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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 a rigid, one-piece weldment
consisting of these components:
▪
Hydraulic system and components.
▪
Electrical system and components.
▪
Four 6-volt batteries.
▪
Emergency-lowering system at the base
control console.
▪
The front wheels are powered by hydraulic
motors and steered by a hydraulic cylinder.
▪
The rear wheels are non-driven and have
spring-applied, hydraulically-released brakes.
2
Lift mechanism: The lift mechanism is made
of steel. The mast assembly is raised and
lowered by a series of chains and a single-acting
hydraulic-lift cylinder with holding valves.
3
Platform: The platform has these parts.
▪
Tubular support frame.
▪
Slip-resistant “diamond plate” deck surface.
▪
Fixed tubular guardrails, with mid-rails, and toe
boards.
▪
You can enter and exit the platform from the
front of the MEWP through a spring-returned
gate with a latch.
▪
AC power outlet.
1
2
3
Figure 01 Primary assemblies
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