Genie S-40 Service Manual page 71

Section 3 • Scheduled Maintenance Procedures
CHECKLIST C PROCEDURES
14 Start the engine and test all machine functions
from the ground controls.
Result: All ground control functions should
operate normally.
15 Turn the key switch to platform control.
16 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 2-4,
How to Calibrate the Platform Overload System (if
equipped).
17 Push in the red Emergency stop button at the
platform to shut off engine.
18 Using a suitable lifting device, remove all test
weights from the platform.
19 Pull out the red Emergency stop button to the on
position at the platform controls.
20 Remove the fasteners securing the lid to the
platform controls. Using Illustration 2 as a
guide, locate the timer relay inside the platform
control box. Tag and disconnect the red wire
from terminal 5 on the timer relay.
Timer Relay
Terminal 5
Illustration 2
3 - 38
Orange
Wire
S-40 • S-45
21 Using Illustration 3 as a guide, locate D31 Valve
Power LED on the ALC500 printed circuit board.
ALC 500 Board
Illustration 3
22 Step on the footswitch at the platform.
Result: The Valve Power LED should not
illuminate.
Result: The Valve Power LED is illuminated.
Remove the machine from service and contact
the Genie Service Department .
23 Securely install the red wire, disconnected in
step 20, onto terminal 5 of the relay timer.
24 Step on the footswitch at the platform.
Result: The Valve Power LED should illuminate.
Result: The Valve Power LED is not illuminated.
Remove the machine from service and contact
the Genie Service Department .
25 Using a suitable lifting device, place a test
weight equal to that of the available capacity at
the center location shown in Illustration 1.
October 2013
Valve Power LED
Part No. 102521