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OMPHOBBY M4 MAX Instruction Manual
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OMPHOBBY M4 MAX Instruction Manual

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INSTRUCTION MANUAL
revision 0
Thank you for choosing OMPHOBBY products.The M4 MAX is the latest
technology in rotary wing RC models, designed in Germany by Jonas
Wackershauser. Please read this assembly manual carefully before
assembling and flying your new M4 Max helicopter. We recommend that
you keep this manual for future reference.
WWW.OMPHOBBY.COM

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Summary of Contents for OMPHOBBY M4 MAX

  • Page 1 INSTRUCTION MANUAL revision 0 Thank you for choosing OMPHOBBY products.The M4 MAX is the latest technology in rotary wing RC models, designed in Germany by Jonas Wackershauser. Please read this assembly manual carefully before assembling and flying your new M4 Max helicopter. We recommend that you keep this manual for future reference.
  • Page 2 OMPHOBBY products. Manufacturer and seller assume no liability for the operation or the use of this product. The OMPHOBBY M4 MAX is intended for use only by adults with experience flying remote control helicopters at a legal flying field.
  • Page 3 R/C models are made of various forms of plastics. Plastic is very susceptible to damage or deformation due to extreme heat and cold. Make sure not to store the model near any source of heat, such as direct, strong sunlight or a heater. It is best to store the model indoors, in a climate-controlled, room-temperature environment. 遥控飞机多半是以 纤维或聚乙烯、电子商品为主要材质，因此要尽量远离热源、日照、以避免因高温而变形甚至熔毁损坏的可能。 WWW.OMPHOBBY.COM...
  • Page 4 When you see the marks as below, please use glue or grease to ensure flying safety. 标有以下符号之组装步骤，请配合上胶或上油，以确保使用之可靠度。 Apply Threadlocker Apply Petroleum-Based, Loosely Tighten 使用螺丝胶 Light Viscosity Lube 普通拧紧 添加润滑油 Apply Synthetic Fully Tighten Apply NO Threadlock 无需使用螺丝胶 完全拧紧 Grease 添加润滑油脂 Apply MEDIUM CA Repeat Multiple Times Use AB glue 使用瞬间胶固定 重复多次 使用 AB 胶 WWW.OMPHOBBY.COM...
  • Page 5 高度紧凑的飞行力学设计 Highly compact flight mechanics design 碳纤维和铝机身轻量化设计 Lightweight carbon fiber and aluminium airframe design 流线型低风阻机头罩设计 Streamlined low wind resistance canopy design XT60连接器框架安装，便于电池连接 Frame mounted XT60 connector for easy battery connection Open frame design for easy wiring and serviceability 开放式框架设计，便于接线和维护 WWW.OMPHOBBY.COM...
  • Page 6 Tail servo mount set ( × 2) CAUTION 注意 ※ The M4 Max can be equipped with the The maximum height of the tail servo, including servo DS2312T micro servo, and the ball head screw arm, must be less than 40. 0mm. When the tail servo...
  • Page 7 85A ESC ( × 1) Strap ( × 2) M4-201 Countersunk head Socket cap screw Battery mounting rail (×1) X Main Frame (left) (×1) X Main Frame (right) (×1) hexagon socket screw M2.5x5mm ( × 2) M2 .5 x6mm ( × 2) WWW.OMPHOBBY.COM...

  • Page 8: Motor Assembly

    Socket cap screw M2.5x15mm ( × 1) pulley flange carbon Nyloc Nut M2.5 ( × 1) 10x0.2mm ( × 1) plates are recessed one Shim ∅ ∅ Main Pulley ( × 1) Square Brace ( × 1) side to suit countersunk screws. WWW.OMPHOBBY.COM...
  • Page 9 These four screw holes are reserved for installation of the the motor roll bars in a later step. M4X-204 Socket cap screw Main Plate (×1) M2.5x10mm ( × 4) Socket cap screw Socket cap screw M2.5x5mm ( × 4) M3x14mm ( × 3) WWW.OMPHOBBY.COM...
  • Page 10 M2.5x12mm ( × 2) Socket cap screw M2.5x10mm ( × 2) Canopy support Socket cap screw Canopy support ( × 1) X Landing gear ( × 1) M2.5x12mm ( × 2) brace ( × 1) Put note that heat shrink is preinstalled WWW.OMPHOBBY.COM...
  • Page 11 10x3mm ( × 2) ∅ ∅ (Already installed with retaining compound) Tail Slider Sleeve ( × 1) ※ The tail slider comes pre-assembled (Already installed with retaining compound) with thread locker from the factory, there is no need to disassemble it again. WWW.OMPHOBBY.COM...
  • Page 12 X Tail Fin ( × 1) X Tail Rotor Shaft ( × 1) X tail boom long Socket cap screw washer ( × 1) M2.5x5mm ( × 6) Tail Slider Ring Set ( × 1) WWW.OMPHOBBY.COM...
  • Page 13 (Items are shipped pre-lubricated) Shim Bearing 4.5x0.2mm ( × 2 ) ∅ ∅ 6x2.5mm ( × 4) ∅ ∅ (Already installed with retaining compound) X Tail Rotor Blade Grip ( × 2) Inner Dia. : Large Inner Dia. : Small WWW.OMPHOBBY.COM...

  • Page 14: Tail Rotor Assembly

    ※ Note: The round screw head seat must face outward M4X-302 Tail Blade Grip Set ( × 1) ( × 2) Tail Bellcrank Pin Tail Damper Shim Tail Rubber Damper Shore Φ3xΦ5.5x0.6mm ( × 2) Φ3xΦ6x3mm ( × 2) WWW.OMPHOBBY.COM...
  • Page 15 Use sand paper on the rod ends to roughen them and make insertion into the joint easier. ※ Here to put on some grease onto the rubber ring for easier installation. ※ After the tail belt is tensioned, tighten the two clamping screws left loose in step 2-2 to secure the boom in place WWW.OMPHOBBY.COM...

  • Page 16: Swashplate Assembly

    27x4mm ( × 1) ∅ ∅ M2.5x8mm ( × 1) (Already installed with retaining compound) Swashplate Connector ( × 1) Socket cap screw M2x4mm ( × 7) Shim Socket cap screw M2.5x6mm ( × 4) 4.3x0.5mm ( × 3 ) ∅ ∅ WWW.OMPHOBBY.COM...
  • Page 17 Main Rotor Rubber Damper Shim 10x8 ( × 2 ) Shore ∅ ∅ 6.5x0.5mm ( × 2 ) ∅ ∅ ※ Socket cap screw The stepped side of the shim faces M2x16mm (× 2) outwards toward the blade grip. WWW.OMPHOBBY.COM...
  • Page 18 Countersunk head hexagon Socket cap screw M2.5 Nylon locknut ( × 1) Main rotor hub linkage ( × 2) M2.5x15mm ( × 1) M3x3mm ( × 2) socket screw ( × 4) 4.5mm linkage Ball Joint Set M2x6mm ( × 2) WWW.OMPHOBBY.COM...
  • Page 19 This washer is only required for 2.6mm M4X-71mm tail root blade, such as RT-71, as well as the blade ( × 2) OMPHOBBY 71mm tail blades. RT-72 don’t require these. ※ Please make sure to only use precisely balanced tail rotor blades from reputable manufacturers.

  • Page 20: Canopy Installation

    ( × 1) FC Mounting Pad M4X-404 Damping sticker ( × 1) FC ( × 1) allation Canopy Installation Canopy ( × 1) M4X-405 Canopy Rubber ( × 2) Canopy ( × 1) ( × 2) Grommet Canopy Rubber Grommet WWW.OMPHOBBY.COM...
  • Page 21 3000RPM ±12° Maximum Rotor Speed: 3000RPM Maximum Collective Pitch below 1900RPM: ±16° Maximum Collective Pitch below 2850RPM: ±13° Maximum Collective Pitch above 2850RPM: ±12° Recommended Rotor Blades: RotorTech 420mm Ultimate, OMPHOBBY APEX 420mm. 4000 3500 X 87.5 Y 3000 3000...

  • Page 22: Motor Specifications

    Socket cap screw M2.5x6mm Socket cap screw M2.5x8mm Socket cap screw M2.5x10mm Screw Countersunk head hexagon socket screw M2x3mm Countersunk head hexagon socket screw M2.5x5mm Washers Φ2xΦ4.3x0.5mm Washers Φ2xΦ8x0.2mm Washers Φ3xΦ4.5x0.2mm Washers Washers Φ5xΦ6x0.5mm Washers Φ2xΦ3.2x0.5mm Washers Φ8.05xΦ10x0.2mm Motor specifications WWW.OMPHOBBY.COM...

  • Page 23: Wire Connections

    Servo & Motor Spec 舵机与电机参数 Servo Spec OMPHOBBY M4 Micro Tail Servo OMPHOBBY M4 Max Mini Tail Servo Model 2312T 4.8V-8.4V Model 3515T 4.8V-8.4V Operating Voltage： Operating Voltage： 500-1000us Max Freq： PWM max.560Hz 500-1000us Max Freq： PWM max.560Hz Working pulse length：...
  • Page 24 配件名称 : X 尾管固定座（黑色） 配件名称 : X 尾管固定座凸（黑色） Socket cap screw M2.5x5mm (×4) Socket cap screw M2.5x5mm (×4) Countersunk head hexagon Socket cap screw M2.5x8mm (×4) Socket cap screw M2.5x8mm (×1) Socket cap screw M2.5x8mm (×1) socket screw M2.5x5mm (×2) WWW.OMPHOBBY.COM...
  • Page 25 配件名称 : X 尾同步滑轮（黑色） 配件名称 : X 尾舵机连杆支撑座 配件名称 : X 尾舵机连杆组 4.5 linkage ball set ( M2.5 ) ( × 2) Self-tapping screws Socket cap screw M2x6mm ( × 2) Screw M2x10.5mm ( × 1) M2x6mm ( × 1) WWW.OMPHOBBY.COM...
  • Page 26 配件编号 : OSHM4X020 配件编号 : OSHM4X021 配件编号 : OSHM4X032 Product name: Tail Spindle Shaft Product name: X Timing Belt Product name: 420mm Main blade Product name: X OMPHOBBY 71mm Tail blade 配件名称 : 尾中心座轴组 配件名称 : 配件名称 : 420 主旋翼...
  • Page 27 Product name: Socket cap screw M2.5x8mm Product name: Socket cap screw(Thread length 4mm) M2x12mm Product name: Socket cap screw M2x16mm 配件名称 : 圆柱头内六角螺丝 M2x6mm 配件名称 : 圆柱头内六角螺丝（半牙） M2.5x8mm 配件名称 : 圆柱头内六角螺丝 ( 螺纹长 4mm) M2x12mm 配件名称 : 圆柱头内六角螺丝 M2x16mm WWW.OMPHOBBY.COM...
  • Page 28 Product name: Washers (Swashplate Driver Arm) 配件名称 : 法兰轴承 Ø5xØ13x4mm 配件名称 : 轴承 Ø20xØ27x4mm 配件名称 : 垫片 ( 主旋翼夹 ) 配件名称 : 垫片 ( 螺距辅助臂 ) Shim 3.2x0.5mm (×8) ∅ ∅ Shim 6.5x0.5mm (×8) ∅ ∅ Shim 6x0.5mm (×8) ∅ ∅ WWW.OMPHOBBY.COM...
  • Page 29 Product name: Product name: Tail Slider Bridge （ Black ） Product name: Product name: Countersunk head hexagon socket screw M2.5x6mm Tail Slider Sleeve Rod adjustment wrench 配件名称 : 沉头内六角螺丝 M2.5x6mm 配件名称 : 尾部滑块桥（黑色） 配件名称 : 尾部滑块套筒 配件名称 : 拉杆调平扳手 WWW.OMPHOBBY.COM...
  • Page 30 Product name: X Aluminum Tube Mounting Pad （ POM ） Product name: Self-tapping screws M2x6mm 圆柱头内六角自攻牙 M2x6 配件名称 : 配件名称 : X 铝尾管固定座（黑色） 配件名称 : X 铝管固定座胶垫（ POM ） Socket cap screw M2.5x5mm (×4) Socket cap screw M2.5x8mm (×1) X Aluminum Tube Mounting Pad （ POM ） WWW.OMPHOBBY.COM...
  • Page 31 Zhuhai edge smart drive technology Co., Ltd www.omphobby.com 2023...