Section 3 • Scheduled Maintenance Procedures
REV B
September 2016
3 - 12 GRC Part No. 227123
CHECKLIST B PROCEDURES
B-2
Inspect the Electrical Wiring
Genie specifications require that this procedure be
performed every 250 hours or quarterly, whichever
comes first.
Maintaining electrical wiring in good condition is
essential to safe operation and good machine
performance. Failure to find and replace burnt,
chafed, corroded or pinched wires could result in
unsafe operating conditions and may cause
component damage.
Electrocution/burn hazard. Contact
with hot or live circuits could result
in death or serious injury. Remove
all rings, watches and other
jewelry.
1 Inspect the underside of the chassis for
damaged or missing ground straps.
2 Inspect the following areas for burnt, chafed,
corroded and loose wires:
• Mast cable
• Platform controls
• Power to platform wiring
3 Inspect the following areas for burnt, chafed,
corroded and loose wires:
• Ground control panel
• Hydraulic power unit
4 Inspect for a liberal coating of dielectric grease
in all wiring connections between the ECM and
the platform controls, and level sensor wiring.
5 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position at both the ground and platform
controls.
6 Raise the platform approximately 8 feet / 2.4 m
from the ground.
7 Place a lifting strap from an overhead crane
under the platform. Support the platform. Do not
apply any lifting pressure.
Component damage hazard. The
platform railings can be damaged
if they are used to lift the platform.
Do not attach the lifting strap to
the platform railings.
8 Inspect the center chassis area for burnt,
chafed and pinched cables.
9 Open the battery tray cover.
10 Inspect the battery tray for burnt, chafed and
pinched cables.
11 Close the battery tray cover.
12 Remove the strap from the platform.
13 Lower the platform to the stowed position and
turn the machine off.
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