Skyjack SJIII 4740, Operating Manual

Page: 45 / 94

Section 3 - Operation Start Operation
3.8 Start Operation
Carefully read and completely understand the operating
manual and all warnings and instruction labels (refer to
Section 5 - Labels ) on the MEWP.
WARNING
Do not operate this MEWP without proper
authorization and training. Failure to
avoid this hazard could result in death
or serious injury.
Before operating this MEWP, perform the following
steps:
1. Visual and daily maintenance inspections (see
Section 2.3 )
2. Function tests (see Section 2.4 )
3. Job site inspection
It is the responsibility of the operator to perform
a job site inspection and avoid the following
hazardous situations:
• holes or drop-offs
• ditches or soft fills
• floor obstructions, bumps or debris
• overhead obstructions
• electrical cords, hoses and high voltage
conductors
• hazardous locations (see NFPA 505)
• inadequate surface support to withstand all
load forces imposed by the MEWP
• wind and weather conditions
• the presence of unauthorized personnel
• other possible unsafe conditions
WARNING
An operator should not use any MEWP that:
• does not appear to be working properly.
• has been damaged or appears to have worn
or missing parts.
• has alterations or modifications not
approved by the manufacturer.
• has safety devices which have been altered
or disabled.
Failure to avoid these hazards could
result in death or serious injury.
3.8-1 To Activate Base Control Console
WARNING
Ensure that you maintain three points of
contact when using the ladder to mount/
dismount platform.
1. Use the ladder of MEWP to access platform.
2. Close the gate.
3. On platform control console, pull out “ ”
emergency stop button.
4. Use the ladder to dismount from platform.
5. Turn main power disconnect switch to “ ”on
position.
6. On base control console, pull out “ ” emergency
stop button.
3.8-2 To Raise or Lower Platform Using Base
Control Console
WARNING
Be aware of overhead obstructions or
other possible hazards around the MEWP
when lifting.
WARNING
Do not lower the platform unless the area
is clear of personnel and obstructions.
1. A c t i v a t e b a s e c o n t r o l c o n s o l e ( r e f e r t o
Section 3.8-1 ).
2. Select and hold off/platform/base key switch to
“ ” base position.
3. Select and hold lower/neutral/raise switch to
either “ ” raise or “ ” lower position. Release
switch to stop.
SJIII 4740
Page 45