Owner's manual

Operation
77
Model 644E Rev. 8/03
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).
Engaging the parking brake switch
Placing the travel select lever in the (N) NEUTRAL DETENT position
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