Maeda LC785M-6B Manual de usuario

556BE-OM0806-00

OPERATION MANUAL

CRAWLER CRANE

BLADE

Serial No. 31460 and up

Unsafe use of this machine may cause serious injury or death. Operators

must read this manual before operating this machine. This manual should

be kept near the machine for reference and periodically reviewed by all

personnel who will come into contact with it.

NOTICE

MAEDA has Operation Manual written in some other languages. If a foreign

language manual is necessary, contact your local distributor for availability.

1-1

BLADE

1. PRECAUTION OF BLADE OPERATION 1-2

2. SAFETY LABEL LOCATION 1-4

2.1 SAFETY LABEL LOCATIONS IN THE MACHINE EXTERIOR 1-4

2.2 SAFETY LABEL LOCATIONS INSIDE THE CABIN 1-5

3. MACHINE EACH SECTION 1-7

3.1 MACHINE OVERALL VIEW 1-7

3.2 CONTROLLING DEVICE OVERALL WIEW 1-8

4. DESCRIPTION OF EACH DEVICE 1-9

5. OPERATIONS 1-10

5.1 OPERATION OF BLADE 1-10

5.2 WORKS WITH A BLADE 1-10

5.3 PARKING THE MACHINE 1-11

6. TRANSPORTATION 1-12

6.1 HOW TO HOIST THE MACHINE 1-12

7. INSPECTION AND MAINTENANCE 1-16

7.1 MAINTENANCE EVERY 50 HOURS 1-16

8. SPECIFICATIONS 1-17

8.1 SPECIFICATIONS 1-17

8.2 DIMENSIONS 1-18

1-2

1. PRECAUTION OF BLADE OPERATION

[BASIC POSTURE OF THE BLADE MODEL]

• Always clear the Blade from the ground during the hoisting operation. Failure to do so may

result a serious hazard including damaging the machine or its tipping over.

• Avoid ground leveling operations at the same time as hoisting operations. Otherwise, it may

cause a serious hazard including damaging the machine or its tipping over.

• A basic posture as below shall be observed for ground

leveling operations using the Blade.

• Keep the Blade ahead.

• Retract the boom to the minimum and stow the hook.

• Lower the boom to the range between “full lowered to

35 degrees”.

Where the boom is raised in excess, the machine may tip

over to result a serious hazard.

• Any leveling operations other than in the basic posture may cause a machine tipping or

damage to the wire rope which triggers a serious accident.

[SAFETY PRECAUTIONS FOR GROUND LEVELING]

• In the condition that the boom is “full lowered”, its end

exceeds the Blade end by “173cm”. It is essential to

ensure that no obstacles lie ahead. Else, the boom may

hit an obstacle and bring a critical accident.

• After leveling operations finish or during transportation,

position the Blade to touch the ground. The Blade may

unforeseeably fall down to cause critical accident due to

a spontaneous Blade cylinder slack or hydraulic system

error.

• Do not attempt to travel backward while the Blade

touches the ground, which can damage the hydraulic

hose. The Blade may be led into inoperability.

• Avoid the Blade to hit obstacles such as stones and

rocks.

Immediate damage of the Blade or cylinder may follow

such an event. 

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1-3

CAUTION

• The machine weight depends on the machine configuration.

Refer to the Table below for the machine weight and the loads per 2 part hanging and 4 part

hanging of the machine body.

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Model names of the table above represent the

respective machine configurations:

• LC785M-6F stands for a Fly-Jib model.

• LC785M-6B stands for a Blade model.

• LC785M-6BF stands for a Blade and Fly-Jib model.

• For all other safety precautions not covered in this section, refer to the section: “SAFETY” of

the LC785M-6 operation manual.

1-4

2. SAFETY LABEL LOCATION

CAUTION

In this section, the safety labels indicated are exclusive for a Blade model but different from

those of a standard model. For labels other than these, refer to the section: “SAFETY – SAFETY

LABEL LOCATION” of the LC785M-6 operation manual.

Keep these safety labels clean and legible at all times.

When a safety label is degraded, missing or illegible, replace with a new label.

In addition to the safety labels shown below, some other labels are required to post. Control them in the

same manner.

2.1 SAFETY LABEL LOCATIONS IN THE MACHINE EXTERIOR

1-5

2.2 SAFETY LABEL LOCATIONS INSIDE THE CABIN

1-6

(1) Machine weight (556-4575400) (2) Loads on 4-rope machine hoisting

(556-4575500) (4 places)

(3) Loads on 2-rope machine hoisting

(556-4575600) (2 places)

(4) Caution when blade operating (556-4575300)

1-7

3. MACHINE EACH SECTION

3.1 MACHINE OVERALL VIEW

(1) Top boom

(2) Fourth boom

(3) Third boom

(4) Second boom

(5) First boom

(6) Working light

(7) Sprocket

(8) Track shoe

(9) Track frame

(10) Idler

(11) Boom derricking cylinder

(12) Headlight

(13) Hook

(14) Overwinding detector

(15) Rotary lamp

(16) Blade cylinder

(17) Blade

1-8

3.2 CONTROLLING DEVICE OVERALL WIEW

(1) Car radio

(2) Air conditioner control panel

(3) Safety lock lever

(4) Left side control lever

(5) One-touch deceleration switch

(6) Traveling pedals

(7) Traveling levers

(8) Acceleration pedal

(9) Switch box

(10) Moment limiter device

(11) Ashtray

(12) Level

(13) Machine monitor

(14) Horn switch

(15) Right side control lever

(16) Cigarette lighter

(17) Blade control lever

(18) Starter switch

(19) Fuel adjustment dial

(20) Lamp switch

(21) Warning buzzer stop switch

(22) Swing brake release switch

(23) Winch two-speed switch

(24) Hook stowage switch

(25) Moment limiter emergency release switch

(26) Traveling speed selector switch

(27) Operation mode selector switch

(28) Battery charge monitor

(29) Engine oil pressure monitor

(30) Engine water temperature gauge

(31) Engine water temperature monitor

(32) Display (For failures)

(33) Fuel level monitor

(34) Fuel gauge

(35) Service meter

(36) Warm-up monitor

(37) One-touch deceleration monitor

(38) Wiper switch

(39) Window washer switch

(40) EMO switch

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