Snorkel A38E-sn004500+ - Manual (Page 25)

Operation Section
3-7 A38E Work Platform
3.4 Operation
NOTE: Before operating the A38E Work Platform
it is imperative that the Pre-Operation Inspection
(Section 3.3) has been completed and any
deficiencies have been corrected. The operator
must also understand the functions of all the
controls before operating the machine.
ELEVATING & LOWERING THE A38E
WORK PLATFORM
Before beginning any operation involving the Elevating
Assembly the following checks should be carried out.
When the A38E has been thoroughly inspected the
elevating assembly can then be used.
LOOK up and around for obstructions before
performing the lift function.
ENSURE that the Elevating Assembly is
clear of the Chassis before engaging the
Slew operation.
DO NOT overload the platform
DO NOT operate within 3 metres (10 feet) of
any electrical power cables. THIS WORK
PLATFORM IS NOT INSULATED.
Cordon off the area within the platform’s
working area to keep passers-by clear of
the booms.
NOTE: Chassis controls are for service use only.
1. Enter Platform through the entrance at the side
of the A38E and ensure that the drop bar is in
the lowered position. Lock the Entry Step in the
raised position.
2. Before using the machine all local Safety
Regulations involving helmets and restraining
devices should be observed. Safety harness
lanyards, not exceeding 1 m (3 ft.) in length,
should be attached to anchor points in cage
floor.
3. Ensure the ‘CONTROL SELECTION KEYSWITCH’
is selected to ‘UPPER CONTROL’ and both
emergency stop buttons are released (twisted clock-
wise).
4. Select “LOWER BOOM” on function selector
switch.Check for overhead obstructions and when
when satisfied squeeze the red Interlock
3.4
WARNING
the Joystick. Slowly move the Joystick forward
to ELEVATE the lower boom. The further the
joystick is moved, the faster the boom will move.
Pressure must be applied to the Interlock at
all times while operation is required.
5. Select “UPPER BOOM”, “TELESCOPE” or
“ROTATE” as required using the ‘Function
Selector Buttons’ and operate as described
above. For boom functions the controls will
again be forward for UP and backward for
DOWN.
6. To rotate (SLEW) RIGHT the Controller
Joystick should be moved forward. Conversely
to rotate (SLEW) LEFT move the Controller
Joystick backward.
7. To ”TELESCOPE” IN the Controller Joystick
should be moved forward. Conversely to
”TELESCOPE” OUT move the Controller
Joystick backward.
8. Before lowering, check beneath the cage floor
for obstructions, operate as described above,
moving the Joystick back to lower the Booms.
TRAVEL WITH WORK PLATFORM
LOWERED
1. Verify that the chassis Emergency Stop Button
is in the ‘ON’ position (turn clockwise).
2. Climb into the Platform and check that the
Platform Emergency Stop Button is in the ‘ON’
position, that the Keyswitch is turned to the
‘UPPER CONTROL’ position and that the Drive
function button is depressed. Ensure that the
drop bar is in the lowered position.
3. Check that the route is clear of persons,
obstructions, pot holes or ledges and is capable
of supporting the wheel loads. Also, check that
the clearances above, below and to the side of
the Work Platform are sufficient.
4. Grasp the Joystick so that the Interlock Switch
is depressed (releasing this Interlock Switch will
cut power to the Joystick). Slowly push or pull
the Joystick to FORWARD or REVERSE to
travel in the desired direction. The farther you
push or pull the Joystick from the centre the
faster the machine will travel.
control on.