one piece weldment.
▪
Hydraulic system and components.
▪
Electrical system and components.
▪
Two 12 volt batteries.
▪
Emergency-lowering system at the base of the
mast.
▪
The front wheels are powered by electric
motors, steered by a hydraulic cylinder, and
have spring-applied, electronically-released
brakes.
▪
The rear wheels are non-driven.
2
Lift mechanism: The mast is raised and lowered
by a multi-stage hydraulic lift cylinder with
holding valves.
3
Platform: The platform has these parts.
▪
Tubular support frame.
▪
Slip-resistant deck surface.
▪
Fixed tubular guardrails, with mid-rails and toe
boards.
▪
Spring-returned gate with a latch.
▪
AC power outlet.
1
2
3
Primary assemblies
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