14 45 00-4
pulsation, jerks, or unsteady lifting. Lifting shall be smooth. The
hydraulic power unit shall be an electrically-powered pump, flow control
valves, and a fluid reservoir.
b.
Lifting carriage shall ride on durable, oil filled nylon guide rollers. Guide
rollers shall require no lubrication and no maintenance.
c.
Each hydraulic cylinder shall be equipped with a hose burst check
valve to prevent decent in the event of a major fluid leak.
8.
Controls:
a.
The various functions of the mobile lifting system shall be initiated from
the control panels on the columns.
b.
Each control box shall include:
1)
"UP" button.
2)
"Down" button.
3)
“Lock release” button.
4) “Confirm” button
5) Mushroom style emergency stop button
6) A high definition 7 inch LCD screen touch. The touch screen
shall be specifically designed for a harsh workshop environment.
The touch screen shall be capable of providing the following
functions:
i.
Column selection indicator: This area of the touch
screen display shall inform the operator of which columns in the
set have been selected for operation.
ii.
Battery charge indicator: This area of the touch
screen display shall inform the operator of the charge condition of
the battery power supply.
iii.
Column height indicator: This area of the touch
screen display shall inform the operator of the height of the
individual column. The operator shall have the ability to easily
toggle between individual imperial or metric units of height
measurement (inches or mm.). The column height indicator shall
also provide on the touch screen a clear indicator if the column has
been set to stop at a restricted lifting height. This indicator shall
be displayed as a thick horizontal line in the height display region
of the touch screen. As the column rises, the screen will mimic
the column and display the lifting fork rising up towards the
horizontal restricted height indicator bar. Once the lifting fork
shown on the display arrives at the restricted height indicator bar,
the column shall stop rising.
iv.
Column speed indicator: This area of the touch
screen shall inform the operator of the speed of the lifting system.
The speed indicator shall have the ability to adjust the lowering to
30% of full lowering speed.
v.
Column fault code indicator: When a fault code has
been registered by the control system, the touch screen shall
inform the operator of any fault codes affecting the lifting set. The
control system shall have the ability to display 42 individual fault
codes.
vi.
One-touch access to the
Guide screen:
This area
of the touch screen provides to the operator access to the
Guide
screen
. The
Guide screen
shall provide to all system users:
i. Calculator
vii. One-touch access to the
Information screen:
This
area of the touch screen provides to the operator access to:
i. Owner information
ii. Service provider information
