Lull 644E-42 Operation Manual - Manual (Page 77)

Operation
75 Model 644E Origin 3/04
Locked Mode
With the boom above 40 (4) and by activating one or more of the functions (as
follows), the Stabil-TRAK system is in the LOCKED MODE (5). The rear axle is
locked so it is rigid with the frame. The Stabil-TRAK lock light on the front dash panel
will be ON (6). The Stabil-TRAK slow pivot light on the front dash panel will be OFF
(7).
ï Engaging the parking brake switch
ï Placing the travel select lever in the (N) NEUTRAL DETENT position
ï Depressing and holding the service brake pedal
The frame sway control will function slower than normal in this mode.
0000000
RPM X 100
5
10
15
30
20
25
F
1/2
E 104
176
80
248
120 °C
°F
D
r/min
OU0110
4
5
6 7