GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 25 of 44
MicroGuard
®
586 Operation/Setup Manual
W458200 REV C 10/29/02
WARNING
!
WARNING
!
9
Routine Checks and Maintenance
Load Test
The best way to identify a possible problem in the System is to do a load test. The accuracy of the load test is
dependent upon accurate operation of all of the sensors in the System and the correct code number setting for
the configuration of the crane.
If no stowed deduct configuration is provided by the system, perform this test with stowed attachments removed.
It is recommended that a load test be performed monthly.
Ensure that the configuration code number in the display console
window identifies the crane configuration for the current operation.
If in doubt, select the Code Number again following the steps
outlined in the CRANE OPTIONS AND SETUP CODES.
Load Test Steps
1. Select a known weight of at least 20% of maximum rated capacity.
2. Calculate the weight of the total load, including the slings and hook block.
3. Lift the weight, and record the load weight displayed on the MicroGuard
®
586
operator’s display console. The load weight on the console should be between 0 to 10%
higher than the load that was lifted.
EXAMPLE:
When lifting 5000 lbs., the display console window should read between 5000 and 5500 lbs.
A load reading on the MicroGuard
®
586 Operator’s Display
Console that falls outside of a 10% range may indicate a sensor
problem. Call your Service Representative.
MINIMUM SIX MONTHLY CHECK
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