JLG 740AJ Service Manual - Manual (Page 272)

SECTION 4 - BOOM & PLATFORM
4-56 – JLG Lift – 3121160
Function Check
ON ADE EQUIPPED MACHINES, DO NOT CONNECT TO THE ANA-
LYZER CONNECTION PORT INSTALLED WITH THE UPRIGHT MON-
ITORING SYSTEM MODULE.
1. Connect the hand-held analyzer at the ground con-
trol station using the four-pin connector.
2. Pull out the emergency stop button at the ground
control 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" .
4. Scroll through the top level menu until SERVICE
MODE appears. Press "ENTER" to select this
menu item. After pressing "ENTER" one of the follow-
ing screens will be displayed:
or
5. Scroll left to right through the above menu items
until "TEST UMS?" sub menu appears on the bottom
line of the analyzer display. Press the "ENTER"
key.