PUMP GP-AUXILIARY 3N4305 - Caterpillar

Use caution to avoid possible personal injury when adjusting the bucket positioner.Stop the engine and lower all equipment to relieve the hydraulic pressure.Engage the parking brake and block the tires to prevent sudden movement of the machine.Keep unauthorized personnel off the machine.
Start the engine. Lower the attachment to the ground.
Position the attachment at the desired angle to the ground. Turn the engine start switch key to the OFF position and remove the engine start switch key. Move the attachment tilt lever to the TILT BACK detent position.
Illustration 1 g00104120
Loosen the three bolts (1) that clamp the switch to the tube assembly (2) . Move the switch until the orange light (3) comes on. Move the switch down the cylinder in order to increase the digging angle. Move the switch up the cylinder in order to decrease the digging angle.
To test the adjustment, start the engine. Raise the attachment. Move the attachment tilt lever to the TILT BACK detent position.
When the attachment reaches the preset digging angle, the attachment tilt lever should return to the HOLD position.