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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.
MAEDA has Operation Manual written in some other languages. If a foreign
language manual is necessary, contact your local distributor for availability.
NOTICE
556BE-OM0806-00
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Table of Contents
Related Manuals for Maeda LC785M-6B
Summary of Contents for Maeda LC785M-6B
- Page 1 NOTICE MAEDA has Operation Manual written in some other languages. If a foreign language manual is necessary, contact your local distributor for availability.
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Page 3: Table Of Contents
BLADE 1. PRECAUTION OF BLADE OPERATION 2. SAFETY LABEL LOCATION 2.1 SAFETY LABEL LOCATIONS IN THE MACHINE EXTERIOR 2.2 SAFETY LABEL LOCATIONS INSIDE THE CABIN 3. MACHINE EACH SECTION 3.1 MACHINE OVERALL VIEW 3.2 CONTROLLING DEVICE OVERALL WIEW 4. DESCRIPTION OF EACH DEVICE 5. -
Page 4: Precaution Of Blade Operation
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. •... - Page 5 • 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...
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Page 6: Safety Label Location
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. -
Page 7: Safety Label Locations Inside The Cabin
2.2 SAFETY LABEL LOCATIONS INSIDE THE CABIN... - Page 8 (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)
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Page 9: Machine Each Section
3. MACHINE EACH SECTION 3.1 MACHINE OVERALL VIEW (1) Top boom (10) Idler (2) Fourth boom (11) Boom derricking cylinder (3) Third boom (12) Headlight (4) Second boom (13) Hook (5) First boom (14) Overwinding detector (6) Working light (15) Rotary lamp (7) Sprocket (16) Blade cylinder (8) Track shoe... -
Page 10: Controlling Device Overall Wiew
3.2 CONTROLLING DEVICE OVERALL WIEW (1) Car radio (21) Warning buzzer stop switch (2) Air conditioner control panel (22) Swing brake release switch (3) Safety lock lever (23) Winch two-speed switch (4) Left side control lever (24) Hook stowage switch (5) One-touch deceleration switch (25) Moment limiter emergency release switch (6) Traveling pedals... -
Page 11: Description Of Each Device
4. DESCRIPTION OF EACH DEVICE CAUTION In this section, the devices indicated are exclusive for a Blade model but different from those of a standard model. For devices other than those, refer to the section: “HANDLING – DESCRIPTION OF EACH DEVICE”... -
Page 12: Operations
5. OPERATIONS CAUTION In this section, the devices indicated are exclusive for a Blade model but different from those of a standard model. For devices other than those, refer to the section: “HANDLING – OPERATIONS” of the LC785M-6 operation manual. 5.1 OPERATION OF BLADE •... -
Page 13: Parking The Machine
5.3 PARKING THE MACHINE • Park the machine on a level and solid ground but avoid a slope. If you have no choice but to park on a slope, apply a block to prevent the machine to come-down; and direct the Blade downward and make it bite the ground, as shown on the figure on the right. -
Page 14: Transportation
6. TRANSPORTATION CAUTION In this section, the devices indicated are exclusive for a Blade model but different from those of a standard model. For devices other than those, refer to the section: “HANDLING – OPERATIONS” of the LC785M-6 operation manual. 6.1 HOW TO HOIST THE MACHINE 6.1.1 HOW TO THE MACHINE WITH THE BOOM LOWERED NOTES... - Page 15 6. Lock the control levers securely with the safety lock lever (4) to the lock position. 7. Install shackles at two locations (A) on the crane boom and two locations (B) on the crane frame, to hook the hoisting wire rope in a manner such that the hoisting angle is “60 degrees or less”.
- Page 16 6.1.2 HOW TO HOIST THE MACHINE WITH THE BOOM RAISED NOTES • Use two hoisting wire ropes of the same standard. • Breaking force: 36 ton or more • φ25 x 8.6 m or more • Use two shackles of the same standard. •...
- Page 17 7. Install shackles at two locations on the crane frame to hook the hoisting wire rope. NOTES Before hoisting the machine, place some cushion where the hoisting wire rope and the machine come into contact. 8. Verify that there is no posture change caused by the leakage from the hydraulic circuit on the derricking cylinder head side when the machine is hoisted.
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Page 18: Inspection And Maintenance
7. INSPECTION AND MAINTENANCE CAUTION In this section, the devices indicated are exclusive for a Blade model but different from those of a standard model. For devices other than those, refer to the section: “INSPECTION AND MAINTENANCE” of the LC785M-6 operation manual. 7.1 MAINTENANCE EVERY 50 HOURS [1] GREASING CAUTION... -
Page 19: Specifications
In this section, the data indicated are exclusive for a Blade model but different from those of a standard model. For data other than those, refer to the section: “SPECIFICATIONS” of the LC785M-6 operation manual. 8.1 SPECIFICATIONS System / Item LC785M-6B Machine mass 10,250kg Overall length x width x height 5,005mm x 2,350mm x 2，685mm... -
Page 20: Dimensions
8.2 DIMENSIONS 1-18... - Page 22 MAEDA CRAWLER CRANE LC785M-6B BLADE OPERATION MANUAL Document No: 556BE-OM0806-00 First edition: Jun 10 2008 Issued by Maeda Seisakusyo Co., Ltd. 1095 Onbegawa, Shinonoi Nagano, Nagano 388-8522, Japan No part of this manual can be reproduced in any from without permission...