Technical information

Machine Operation 24

DRV Operator’s Manual and Technical Reference (rev 1 0 June 30, 2000)

1: Theory Of Operation

The Caltrans/AHMCT Debris Removal Vehicle (DRV) is an operator controlled garbage

collecting manipulator with limited automatic modes to assist in the most tedious tasks.

In normal operation, the operator would program preset manipulator locations into the

machine. These preset locations are accessible from joystick buttons P1 through P4. In

the field, the operator would deploy the manipulator to a preset location by depressing the

appropriate button. Then, the joystick would be used for fine adjustment of the

manipulator in order to grab the debris. The buckets would then be closed. When the

operator is satisfied that the payload is secure, the automatic dump action would be

initiated with a special button combination. The manipulator would reposition itself over

the compactor entryway, release the garbage, and reposition itself again to be ready for

redeployment. The operator could then reposition the vehicle and restart the collection

process again. If the operator determined that the garbage in the body needed to be

compacted, the entire compaction cycle could be initiated by another convenient button

combination from the operator joystick.

2: Machine Operation

2.1 Pre-operational System Checks

The following operational checks should be accomplished before system startup. It is

assumed that the truck engine is running and the alternator voltmeter is reading greater

than 12 volts.

2.1.1 Hydraulic Oil Level

Ensure that the hydraulic oil level, as seen from the sight glass on the oil tank, is visible and

approximately halfway up the sight glass. If the level is below halfway, add Caltrans specification

oil to the filler hole to bring the oil level up.

2.1.2 Arm Restra int Pins

There are two (2) restraint pins on the arm that are used to prevent unintended motion during

transport. Ensure that the boom restraint pin is removed and placed in its holder and the spring clip

replaced on the pin. Next, pull the azimuth pin and rotate the pin 90 degrees to place it in the

unlocked position.

2.1.3 M achine Clearances

Ensure that there are no obstructions to either side of the truck. Additionally, ensure that the area

above the compactor entryway is free from obstacles.

2.1.4 Em ergency Stop

Ensure that at least one of the emergency stop buttons on the side of the operator’s console in the

truck cab is in the "IN" position.