Timberwolf TW 280HB Instruction Manual
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Timberwolf TW 280HB Instruction Manual

(hybrid) wood chipper
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TW 280HB (Hybrid) Wood Chipper
INSTRUCTION MANUAL
(Original Instructions)
C190-0500 - Rev 1.0 EN

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Summary of Contents for Timberwolf TW 280HB

  • Page 1 TW 280HB (Hybrid) Wood Chipper INSTRUCTION MANUAL (Original Instructions) C190-0500 - Rev 1.0 EN...
  • Page 2 Copyright Copyright © 2022 Timberwolf All Rights Reserved. Contains information owned by Timberwolf and/or its affiliates. Do not copy, store, transmit or disclose to any third party without prior written permission from Timberwolf. Other product and company names may be trademarks or registered trademarks of other companies, and...

  • Page 3: Table Of Contents

    TW 280HB (Hybrid) Contents Introduction Thank you for choosing Timberwolf Important Health and Safety Information Warning or Caution Symbols Hazardous Materials Purpose Product Details Specification Location of Parts 2.2.1 Parts Locator 1 2.2.2 Parts Locator 2 2.2.3 Parts Locator 3 2.2.4 Parts Locator 4...

  • Page 4: Parts Locator

    TW 280HB (Hybrid) Hitching to the Towing Vehicle Unhitching from the Towing Vehicle Stabilising the Chipper Operating Instructions Manual Controls No Stress Control Emergency Stopping Discharge Controls Engine Controls Checks Before Starting Starting the Engine Controlling the Engine Speed In-feed and Safety Tests 5.10 Chipping...
  • Page 5 TW 280HB (Hybrid) Engine Servicing Safe Lifting of the Chipper Battery Safety Information Check and Replace Fasteners Change Blades 6.10 Adjust Rotor Drive Belt Tension 6.11 Adjust Hydraulic Pump Drive Belt Tension 6.12 V-Belt Tensioning Procedure 6.13 Change Hydraulic Oil and Filter 6.14 Check Hoses...

  • Page 6: Parts Locator

    TW 280HB (Hybrid) THIS PAGE INTENTIONALLY LEFT BLANK 4/72 C190-0500 - Rev 1.0 EN...

  • Page 7: Introduction

    Timberwolf's policy of regularly reviewing and improving our products may involve major or minor changes to this TW 280HB (Hybrid) or its accessories. Timberwolf reserves the right to make changes at any time without notice and without incurring any obligation.

  • Page 8: Warning Or Caution Symbols

    Ensure potential environmental damage is controlled safely, according to local laws. Purpose The TW 280HB (Hybrid) is designed to chip solid wood material up to 210 mm (8 inches) in diameter and is capable of chipping over 7 tonnes of brushwood per hour. 6/72...

  • Page 9: Product Details

    It shows the locations of the main components of the chipper, lists all the decals used on the machine, and describes the purpose of the various guarding assemblies. Specification The specifications of the TW 280HB (Hybrid) are shown in Table 1. Table 1 - Specifications Overall Height...

  • Page 10: Location Of Parts

    TW 280HB (Hybrid) 2 Product Details Location of Parts 2.2.1 Parts Locator 1 Discharge bucket Light board Roller box guard Reflector (both sides) Lifting eye Control box (both sides) Air intake Feed tray Jockey wheel height adjuster Safety bar Tow head...

  • Page 11: Parts Locator 2

    2 Product Details TW 280HB (Hybrid) 2.2.2 Parts Locator 2 Chipper Control Unit (CCU) Belt tensioner Chip screen Directional Control Valve Cable storage bracket Fuel tank Fuel filter Hydraulic tank Throttle solenoid Prop stand Fuel pump Hydraulic filter In-line fuel filter...
  • Page 12 TW 280HB (Hybrid) 2 Product Details 2.2.3 Parts Locator 3 Fan section (x4) Hydraulic pump pulley Rotor Cutting blade (x2) Rotor pulley Greasing point Drive pulley Top slide Hydraulic pump Control panel 10/72 C190-0500 - Rev 1.0 EN...
  • Page 13 2 Product Details TW 280HB (Hybrid) 2.2.4 Parts Locator 4 Air filter Exhaust Radiator Generator Synchronous Motor (GSM) Exhaust gas cooler Electric cabinet Alternator C190-0500 - Rev 1.0 EN 11/72...

  • Page 14: Tool Box

    Fuse Box 1 (12v) Fuse 20 behind this panel Fuse Box 2 (12v) Relay 10 Fuse Box 3 (48v) Tool Box The TW 280HB (Hybrid) is supplied with a tool box which contains: • Combination spanner (17mm/19mm) • Access cover keys (x2) •...

  • Page 15: Safety Decals

    2 Product Details TW 280HB (Hybrid) Safety Decals Table 2 - Safety Decal Descriptions Pt No Description WARNING - High velocity discharge. Keep clear. 4099 DANGER - Rotating blades. Keep hands and feet out. C192- DANGER - Do not climb into the feed funnel.

  • Page 16: Instruction Decals

    TW 280HB (Hybrid) 2 Product Details Instruction Decals Table 3 - Instruction Decal Descriptions Pt No Description Personal Protective Equipment required. (Section 3.2 " Operator's Personal Protective Equipment (PPE) " on page 19.) WARNING - Failure to maintain brake adjustment will result in damper failure. No warranty 1258 liability will be accepted on this item.
  • Page 17 2 Product Details TW 280HB (Hybrid) Pt No Description P1301 Push to stop. Pull to reset. (Engine.) P1812 Torque blade bolts to 170 Nm (125 ft-lb). C192- Lifting eye maximum weight. 0145 C192- Do not jet wash in this area.

  • Page 18: Model Decals

    Table 4 - Model Decal Descriptions Pt No Description 1363 Timberwolf - Wolf head logo. Guaranteed Sound Power Level. (The maximum amount of acoustic energy emitted by the 2998 machine.) Equivalent Continuous Sound Power Level. (The average amount of acoustic energy an...

  • Page 19: Identification Plate

    Guards Ensure all the guards are correctly fitted during all operations. The guards may only be removed for maintenance. The TW 280HB (Hybrid) has the following fixed guards for protection of the operator, chipper and environment: Roller Box Guard •...
  • Page 20 TW 280HB (Hybrid) 2 Product Details Super Capacitor Cover • Protects the operator from injury due to heat or electric shock. • Protects the Super Capacitors from damage or the ingress of environmental debris. 18/72 C190-0500 - Rev 1.0 EN...

  • Page 21: Safety Notes And Warnings

    TW 280HB (Hybrid) Safety Notes and Warnings Safety Notices Indicates a hazardous situation which, if not avoided, could result in death or serious injury. Indicates a hazardous situation which, if not avoided, could result in moderate injury or damage the machine.

  • Page 22: Basic Woodchipping Safety

    TW 280HB (Hybrid) 3 Safety Notes and Warnings Basic Woodchipping Safety It is the responsibility of the machine operator to carry out a full site Risk Assessment before starting work. This Risk Assessment should consider the following points: MAINTAIN A SAFETY EXCLUSION ZONE around the chipper of at least 10 metres for the general public or employees without adequate protection.

  • Page 23: Operating Safely - You Must

    3 Safety Notes and Warnings TW 280HB (Hybrid) Operating Safely - You MUST YOU MUST stop the chipper engine before adjusting, refuelling or cleaning. YOU MUST check the rotor has stopped rotating and remove the chipper ignition key before maintenance of any kind, or whenever the machine is to be left unattended.

  • Page 24: Operating Safely - You Must Not

    TW 280HB (Hybrid) 3 Safety Notes and Warnings Operating Safely - You MUST  NOT YOU MUST NOT operate the chipper if you are under the influence of any substance (drugs, alcohol) which might impair vision, dexterity or judgement. YOU MUST NOT operate the chipper unless available light is sufficient to see clearly.

  • Page 25: Noise Emissions

    3 Safety Notes and Warnings TW 280HB (Hybrid) Noise Emissions The TW 280HB (Hybrid) has been tested according to BS EN ISO 3744:2010, as required by Annex III of Directive 2000/14/EC “Noise Emission in the Environment by Equipment for Use Outdoors”.
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  • Page 27: Towing And Handling

    TW 280HB (Hybrid) Towing and Handling Safe Transportation DO NOT Ride on the chipper when it is being towed. • When towing a chipper the maximum rated speed is 96 km/h (60 mph). • Always comply with the local speed limits and traffic laws.

  • Page 28: Unhitching From The Towing Vehicle

    TW 280HB (Hybrid) 4 Towing and Handling 11. Wind the jockey wheel anticlockwise until it begins to raise the rear of the towing vehicle. 12. If the tow head fails to raise the rear of the vehicle, but instead moves clear of the ball hitch, repeat from Step 8 to Step 11.

  • Page 29: Stabilising The Chipper

    4 Towing and Handling TW 280HB (Hybrid) Stabilising the Chipper To reduce the risk of accidents, the chipper must be kept in a stable position at all times. Hitched to a vehicle The chipper handbrake should be released. The prop stand and jockey wheel should be stored in the towing position (Figure 2).
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  • Page 31: Operating Instructions

    TW 280HB (Hybrid) Operating Instructions WARNING DO NOT USE OR ATTEMPT TO START THE CHIPPER WITHOUT THE PROTECTIVE GUARDING AND DISCHARGE TUBE SECURELY IN PLACE. FAILURE TO DO SO MAY RESULT IN PERSONAL INJURY OR LOSS OF LIFE. Manual Controls...

  • Page 32: No Stress Control

    With the 'No Stress' function in operation, the rollers may begin to turn again without any warning. Emergency Stopping In an emergency, the TW 280HB (Hybrid) can be stopped using the following method(s): Red Safety Bar Pushing on the Red Safety Bar will immediately stop the feed rollers from rotating.

  • Page 33: Discharge Controls

    5 Operating Instructions TW 280HB (Hybrid) Top and Side Protective Devices Pushing any one of the top or side Protective Devices will immediately stop the feed rollers from rotating. The engine will continue to run and the rotor will continue to turn.

  • Page 34: Engine Controls

    TW 280HB (Hybrid) 5 Operating Instructions Engine Controls On the TW 280HB (Hybrid) the engine controls are located on the control panel, in the centre of the machine, forward of the feed funnel on the left side (Figure 9). They consist of four buttons, for the selection of Start/Stop, Reset and the Speed Selector.

  • Page 35: Starting The Engine

    3. Press the Start button (See Figure 10). Figure 10 - Control Panel Controlling the Engine Speed To enable chipping on the TW 280HB (Hybrid) fast speed must be selected. Press the fast speed (hare) button (Figure 11 If no chipping is to be carried out for more than a few minutes, press the slow speed (tortoise) button (Figure 11, Item 2) to reduce stress on the engine and save fuel.

  • Page 36: In-Feed And Safety Tests

    TW 280HB (Hybrid) 5 Operating Instructions In-feed and Safety Tests Before starting to chip, it is essential that the In-feed and Protective Devices are confirmed to be working. Failure of either safety circuit could prevent the in-feed rollers from being stopped in an emergency, resulting in serious injury or death.

  • Page 37: Chipping

    5 Operating Instructions TW 280HB (Hybrid) the engine should continue to run. • Check that the button operates correctly and cleanly. 11. Reset the Protective Device by turning it to release. • Check that the button resets correctly and cleanly.

  • Page 38: Working In Dusty Conditions

    TW 280HB (Hybrid) 5 Operating Instructions 5.11 Working in Dusty Conditions .Restricted airflow through the radiator may cause the engine to overheat, leading to damage or failure. When working in an environment that produces a lot of dust, the radiator and the front grille should be checked at regular intervals to ensure they remain clear and allow full airflow through the radiator.

  • Page 39: Blade Wear

    5.14 Blade Wear The TW 280HB (Hybrid) has two blades, 158 mm (6 inches) long, hollow ground to a radius of 75mm, and 100 mm wide when new. A new blade will chip for up to 25 hours before requiring sharpening. This will significantly reduce if the machine is fed with stony, sandy or muddy material.

  • Page 40: Check Fuel Level And Refuel

    TW 280HB (Hybrid) 5 Operating Instructions 5.16 Check Fuel Level and Refuel Always follow standard Health and Safety procedures. The fuel level is visible through the side of the tank. To replenish, follow this process: • Stop the engine and allow it to cool before refuelling.

  • Page 41: Troubleshooting

    5 Operating Instructions TW 280HB (Hybrid) 5.17 Troubleshooting Caution - Always ensure appropriate PPE Problem Cause Solution is worn Obstructed Ensure machine is off and keys Clear debris from discharge chute. discharge removed. Tension belts. (Refer to Section Loose drive Ensure machine is off and keys 6.10 "...

  • Page 42: Fault Codes

    5 Operating Instructions 5.18 Fault Codes If a fault occurs on the TW 280HB (Hybrid) one of the MIL will flash in a set sequence. Use the relevant Fault Code Table to determine the correct course of action. 5.18.1 Engine Fault Codes...
  • Page 43 5 Operating Instructions TW 280HB (Hybrid) Flash Fault Name Fault Description Operator Action Pattern Dot - Controller Fault CCU has a fault Press Reset button Dash Fast Access Hatch switch or wiring has a Access Hatch Fault Contact Dealer Flash...
  • Page 44 TW 280HB (Hybrid) 5 Operating Instructions Flash Fault Name Fault Description Operator Action Pattern CCU has detected an overload (wiring Fast Throttle Sol Control Short) on Throttle Solenoid (control) Contact Dealer Flash Overload Output & switched off output CCU has detected an openload (no...

  • Page 45: Hybrid Fault Codes

    5 Operating Instructions TW 280HB (Hybrid) Flash Fault Name Fault Description Operator Action Pattern CCU has detected an openload (no Fast Glow Plug Relay connection) on Glowplug Relay Output Contact Dealer Flash OpenLoad & switched off output CCU has detected an overload (wiring...
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  • Page 47: Maintenance Instructions

    Authorised Timberwolf Ddealers are fully trained in all aspects of total service and maintenance of Timberwolf wood chippers. You are strongly advised to take your chipper to an authorised dealer for all but the most routine maintenance and checks.

  • Page 48: Hybrid Safety

    All safety requirements must be strictly adhered to at all time. Failure to do so may result in the invalidation of the warranty, damage to the TW 280HB (Hybrid), or personal injury. The Super Capacitor cover must not be removed.

  • Page 49: Routine Servicing

    (Refer to Section 6.1 " Safe Maintenance " on page 45 and Section 6.2 " Hybrid Safety " on page 46.) To ensure that your TW 280HB (Hybrid) is always maintained in good working order, checks should be carried out at the specified intervals.

  • Page 50: Engine Servicing

    Failure to adhere to this may invalidate the warranty and/or shorten engine life. Safe Lifting of the Chipper The lifting eye on the TW 280HB (Hybrid) is only designed to lift the machine's weight for loading, unloading, etc. It is NOT designed to support the machine during maintenance activities.

  • Page 51: Battery Safety Information

    6 Maintenance Instructions TW 280HB (Hybrid) Battery Safety Information Warning Notes and Safety Regulations for Filled Lead-Acid Batteries • For safety reasons, Explosion hazard First aid wear eye protection • A highly explosive gas • Rinse off acid splashed when handling a...
  • Page 52 TW 280HB (Hybrid) 6 Maintenance Instructions • Use parts from the replaced battery, such as the terminal covers, elbows, vent pipe connection and terminal holders (where applicable). Use available or supplied filler caps. • Leave at least one vent open, otherwise there is a danger of explosion. This also applies when old batteries are returned.

  • Page 53: Check And Replace Fasteners

    TW 280HB (Hybrid) Check and Replace Fasteners Timberwolf recommend that any nuts or bolts which are disturbed during the course of operation or maintenance should be inspected by the operator for signs of wear or stress. If any doubt exists over the serviceability of the fasteners then they should be replaced with new items to the same specification.

  • Page 54: Change Blades

    TW 280HB (Hybrid) 6 Maintenance Instructions Change Blades WARNING SHARPEN BLADES ON A REGULAR BASIS. FAILURE TO DO SO WILL REDUCE PERFORMANCE, OVERLOAD THE ENGINE AND BEARINGS, AND CAUSE MACHINE BREAKDOWN. BLADES MUST NOT BE SHARPENED BEYOND THE WEAR MARK.
  • Page 55 14. Fit the blade to the rotor using the retaining bolts, washers and Nyloc nuts. The use of genuine Timberwolf blades and bolts is recommended (Figure 22). 15. Tighten the blade bolts to the correct torque setting. (Refer to Section 6.8 " Check and Replace Fasteners "...

  • Page 56: Adjust Rotor Drive Belt Tension

    TW 280HB (Hybrid) 6 Maintenance Instructions 6.10 Adjust Rotor Drive Belt Tension There will normally be a rapid drop in tension during the run-in period for new belts. When new belts are fitted, check the tension every 2 - 3 hours and adjust until the tension remains constant.

  • Page 57: V-Belt Tensioning Procedure

    6 Maintenance Instructions TW 280HB (Hybrid) 6.12 V-Belt Tensioning Procedure Set the deflection distance on the lower scale of the tension gauge so that the underside of the O-ring equals the 'h' value given in Figure 25 (for the rotor drive belts) or Figure 26 (for the hydraulic pump drive belt).
  • Page 58 TW 280HB (Hybrid) 6 Maintenance Instructions Table 8 - Hydraulic Pump Belt Pulleys Engine pulley Pump pulley Table 9 - Hydraulic Pump Belt Specifications TW 280HB (Hybrid) Manufacturer Gates Quad Power Type Pitch Designation Length 925 mm Deflection (h) 2.48 mm New Belt 1.1 - 1.2...

  • Page 59: Change Hydraulic Oil And Filter

    6 Maintenance Instructions TW 280HB (Hybrid) 6.13 Change Hydraulic Oil and Filter Use plastic gloves to keep oil off skin. Dispose of used oil and filter in an ecologically sound way. 1. Ensure the chipper is in a safe condition. (Refer to Section 6.1 " Safe Maintenance "...

  • Page 60: Grease The Discharge Tube Mounting Flanges

    TW 280HB (Hybrid) 6 Maintenance Instructions 6.15 Grease the Discharge Tube Mounting Flanges 1. Ensure the chipper is in a safe condition. (Refer to Section 6.1 " Safe Maintenance " on page 45.) 2. Remove the discharge tube. 3. Remove all traces of old grease and dirt from the discharge tube flange and the mounting flange (Figure 28).

  • Page 61: Grease The Roller Splines And Rotor Bearings

    6 Maintenance Instructions TW 280HB (Hybrid) 6.17 Grease the Roller Splines and Rotor Bearings Carry out regularly. In dirty or dusty conditions, or during periods of hard work, at least daily. If the bearings and splines are allowed to run dry, premature wear will occur, resulting in a breakdown and the need for replacement parts.
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  • Page 63: Electrical System

    7 Electrical System TW 280HB (Hybrid) Electrical System Fuses and Relays - 12v Fuses and Relays are NOT interchangeable between the 12v and 48v Fuse Boxes. The 12v Fuses and Relays are contained within two Fuse Boxes mounted above the CCU.

  • Page 64: Fuses And Relays - 48V

    Key / Pre-charge Spare Spare 10 A Bleed Resistor 48v Key Input Hi Side Pre-charge Resistor Bleed Resistor If you have an electrical issue with your TW 280HB (Hybrid) please contact your nearest authorised Timberwolf dealer. 62/72 C190-0500 - Rev 1.0 EN...

  • Page 65: Hydraulic System

    8 Hydraulic System TW 280HB (Hybrid) Hydraulic System C190-0500 - Rev 1.0 EN 63/72...
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  • Page 67: Storage

    TW 280HB (Hybrid) Storage Preparing for Storage 1. For long storage periods, allow the full recharge process to complete when stopping the machine. 2. Allow the engine to cool down completely. 3. Clean the chipper, removing all wood chips. 4. Apply fresh grease (Section 6.15 " Grease the Discharge Tube Mounting Flanges " on page 58, Section 6.16 "...

  • Page 68: 12-Monthly Storage Checks

    TW 280HB (Hybrid) 9 Storage 12-Monthly Storage Checks 1. Refer to Section 9.4 " 6-Monthly Storage Checks " on page 65, and complete all the checks. 2. Inspect the bearing lubrication system for the presence of water. If water is detected, flush out the bearing housing and re-lubricate immediately.

  • Page 69: Dismantling And Disposal

    • Do not burn discarded materials. • Change the machinery records to show that the machine is out of service and discarded. Supply the machine serial number to Timberwolf to close their records. C190-0500 - Rev 1.0 EN 67/72...
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  • Page 71: Declaration Of Conformity

    11 Declaration of Conformity TW 280HB (Hybrid) Declaration of Conformity C190-0500 - Rev 1.0 EN 69/72...
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  • Page 73: Notes

    12 Notes TW 280HB (Hybrid) Notes C190-0500 - Rev 1.0 EN 71/72...
  • Page 74 C190-0500 - Rev 1.0 EN...

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