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OPERATORS MANUAL
MAEDA MC285-2
850KG - SEARCHER HOOK
Northern (Head Office)
Central
Western
Southern
Tel: +44 (0)1482 227333
Tel: +44 (0)1302 341659
Tel: +44 (0)1384 900388
Tel: +44 (0)203 174 0658
DISCLAIMER - ALL INSTRUCTIONS ARE SUPPLIED FROM MANUFACTURER AND WHERE CORRECT AT TIME OF PRINT
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Table of Contents
Related Manuals for Maeda -MC285-2
Summary of Contents for Maeda -MC285-2
- Page 1 OPERATORS MANUAL MAEDA MC285-2 850KG - SEARCHER HOOK Northern (Head Office) Central Western Southern Tel: +44 (0)1482 227333 Tel: +44 (0)1302 341659 Tel: +44 (0)1384 900388 Tel: +44 (0)203 174 0658 DISCLAIMER - ALL INSTRUCTIONS ARE SUPPLIED FROM MANUFACTURER AND WHERE CORRECT AT TIME OF PRINT...
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Page 2: Table Of Contents
CONTENTS ITEM Page 1. INTRODUCTION 2. FOR SAFE USE OF MACHINE 3. SAFETY DECAL LOCATIONS 4. SEARCHER HOOK EACH SECTION 5. MOMENT LIMITER DISPLAY UNIT 5.1 DESCRIPTIONS OF SWITCHES MOMENT LIMITER DISPLAY UNIT 5.1.1 WIRE FALLS SELECTOR SWITCH AND WIRE FALLS DISPLAY LED (BLUE) 5.1.2 CANCEL SWITCH 6. -
Page 3: Introduction
• Keep this manual and “MC285C-2 Operation Manual” handy for reference when necessary. • Should you lose or damage this manual or “MC285C-2 Operation Manual”, contact Maeda or our sales service agency immediately for ordering a new manual. • This manual and “MC285C-2 Operation Manual”... -
Page 4: For Safe Use Of Machine
2. FOR SAFE USE OF MACHINE This manual classifies the risks into the following three categories to present the details of the safety labels in easy-to-understand manner. This denotes that there is an imminent hazard which will cause serious personal injury or death. The method of hazard circumvention is stated. -
Page 5: Safety Decal Locations
3. SAFETY DECAL LOCATIONS... - Page 6 ②102-4608500 ①102-4618500 ③Right side 102-4618700 ④102-4619400 Left side 102-4618800...
- Page 7 ⑤102-2154100 ⑥102-4619800 ⑦103-4607100 ⑧102-4608000 ⑨350-4431400...
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Page 8: Searcher Hook Each Section
4. SEARCHER HOOK EACH SECTION (1) E-Boom (7) Hexagonal bolt with washer (M8×25L (2) Bracket1 strength 10.9) (3) Bracket 2 (8) Hexagonal bolt with washer (M12×35L (4) Position pin strength 10.9) (5) Linch pin (9) Nut (M12× grade 1, strength 10) (6) pin (10) High tension washer (M12×26×3.2t) (11) Shackle... -
Page 9: Moment Limiter Display Unit
5. MOMENT LIMITER DISPLAY UNIT (1) Boom angle display (14) Working radius upper limit switch (2) Lifting height display (15) Working radius upper limit LED (Orange) (3) Boom length display (16) Over un-winding LED (Orange) (4) Boom lifting height upper limit LED (Orange) (17) Boom angle upper limit switch (5) Boom lifting height upper limit switch (18) Boom angle upper limit LED (Orange) -
Page 10: Descriptions Of Switches Moment Limiter Display Unit
5.1 DESCRIPTIONS OF SWITCHES MOMENT LIMITER DISPLAY UNIT See “Operation 1.5 Moment Limiter in Operation Manual” for how to operate the moment limiter. 5.1.1 WIRE FALLS SELECTOR SWITCH AND WIRE FALLS DISPLAY LED (BLUE) Fall mode/option mode and searcher hook position must be set as “850kg searcher hook mode”. Using 850kg searcher hook other than in 850kg searcher hook mode may prevent issuance of the pre-warnings and boom auto-stop even when the overload is near happening, and thus may result in crane damage or machine trip that may result in serious accidents. -
Page 11: Cancel Switch
5.1.2 CANCEL SWITCH Do not use 850kg searcher hook if actual searcher hook position and display of boom length window do not match. Without setting moment limiter to the actual searcher hook position, moment limiter may not work properly and thus may result in crane damage and machine trip that may result in serious accidents. - Page 12 Searcher Hook position and mode display in boom length window...
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Page 13: Operation
M8 bolts at 27 N・m (±8 N・m). Crash Hazard. Make sure to torque searcher hook mounting plate bolts to the designated tightening torque. To install searcher hook, always use new genuine Maeda bolts, nuts, and washers. 3. Using fall mode/option selector switch (23), set moment limiter to 850kg searcher hook mode (all LED flashes). - Page 14 4. Remove the Linch pin (4) from the end of position pin (3), and remove the position pin (3). 5. Line up the hole (6) in E-boom (5) tip and hole (7) in bracket. 6. Insert the removed position pin (3) (in procedure 4.) through the hole of bracket (7), and secure with lynch pin (4) to the tip of position pin (3).
- Page 15 9. Insert the position pin (8) through the hole of bracket, and secure with lynch pin (9) to the tip of position pin (8). Always secure the position pin (8) with the lynch pin (9). If the position pin falls out during operations, serious injury or damage to the machine may result.
- Page 16 12. When operation is auto-stopped by reaching overload during boom lowering or extending operation, first retract boom to recover into safe load range, and then lower boom to ground load. If boom lift must be operated in a situation, use boom lift bypass switch (11) to enable the boom lift function.
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Page 17: Inspection And Maintenance
Parts for mounting searcher hook are consumable items. Replace them at periodic inspection or before they reach abrasion limits. Replace consumable items regularly, which will produce economical use of this machine. Always replace with a Maeda genuine item. Check parts catalog for correct part number for parts request. [CONSUMABLES LIST]... -
Page 18: Inspection And Maintenance List
7.3 INSPECTION AND MAINTENANCE LIST This document only covers 850kg searcher hook kit. For crane body, please refer to “Inspection and Maintenance” and follow its precautions. Inspection and maintenance items Page 7.4.1 INSPECTION BEFORE OPERATION [CHECKING BEFORE STARTING ENGINE] [1]CHECKING E-BOOM, FRAME AND HOOK [2]GREASING [3]CHECKING SEARCHER HOOK FIX BOLTS [4]INSTALLATION CHECK OF POSITION PIN AND LYNCH PIN... -
Page 19: Maintenance Procedures
7.4 MAINTENANCE PROCEDURES 7.4.1 INSPECTION BEFORE OPERATION [CHECKING BEFORE STARTING ENGINE] Check the following in this section without starting the engine and before starting work every day. [1] CHECKING E-BOOM, FRAME AND HOOK Check each part of the E-Boom, frame and Hook for cracks, excessive deformation and contamination etc. - Page 20 "boom angle" and "working radius. If the measured value(s) differ from the moment limiter display valu e, contact MAEDA or MAEDA sales agency. 8 Lift up load and check if boom extending or boom lowering operation is auto-stopped when overloaded. If the operation is not auto-stopped in overloaded condition, please contact us or our sales service agency and do no use the machine.
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Page 21: Working Range And Rated Total Load
8. WORKING RANGE AND RATED TOTAL LOAD • When using the searcher hook, be sure to set searcher hook mode for moment limiter. • Fall mode/option mode and searcher hook position must be set as “850kg searcher hook mode” when 850kg searcher hook is used. Searcher hook position must be displayed on moment limiter boom length window.. -
Page 22: Rated Total Load Chart For Searcher Hook
8.2 RATED TOTAL LOAD CHART FOR SEARCHER HOOK... - Page 23 1. This Rated Total Load Chart shows the maximum allowable capacities. These rated total loads are based on the machine standing level on a firm ground supporting surface, under ideal job conditions and a freely suspended load. 2. Sufficient design tolerance must be used to ensure adequate ground support surface design. The rated total loads are for static conditions only, and do not include dynamic effects of swinging , extending, retracting, lowering, raising, wind or adverse conditions.
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