Lull 944E-42 Service Manual - Manual (Page 758)

Electrical System
9.248 Model 644E-42/944E-42 Rev. 6/04
6. Ensure that the Stabil-TRAK “Slow Pivot”
Mode indicator (1) is OFF.
7. Slowly depress and hold the brake pedal (2) to
maintain 150 ±50 psi (10,3 ±3,4 bar) brake
pressure.
8. Adjust the stabilizer brake switch.
When Service Brake Valve Mounting Plate Does
Not Have Threaded Mounting Hole.
Using the top (3) and bottom (4) locknuts in
combination, position the brake switch so the Stabil-
TRAK “Slow Pivot” Mode indicator (1) comes ON at
the 150 ±50 psi (10,3 ±3,4 bar) brake pressure.
When Service Brake Valve Mounting Plate Has
Threaded Mounting Hole.
Position the brake switch so the Stabil-TRAK
“Locked” Mode indicator (1) comes ON at the
150 ±50 psi (10,3 ±3,4 bar) brake pressure. If the
brake switch needs to be adjusted, remove the wire
leads from the switch, loosen the locknut (6) from the
top of the switch mounting bracket (7) and thread the
switch in or out until you hear an audible click.
9. Repeat steps 6 through 8 until the Stabil-TRAK
“Slow Pivot” Mode indicator (1) comes ON at the
150 ±50 psi (10,3 ±3,4 bar) brake pressure.
10. After the required pressure is achieved, use a
wrench and fully tighten the locknut (3 or 6) against
the service brake valve mounting plate (5 or 7).
In order to test the switch for proper operation, the boom
must be below the 40° position, the parking brake switch
must be in the ON position. Proper operation of the switch
will activate the Stabil-TRAK “Slow Pivot”
Mode indicator (1). If the Stabil-TRAK indicator does not
activate when all conditions are met, the sensor must be
adjusted. Refer to Section 9.14.12, a. “Boom Sensor
Replacement and Adjustment.”
11. Shut off the engine.
12. Remove blocking from front tires.
13. Remove the pressure gauge.
14. Replace lower access panel (17). Secure in place
using five capscrews and flat washers. Torque to
7 - 10 lb-ft (9,5 - 10,6 Nm).
0000000
RPM X 100
5
10
15
30
20
25
F
1/2
E 104
176
80
248
120 °C
°F
D
r/min
MU0010
1
2
MU4580
3
4
5
MU4581
6
7