Genie Z-30/20N Service Manual page 40

Section 3 • Scheduled Maintenance Procedures
CHECKLIST C PROCEDURES
7 Carefully move the test weights to each
remaining location on the platform.
Refer to Illustration 1.
Result: The alarm should sound.
The platform overload indicator lights should be
flashing at both the ground and platform
controls.
Result: The alarm does not sound and the
platform overload indicator lights are not
flashing. Calibrate the platform overload
system. Refer to Repair Procedure 2-3,
How to Calibrate the Platform Overload
System (if equipped).
Note: There may be a 2 second delay before the
overload indicator lights flash and the alarm
sounds.
8 Test all machine functions from the platform
controls.
Result: All platform control functions should not
operate.
9 Turn the key switch to ground control.
10 Test all machine functions from the ground
controls.
Result: All ground control functions should not
operate.
11 Using auxiliary power, test all machine functions
from the ground controls.
Result: All ground control functions should
operate.
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12 Using a suitable lifting device, lift the additional
test weight from the platform.
Result: The platform overload indicator lights
should turn off at both the ground and platform
controls and the alarm should not sound.
Note: There may be an 2 second delay before the
overload indicator lights and alarm turn off.
13 Start the engine and test all machine functions
from the ground controls.
Result: All ground control functions should
operate normally.
14 Turn the key switch to platform control.
15 Test all machine functions from the platform
controls.
Result: All platform control functions should
operate.
Note: If the platform overload system is not
operating properly, Refer to Repair Procedure 2-3,
How to Calibrate the Platform Overload System
(if equipped).
16 Using a suitable lifting device, remove the
remaining test weights from the platform.
June 2011
REV A
Part No. 139378