Controls & Indicators - Snorkel A38E Service Manual

Section
3.2
3.2 Controls and Indicators
The controls and indicators for operation of the A38E
Work Platform are shown in Figures 3-1 & 3-2. The
name and function of each control and indicator are
listed in Tables 3-1. The index numbers in the figure
correspond to the index numbers in the table. The
operator should know the location of each
control and indicator and have a thorough
knowledge of the function and operation of each
before attempting to operate the unit.
Platform Controller*
INDEX NO. NAME
1 Emergency Stop
2 Platform Level
3 Upper Boom
4
5 Drive
6 Horn
7 Slew (Rotate)
8
Warning Lamp
9 Telescope
10 Joystick
11 Warning Lamp
Chassis Control
INDEX NO. NAME
1
Emergency Stop
2 Upper Boom
3 Lower Boom
Slew (Rotate)
4
5 Telescope
6 Key Switch
7 Rocker Switch
8 Display
Note:
Yellow and Blue direction arrows are included on the Control Panel to show the operator which way each
function will move when the joystick is moved in a particular direction.
3-4
Operation
Table 3-1: Controls and Indicators
FUNCTION
Cuts all Platform control functions when pushed, twist to release.
Operate switch and hold while using joystick to level the platform.
Note: Platform Cylinders will keep the platform level during normal operation, if the
Platform goes out of level over time this function will return the platform to level.
Operate switch to engage Upper Boom lift functions (Up & Down)
Operate switch to engage Lower Boom lift functions (Up & Down)
Operate switch to engage Drive functions (Forward & Reverse)
Operate switch and hold to sound the horn.
Operate switch to engage Slew functions (Clockwise & Counter Clockwise)
Low battery warning lamp. Machine must be charged.
Operate switch to engage Telescope functions (Extend & Retract)
Depress deadman switch and select joystick forward or reverse to enable a selected
function.
Overload warning lamp
FUNCTION
Cuts all machine functions
Operate switch and hold to engage and enable Upper Boom lift functions (up & down)
Operate switch and hold to engage and enable Lower Boom lift functions (up & down)
Operate switch and hold to engage and enable Slew functions (clockwise & counter
Clockwise.
Operate switch and hold to engage and enable Telescope functions (extend & retract)
Turns the machine OFF/ON and selects Platform or Chassis controls
Use with "enable" switches to activate the selected function
In normal operation displays battery life and hour run. Can also be used to display
diagnostics.
A38E Work Platform