Lull 944E-42 Operation Manual - Manual (Page 133)

Section 8 - Additional Checks
8-1 31200354
SECTION 8 - ADDITIONAL CHECKS
8.1 STABIL-TRAK™
A. Stabil-Trak Indicator Test
Stabil-Trak system operates in three modes. In slow pivot mode the Stabil-Trak slow
pivot indicator illuminates. In locked mode the Stabil-Trak lock indicator illuminates. If
indicator does not illuminate the test was not performed properly or Stabil-Trak
system is not functioning correctly and the test should be stopped immediately. To
check the indicator, perform the following:
A. Slow Pivot Mode
1. Test Stabil-Trak system with vehicle on a level surface and boom fully retracted,
no load.
2. Depress service brake pedal (5) and shift transmission into forward (6).
3. Raise the boom above 40° (2). Release service brake pedal.
4. Stabil-Trak system slow pivot mode will be activated and indicator (4) will
illuminate.
5. Depress service brake pedal and lower boom below 40° (1).
B. Locked Mode
1. Test Stabil-Trak system with vehicle on a level surface and boom fully retracted,
no load.
2. Depress service brake pedal and shift transmission to neutral.
3. Raise boom above 40°. Release service brake pedal.
4. Stabil-Trak system locked mode will be activated and indicator (7) will illuminate.
10
OW0970 OH4340
OU2351
1
2 4 7
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 3
6
5