Genie Z-30/20N, Service Manual

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4 - 8 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N Part No. 139378
June 2011 Section 4 • Repair Procedures
REV A PLATFORM COMPONENTS
7 Move the platform up and down by hand, so it
bounces approximately 2.5 to 5 cm / 1 to 2
inches. Allow the platform to settle.
Result: The overload indicator lights are off and
the alarm does not sound. Proceed to step 8.
Result: The overload indicator lights are
flashing at the platform and ground controls,
and the alarm is sounding. Repeat this
procedure beginning with step 5.
Note: There may be a 2 second delay before the
platform overload indicator light and alarm
responds.
8 Add an additional 10 lb / 4.5 kg test weight to
the platform.
Result: The overload indicator light is flashing at
both the ground and platform controls, and the
alarm is sounding. Proceed to step 9.
Result: The overload indicator light is off at both
the ground and platform controls, and the alarm
does not sound. Remove the additional 10 lb /
4.5 kg test weight. Repeat this procedure
beginning with step 6.
Note: There may be a 2 second delay before the
platform overload indicator light and alarm
responds.
9 Test all machine functions from the platform
controls.
Result: All platform control functions should not
operate.
10 Turn the key switch to ground control.
11 Test all machine functions from the ground
controls.
Result: All ground control functions should not
operate.
12 Using a suitable lifting device, lift the test weight
off the platform floor.
Result: The platform overload indicator light
should be off at both the ground and platform
controls and the alarm should not sound.
Note: There may be a 2 second delay before the
overload indicator lights and alarm turn off.
13 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 normally.