Maeda MC174 Operator's Manual
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Maeda MC174 Operator's Manual

300kg - searcher hook
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OPERATOR MANUAL
MAEDA MC174
300KG - 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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Summary of Contents for Maeda MC174

  • Page 1 OPERATOR MANUAL MAEDA MC174 300KG - 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...

  • 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. NAMES OF MOMENT LIMITER DISPLAY UNIT 6. OPERATION 7. INSPECTION AND MAINTENANCE 7.1 LEGAL INSPECTION 7.2 CONSUMABLES 7.3 INSPECTION AND MAINTENANCE LIST 7.4 MAINTENANCE PROCEDURES 7.4.1 INSPECTION BEFORE OPERATION 8.

  • Page 3: Introduction

    • Keep this manual handy for reference when necessary. • Should you lose or damage this manual, contact Maeda or our sales service agency immediately for ordering a new 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 - 3 -...
  • Page 6 ② 101-4608700 ① 102-4608500 ③ 101-3327300 ④ 101-4609300 - 4 -...

  • Page 7: Searcher Hook Each Section

    4. Searcher Hook Each Section (1) Hook (5) Snap pin (2) E-Boom (6) Hex. head bolt (3) Bracket (7) High tension washer (4) Position pin (8) Hex. head nut - 5 -...
  • Page 8 (9) Moment limiter Display unit (10) Boom lift bypass switch - 6 -...

  • Page 9: Names Of Moment Limiter Display Unit

    5. NAMES OF MOMENT LIMITER DISPLAY UNIT (1) Boom angle display (15) Boom angle upper limit switch (2) Lifting height display (16) Outrigger MIN. extension LED (Orange) (3) Boom length display (17) Outrigger MID. extension LED (Orange) (4) Boom lifting height upper limit LED (Red) Not in use MC-174C.
  • Page 10 [1] DESCRIPTIONS OF SWITCHES ON MOMENT LIMITER DISPLAY UNIT CAUTION Refer “ Moment Limiter (Overload Detector) in the MC-174C Operation Manual page 3-16 ” section for switches other than the “WIRE FALLS SELECTOR SWITCH AND WIRE AND WIRE FALLS DISPLAY LED” shown in the next section. 1.

  • Page 11: Operation

    6. Operation in the MC-174C Operation Manual, 1. See “Outrigger Setting page 3-68 ” and set the outrigger. 2. Fasten searcher bracket (3) to main-boom using 4 sets of M12 bolts and nuts. Tighten the bolts with torque wrench (B) then to torque of 93Nm [±13Nm].
  • Page 12 6. Insert the position pin (4) through the hole of bracket (3), and ＸＡＭ２９０５０ 新規 secure it with the snap pin (5) to the tip of position pin (4). Always secure the position pin (4) with the snap pin (5). If the snap pin falls out during operations, serious injury or damage to the machine may result.

  • Page 13: Inspection And Maintenance

    5. Verify that the boom operates properly by stopping, extending, retracting, raising, lowering and swinging the boom. Contact Maeda or a Maeda sales service agency to request inspection and repair service as needed. 7.2 Consumables Parts for mounting searcher hook are consumption articles. Replace it at periodic inspection or before it reaches abrasion limits.

  • Page 14: 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 the first work every day. [1] CHECKING BOOM AND FRAME • Check each part of the boom and frame for cracks, excessive deformation, contamination and other damage.
  • Page 15 6. Operate the crane until the moment limiter display indicates the boom length is "2.9 m" (booms (1) + (2)) and boom angle is "55.5 degrees", then measure the "boom angle" and "working radius. If the measured value(s) differ from the moment limiter display value, contact MAEDA or MAEDA sales agency.

  • Page 16: 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. • Never use the searcher hook and the crane hook simultaneously. 8.1 Working Range Diagram for Searcher Hook - 14 -...

  • Page 17: Rated Total Load Chart For Searcher Hook

    8.2 Rated Total Load Chart for Searcher Hook Rated total load Chart with outrigger extended to maximum 1.830m BOOM 2.965m BOOM 4.205m BOOM 5.445m BOOM Rated Rated Working Working Rated total Working Rated total Working total load total load radius (m) radius (m) load (kg) radius (m)

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