JLG 740AJ, Service And Maintenance Manual

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SECTION 4 - BOO M & PLATFOR M
4-60 3121160
6. The controller will now display the following:
or, by pressing the up and down arrow keys:
7. When the "YES" message is displayed, press the "ENTER"
key to automatically perform a function test.
Upon the function test, the system will activate the
Upright Monitoring System, warning lights, and alarm.
Verify that the alarm sounds, the boom malfunction
indicator lights (platform and ground) are illuminated.
8. From the ground controls, raise the tower boom several
feet. Verify that the tower boom will not lower.
9. To end the system test, press the Emergency Stop
Switch (EMS) at the ground controls. Upon loss of power
(pressing the EMS) to the system, the upright monitor-
ing system will reset and all functionality will be restored
to the machine.
Service Mode/Tower Boom Retrieval
The UMS software incorporates a service mode to temporarily
disengage the UMS and allow a tower lift down operation
when the UMS has detected a backward stability concern.
ON ADE EQUIPPED MACHINES, DO NOT CONNECT TO THE ANALYZER CONNEC-
TION PORT INSTALLED WITH THE UPRIGHT MONITORING SYSTEM MODULE.
1. Connect the hand-held analyzer at the ground control
station using the four-pin connector.
2. Pull out the emergency stop button at the ground con-
trol station and turn the key switch to ground controls.
Start the engine.
3. Advance to access level 1 by scrolling to the ACCESS
LEVEL menu and press "ENTER" . Using the arrows
on the keypad, enter the password "33271" and press
"ENTER" .