HARNESS AS-CHASSIS 2510162 - Caterpillar

Preparation
Illustration 1 g01916994
Boom Angle of 1° (A) 6.5 0.5 mm (0.256 0.019 inch) (B) 0 0.5 mm (0.0 0.019 inch) (1) Boom (2) Plate (3) Proximity switch
Position the machine on level ground and fully extend the boom cylinders.
Position proximity switch (3) 6.5 0.5 mm (0.256 0.019 inch) from plate (2) .
Align the top of proximity switch (3) with the top of plate (2) .Test
Table 1
Boom Angle (1)     Alarm    
1° (2) - 24°     OFF    
24° - 50.5°     ON    
50.5° - 96° (3)     OFF    
( 1 ) The boom angle is measured between the axis of the boom foot pin to the boom nose pin and a vertical axis.
( 2 ) Boom cylinders are fully extended.
( 3 ) Boom cylinders are fully retracted.
Illustration 2 g01919078
(4) Toggle switch (5) Green LED (6) Red LED
Move toggle switch (4) upward in order to turn on the vertical tilt alarm.The green LED (5) will be ON and the red LED (6) will be OFF when toggle switch (4) is switched ON.
Retract the boom cylinders.Check the alarm for each range of the boom angle until the front attachments come in contact with the ground. Refer to Table 1.
Illustration 3 g01923114
Boom Angle of 24° (A) 6.5 0.5 mm (0.256 0.019 inch) (1) Boom (2) Plate (3) Proximity switch
The alarm should be ON once the boom angle reaches 24°. The alarm should be ON until the boom angle reaches 50.5°.
Illustration 4 g01923116
Boom Angle of 50.5° (A) 6.5 0.5 mm (0.256 0.019 inch) (1) Boom (2) Plate (3) Proximity switch
The alarm should be OFF once the boom angle reaches 50.5°.
If the alarm is not within the specification then plate (2) may need to be adjusted.
Fully extend the boom cylinders.
Illustration 5 g01925034
(2) Plate (3) Proximity switch (7) Bolt
Loosen bolts (7) in order to adjust plate (2) .
Align the top of plate (2) with the top of proximity switch (3) .
Tighten bolts (7) .
Once the adjustment of plate (2) is complete then repeat Step 1 through Step 4.