GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 22 of 44
MicroGuard
®
586 Operation/Setup Manual
W458200 REV C 10/29/02
WARNING
!
4
Routine Checks and Maintenance
Reel-Off Cable
The reel-off cable (extension cable) extends from the extension reel to the boom tip. The reel-off cable provides
an electrical path for passage of the two-block warning signal from the boom tip to the computer cable in the
extension reel.
Check Points:
• Carefully examine the reel-off cable for damage.
• Fully telescope the boom in and out. As you extend or retract the boom, ensure that the reel-off cable is
smoothly fed on and off the extension reel without drooping along the boom or jumping, especially as the
boom is telescoped in.
The extension reel extension setting is factory preset. If
the reel-off cable has been broken, call your Service
Representative. Do not attempt to repair a break in the
reel-off cable without consulting with your Service
Representative.
Computer Cable
The extension reel cable to the computer acts as a channel for passage of signals to the System computer.
Check Points:
• Ensure that the cable exiting from the extension reel and running down the boom and around its pivot to the
computer is free from damage. If this cable has been damaged in any way, it should be carefully tested and
may need to be replaced to ensure accurate transmission of signals.
CHECK THE ABOVE OPERATIONS BEFORE EACH SHIFT OR CRANE OPERATION
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