AEC OS Series Gravimetric Batch Blenders - Manual (Page 28)

Page 27 of 118
2-7 Maintenance Responsibility
Safety is essential to the good health of both operator and machine. If you are a
maintenance worker, you must make safety a priority in order to effectively repair
and maintain equipment.
BEFORE REMOVING, ADJUSTING, OR REPLACING PARTS ON A MACHINE,
REMEMBER TO DO THE FOLLOWING:
• BLEED all air pressure from system components (refer to the Maintenance
Section of this manual.)
• TURN OFF all air and electric supplies and all accessory equipment at the
machine.
• DISCONNECT AND LOCK OUT electrical and pneumatic power, and attach
warning tags to the disconnect switch and air shutoff valve.
When you need to perform maintenance or repair work on a blender above floor
level, use a solid platform or a hydraulic elevator. If there is a permanently
installed catwalk on your blender, use it. The work platform should have secure
footing and a place for tools and parts. DO NOT climb on blenders, machines, or
work from ladders.
If you need to repair a large component, use appropriate handling equipment.
Before you use handling equipment (portable “A” frames, electric boom trucks,
fork trucks, overhead cranes) be sure the load does not exceed the capacity of
the handling equipment or cause it to become unstable.
Carefully test the condition of lifting cables, chains, ropes, slings, and hooks
before using them to lift a load.
Be sure that all non-current carrying parts of electrical apparatus, electrical
component enclosures, and the blender frame are correctly connected to earth
ground with an electrical conductor that complies with current codes. Install in
accordance with national and local codes, which apply.
When you have completed the repair or maintenance procedure, check your work,
remove your tools, rigging, and handling equipment.
Do not restore power to the blender until all persons are clear of the area. Start
and run the blender until you are sure all parts are functioning correctly.
BEFORE you turn the blender over to the operator for production, verify all guards
and safety devices are in place and functioning properly.