Maeda MC-285C Quick Operation Manual
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Maeda MC-285C Quick Operation Manual

Mini-crawler crane
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QUICK OPERATION GUIDE
MINI-CRAWLER CRANE
Serial No.P00001 and up
• This operation guide explains basic operation of the machine. Before starting work, always
conduct checks written in "2.1 Checking Before Operation" in the separate "Operation
Manual".
For safety cautions and detailed operation of the machine not explained in this book, please
read and understand the separate "Operation Manual" before operating this machine.
• This operation guide does not replace the operation manual. This is just a short helpdesk
information paper to assist the trained operator of the crane with the basic operation of the
crane. For complete and detailed information we refer to the operation manual of the crane.
353E-OG0907-00

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Summary of Contents for Maeda MC-285C

  • Page 1 353E-OG0907-00 QUICK OPERATION GUIDE MINI-CRAWLER CRANE Serial No.P00001 and up • This operation guide explains basic operation of the machine. Before starting work, always conduct checks written in “2.1 Checking Before Operation” in the separate “Operation Manual”. For safety cautions and detailed operation of the machine not explained in this book, please read and understand the separate “Operation Manual”...

  • Page 2: Table Of Contents

    CONTENTS ITEM Page 1. TRAVELLING OPERATION UNITS 2. CRANE OPERATION UNITS 3. STARTING AND STOPPING THE ENGINE 4. TRAVELLING OPERATION 5. OUTRIGGER OPERATION 6. CRANE OPERATION 7. MOMENT LIMITER (OVERLOAD DETECTOR) 8. REMOTE CONTROL 8.1 PROCEDURE IN THE OPERATION MODE 8.2 OPERATION IN OUTRIGGER MODE 8.3 OPERATION IN CRANE MODE 8.4 SET-UP AND CANCEL MICRO SPEED...

  • Page 3: Travelling Operation Units

    1. TRAVELLING OPERATION UNITS (1) Acceleration lever (7) Engine water temperature monitor (13) Fuse (15A) (2) Left travelling lever (8) Engine oil pressure monitor (14) Fuse (20A) (3) Right travelling lever (9) Charge monitor (15) Fuse (15A) (4) Travelling lever stand lock lever (10) Main starter switch (16) Emergency engine stop switch (5) Fuel gauge...

  • Page 4: Starting And Stopping The Engine

    3. STARTING AND STOPPING THE ENGINE [1] STARTING THE ENGINE WITH MAIN STARTER SWITCH 1. Push the acceleration lever upward to operate the engine at medium speed (lever stroke about midway). 2. Insert the key and turn it left (preheating) for about four seconds or until the glow lamp light goes out. 3.

  • Page 5: Outrigger Operation

    5. OUTRIGGER OPERATION OUTRIGGER COMPONENTS (1) Outrigger base (6) Stay (Damper type) (10) Inner box (2) Outrigger cylinder (7) Outrigger top position pin (11) Outrigger adapter (Foot) (3) Outrigger rotary (8) Inner box position pin (12) Snap pin (4) Rotary position pin (9) Outrigger top (13) Snap pin There are four outriggers installed on the machine.

  • Page 6: Crane Operation

    (2) TASKS TO BE PERFORMED AFTER STARTING ENGINE CAUTION Before working with the outriggers and the crane, set the travel lever stand in CRANE position. (push the travel lever stand down) 1. Put the outriggers down ONE by ONE until they all just touch the ground. 2.

  • Page 7: Moment Limiter (Overload Detector)

    [3] CRANE STOWING OPERATION 1. Completely retract the boom and slew until the boom is over the center of the crane. Lower the boom to the maximum (it stops automatically). 2. Attaching the hook block in the hook hanger: Hoist up the hook block to the over hoist protection. Attach the hook to the hanger and raise the hook block using the over hoist DETECTOR (see drawing) and simultaneously pull the winch lever towards you.

  • Page 8: Remote Control

    MOMENT LIMITER DISPLAY (1) Boom angle display (2) Lifting height display (3) Boom length display (4) Boom lifting height upper limit switch (5) Over hoist detection LED (Red) (6) Actual load display (7) Rated total load display (8) Boom angle lower limit switch (9) Working radius display (10) Working radius upper limit switch (11) Boom angle upper limit switch...

  • Page 9: Procedure In The Operation Mode

    8.1 PROCEDURE IN THE OPERATION MODE [1] CALL UP CRANE MODE 1. Push the Power button to turn ON the Transmitter. 2. The “Crane mark” is displayed in the LCD screen for about 2 seconds. 3. The crane is ready for operation. [2] CALL UP OUTRIGGER MODE 1.

  • Page 10: Operation In Crane Mode

    8.3 OPERATION IN CRANE MODE Four Crane operation switches are provided. Each controls the following operation, respectively. (See the figure on the right.) (1): Slewing (upper: counterclockwise, lower: clockwise) (2): Boom telescoping (upper: extend, lower: retract) (3): Hook rasing and lowering (upper: raising, lower: lowering) (4): Boom derricking (upper: raising, lower: lowering) 8.4 SET-UP AND CANCEL MICRO SPEED The speed of the crane can also be controlled by the MICRO SPEED MODE.
  • Page 11 MAEDA MINI-CRAWLER CRANE MC-285C QUICK OPERATION GUIDE Document No: 353E-OG0907-00 First edition: July 15, 2009 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...

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