EXPLANATION OF COMPONENTS

● Below provided are explanation of components necessary for operation of the machine. It is quite important to understand the operation of these controls as well as the meanings of the displays correctly for the right, safe and comfortable operation of the machine.

● For explanations on each control from (1) through (9) and (11) through (32) shown in the overall view of controls, see the operation manual of the backhoe shovel.

Switches

AUTOMATIC LEVEL CROWDING/BUCKET ANGLE COMPENSATION SWITCH

(If equipped)

WARNING

If the bucket is loaded with this switch in the OFF position and the boom control lever is placed in the RAISE position, the load may fall off on the arm side, as the bucket moves in an arc. Operation must be performed with good care.

Automatic Level Crowding Switch

This switch (33) is for selecting either an arc digging or automatic level crowding.

ON:Automatic level crowding

OFF:Arc digging

ON position:Level digging can be done by operating the arm control lever just above the ground surface.

Bucket Angle Compensation Switch

This switch (34) is for selecting either with bucket angle compensation or without.

ON:With bucket angle compensation

OFF:Without bucket angle compensation

ON position:The bucket is kept at a constant angle when the boom is in a raised position.

Bottom Dump Switch

This switch serves to open and close the front bucket.

● If the button (35) at the tip of the left work equipment control lever is depressed, the bucket will close.

● If the button (36) at the tip of the right work equipment control lever is depressed, the front bucket will open.

Horn Switch

When the horn button (10) located at the right foot rest is depressed, the horn sounds.

Control Box

(If equipped)

Remove the under cover bottom the operator's cab, so that the control box can be seen. Through the monitor window installed to the cover of the box, red and green LEDs (Light Emitting Diodes) which indicate abnormalities can be seen.

Work equipment automatic control controller

Indication of LED

GreenRedRedRed

Goes offGoes offGoes offGoes offArc digging mode

Condition of machine

LightsGoes offGoes offGoes offHorizontal digging mode

FlashesGoes offGoes offGoes offHorizontal digging + bucket angle compensation mode

Lights or flashes

LightsGoes offGoes offARM OUT hydraulic switch actuated

Goes offLightsGoes offBOOM RAISE/LOWER hydraulic switch actuated

Goes offGoes offLightsARM IN, BUCKET hydraulic switch actuated