Lull 944E-42 Operation Manual - Manual (Page 57)

Section 3 - Controls and Indicators
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3.4 STABIL-TRAK™ SYSTEM
Free Pivot Mode
With boom below 40° (1), the Stabil-Trak system is in free pivot mode.
• The rear axle pivots freely and frame level functions normally.
• The Stabil-Trak slow pivot (3) and lock (4) indicators will not illuminate.
Slow Pivot Mode
With boom above 40° (2), the Stabil-Trak system is in slow pivot mode if the service
brake is not depressed and the transmission is in gear.
• The rear axle will respond slowly to changes in terrain and frame level functions
normally.
• The Stabil-Trak slow pivot indicator (3) will illuminate.
Locked Mode
With boom above 40° (2) and the park brake engaged, transmission control lever in
neutral or service brake depressed, the system is in locked mode.
• The rear axle is locked and the frame level functions slower than normal.
• The Stabil-Trak lock indicator (4) will illuminate.
OU2041
3 4
0000000
RPM X 100
5
10
15
30
20
25 F
1/2
E 104
176
80 248
120 °C
°F
D
r/min
212
100
140
60 40
1
2