Timberwolf TW 280HB User manual

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

Published on: 01/09/2022
Document ID: C190-0500 - Revision 1.0
Contact address
Timberwolf Ltd
Entec House
Tomo Industrial Estate
Stowmarket
Suffolk
IP14 5AY
United Kingdom
Website
.
English timberwolf-uk.com
French timberwolf.fr
German timberwolf-hacksler.de
Dutch timberwolf-houtversnipperaar.nl
Australian timberwolfchippers.com.au
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
are the property of their owners. They are used only for explanation, without intent to infringe.

C190-0500 - Rev 1.0 EN 1/72
Contents
1 Introduction 5
1.1 Thank you for choosing Timberwolf 5
1.2 Important Health and Safety Information 5
1.3 Warning or Caution Symbols 6
1.4 Hazardous Materials 6
1.5 Purpose 6
2 Product Details 7
2.1 Specification 7
2.2 Location of Parts 8
2.2.1 Parts Locator 1 8
2.2.2 Parts Locator 2 9
2.2.3 Parts Locator 3 10
2.2.4 Parts Locator 4 11
2.2.5 Parts Locator 5 12
2.3 Tool Box 12
2.4 Safety Decals 13
2.5 Instruction Decals 14
2.6 Model Decals 16
2.7 Identification Plate 17
2.8 Guards 17
3 Safety Notes and Warnings 19
3.1 Safety Notices 19
3.2 Operator's Personal Protective Equipment (PPE) 19
3.3 Basic Woodchipping Safety 20
3.4 Operating Safely - You MUST 21
3.5 Operating Safely - You MUSTNOT 22
3.6 Noise Emissions 23
4 Towing and Handling 25
4.1 Safe Transportation 25
TW 280HB (Hybrid)

4.2 Hitching to the Towing Vehicle 25
4.3 Unhitching from the Towing Vehicle 26
4.4 Stabilising the Chipper 27
5 Operating Instructions 29
5.1 Manual Controls 29
5.2 No Stress Control 30
5.3 Emergency Stopping 30
5.4 Discharge Controls 31
5.5 Engine Controls 32
5.6 Checks Before Starting 32
5.7 Starting the Engine 33
5.8 Controlling the Engine Speed 33
5.9 In-feed and Safety Tests 34
5.10 Chipping 35
5.11 Working in Dusty Conditions 36
5.12 Stopping the Engine 36
5.13 Blockages 36
5.14 Blade Wear 37
5.15 Check Hydraulic Oil Level 37
5.16 Check Fuel Level and Refuel 38
5.17 Troubleshooting 39
5.18 Fault Codes 40
5.18.1 Engine Fault Codes 40
5.18.2 Wood Chipper Fault Codes 40
5.18.3 Hybrid Fault Codes 43
6 Maintenance Instructions 45
6.1 Safe Maintenance 45
6.2 Hybrid Safety 46
6.2.1 Super Capacitors 46
6.3 Routine Servicing 47
6.3.1 Daily Servicing 47
6.4 Spares 47
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6.5 Engine Servicing 48
6.6 Safe Lifting of the Chipper 48
6.7 Battery Safety Information 49
6.8 Check and Replace Fasteners 51
6.9 Change Blades 52
6.10 Adjust Rotor Drive Belt Tension 54
6.11 Adjust Hydraulic Pump Drive Belt Tension 54
6.12 V-Belt Tensioning Procedure 55
6.13 Change Hydraulic Oil and Filter 57
6.14 Check Hoses 57
6.15 Grease the Discharge Tube Mounting Flanges 58
6.16 Grease the Roller Box Slides 58
6.17 Grease the Roller Splines and Rotor Bearings 59
7 Electrical System 61
7.1 Fuses and Relays - 12v 61
7.2 Fuses and Relays - 48v 62
8 Hydraulic System 63
9 Storage 65
9.1 Preparing for Storage 65
9.2 Storage Conditions 65
9.3 3-Monthly Storage Checks 65
9.4 6-Monthly Storage Checks 65
9.5 12-Monthly Storage Checks 66
9.6 Recommissioning after Storage 66
10 Dismantling and Disposal 67
11 Declaration of Conformity 69
12 Notes 71
TW 280HB (Hybrid)

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1 Introduction
1.1 Thank you for choosing Timberwolf
Timberwolf wood chippers are designed to give safe and dependable service if operated
in accordance with the instructions.
This manual should be considered an important part of the machine and should
remain with it if the machine is resold.
This manual covers the operation and maintenance of the Timberwolf TW 280HB
(Hybrid). All information in this manual is based on the latest product information
available at the time of purchase.
All the information you need to operate the machine safely and effectively is contained
within this manual.
Ensure that all operators are properly trained for operating the TW 280HB (Hybrid),
especially in safe working practices.
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.
Due to improvements in design and performance during production, there may be, in
some cases, minor discrepancies between the actual TW 280HB (Hybrid) and the text in
this manual.
All TW 280HB (Hybrid) chippers have a full pre-delivery inspection before leaving the
factory and are ready to use.
1.2 Important Health and Safety Information
Before using your new chipper, please take time to read this manual. Failure to do so
could result in:
• personal injury.
• equipment damage.
• damage to property.
• 3rd party injuries.
TW 280HB (Hybrid)

1.3 Warning or Caution Symbols
Be aware of these symbols and where shown, carefully follow the instructions.
These symbols indicate important safety messages in this manual. When you see these
symbols, be alert to the possibility of injury to yourself or others and carefully read the
message that follows.
Always follow safe operating and maintenance practices.
1.4 Hazardous Materials
The following hazardous materials are present within the TW 280HB (Hybrid):
• Engine oil • Battery acid • Diesel
• Grease • Hydraulic oil • Copper Ease
• Loctite • Coolant • Magnets
(Environmental
impact only)
• High density electronic components
MATERIAL SAFETY DATA SHEETS FOR THESE HAZARDOUS MATERIALS ARE
AVAILABLE ON REQUEST. REFER TO THESE FOR FIRST AID AND FIRE
PROTECTION MEASURES.
Always follow recommended procedures for safe handling, removal and disposal of
hazardous materials. Safety precautions should be taken when handling hazardous
materials. The use of oil-resistant gloves and safety glasses is recommended. Avoid
direct contact with the substance. Store in a cool, well ventilated area. Avoid sources of
ignition, strong oxidising agents and strong acids. Ensure hazardous spillages do not
flow into the ground or drainage system. Ensure potential environmental damage is
controlled safely, according to local laws.
1.5 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.
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2 Product Details
This chapter contains the specifications of the TW 280HB (Hybrid).
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.
2.1 Specification
The specifications of the TW 280HB (Hybrid) are shown in Table 1.
Overall Height 2304 mm
Height with Discharge Tube Removed 1612 mm
Overall Length 3862 mm
Length with Feed Tray Folded 3332 mm
Width 1653 mm
Overall Weight 1270 Kg
Engine Type Kubota 3-cylinder turbo-diesel
Maximum Power 46 kW (62 hp)
Cooling Method Water cooled
Starting Method Electric
Roller feed Twin series hydraulic motors
Maximum Material Diameter 210 mm (8 inches)
Fuel Capacity 36 litres
Hydraulic Oil Capacity 15 litres
Fuel Type Diesel
Table 1 - Specifications
TW 280HB (Hybrid)

2.2 Location of Parts
2.2.1 Parts Locator 1
1 Discharge bucket 12 Light board
2 Roller box guard 13 Reflector (both sides)
3 Lifting eye 14 Control box (both sides)
4 Air intake 15 Feed tray
5 Jockey wheel height adjuster 16 Safety bar
6 Tow head 17 In-feed funnel
7 Engine bay side panels (both sides) 18 Manual canister
8 Rotor housing 19 Protective Devices
9 Reflectors (both sides) 20 Discharge tube clamp
10 Rotor housing blade access hatch 21 Super Capacitors cover
11 Hydraulic motor guard 22 Engine Stop Switch
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2.2.2 Parts Locator 2
1 Chipper Control Unit (CCU) 9 Belt tensioner
2 Chip screen 10 Directional Control Valve
3 Cable storage bracket 11 Fuel tank
4 Fuel filter 12 Hydraulic tank
5 Throttle solenoid 13 Prop stand
6 Fuel pump 14 Hydraulic filter
7 In-line fuel filter 15 12v battery
8 Drive belts
2 Product Details TW 280HB (Hybrid)

2.2.3 Parts Locator 3
1 Fan section (x4) 6 Hydraulic pump pulley
2 Rotor 7 Cutting blade (x2)
3 Rotor pulley 8 Greasing point
4 Drive pulley 9 Top slide
5 Hydraulic pump 10 Control panel
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2.2.4 Parts Locator 4
1 Air filter 5 Exhaust
2 Radiator 6 Generator Synchronous Motor (GSM)
3 Exhaust gas cooler 7 Electric cabinet
4 Alternator
2 Product Details TW 280HB (Hybrid)

2.2.5 Parts Locator 5
1 Fuse Box 1 (12v) 4 Fuse 20 behind this panel
2 Fuse Box 2 (12v) 5 Relay 10
3 Fuse Box 3 (48v)
2.3 Tool Box
The TW 280HB (Hybrid) is supplied with a tool box which contains:
• Combination spanner (17mm/19mm) • Access cover keys (x2)
• Rotor locking tool • Machine keys (x2)
• Copper Ease • Keyring
• Tow hitch lock keys (x2)
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2.4 Safety Decals
Pt No Description
617 WARNING - High velocity discharge. Keep clear.
4099 DANGER - Rotating blades. Keep hands and feet out.
C192-
0102 DANGER - Do not climb into the feed funnel.
C192-
0112
Fuel here. Risk of fire. Allow engine to cool for one minute before refuelling. Use diesel fuel
only.
C192-
0308 WARNING - Risk of electric shock.
P637 DANGER - Do not operate without this cover in place.
P650 DANGER - Autofeed system fitted. Rollers may turn without warning. When the engine is
switched off the rollers will turn during the run down period.
P653 DANGER - Rotating blades inside. Stop engine and remove key before removing discharge
unit.
P654 CAUTION - When transporting, discharge clamps may work loose. Check frequently.
P655 CAUTION - Avoid standing directly in front of feed funnel to reduce exposure to noise, dust
and risk from ejected material.
P656 DANGER - Do not use this machine without the discharge unit fitted. Failure to comply may
result in serious injury or damage.
P3611 DANGER - Rotating blades. Keep hands and feet out.
Table 2 - Safety Decal Descriptions
2 Product Details TW 280HB (Hybrid)

2.5 Instruction Decals
Pt No Description
670 Personal Protective Equipment required. (Section 3.2 "
Operator's Personal Protective
Equipment (PPE) " on page 19.)
1258 WARNING - Failure to maintain brake adjustment will result in damper failure. No warranty
liability will be accepted on this item.
1399 Push safety bar to stop.
1661 Refer to the instruction manual for greasing and maintenance information.
1662
The instruction manual with this machine contains important operating, maintenance and
health and safety information. Failure to follow the information in this instruction manual may
lead to death or serious injury.
2800 Reverse feed.
2801 Forward feed.
2949
Lifting eye is designed to lift the machine's weight only. Do not use hoist on lifting eye. Use
correctly rated safety shackle only through lifting eye. Lifting eye to be inspected every 6
months and prior to each use. Do not use lifting eye if damaged.
3022 Clean under blades before refitting or turning. Failure to do so may result in blades coming
loose and damage being caused to the rotor housing.
18393 New drive belts need re-tensioning. When new belts are fitted check tension every 2-3 hours
and adjust until tension remains constant.
P652 CAUTION -Do not put road sweepings in machine as grit will damage blades.
P691 Do not pull here.
Table 3 - Instruction Decal Descriptions
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Pt No Description
P1301 Push to stop. Pull to reset. (Engine.)
P1812 Torque blade bolts to 170 Nm (125 ft-lb).
C192-
0145 Lifting eye maximum weight.
C192-
0180 Do not jet wash in this area.
C192-
0303 Engine control panel.
2 Product Details TW 280HB (Hybrid)

2.6 Model Decals
Pt No Description
1363 Timberwolf - Wolf head logo.
2998 Guaranteed Sound Power Level. (The maximum amount of acoustic energy emitted by the
machine.)
C192-
0147
Equivalent Continuous Sound Power Level. (The average amount of acoustic energy an
operator is subjected to during normal operations.)
C192-
0201 Made in Britain
C192-
0293 Timberwolf - Left side panel.
C192-
0294 Timberwolf - Right side panel.
C192-
0295 Hybrid power.
C192-
0310 Diesel Fuel
C192-
0311 Electrical voltage - 12 volts
C192-
0312 Electrical voltage - 48 volts
Table 4 - Model Decal Descriptions
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2.7 Identification Plate
The Timberwolf TW 280HB (Hybrid) Identification Plate is mounted on the front outer
face of the right-hand chassis beam. It includes the unique machine Serial Number.
2.8 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
• Protects the rotor housing from damage or foreign matter.
• Protects the operator from injuries from moving rollers or from ejected material
during operation.
Hydraulic Motor Guard
• Protects the hydraulic motors from damage.
• Protects the operator from injuries due to heat or movement of the motor.
Rotor Housing Blade Access
• Protects the operator from rotating parts (e.g. cutting blades).
• The interlocking switch prevents the engine from running when the hatch is
opened, to stop the chipper from rotating.
Engine Bay Side Panels
• Protect the operator from moving parts (e.g. belts and pulleys), hot surfaces and
engine fluids.
• Protect the chipper from ingress of environmental debris.
Electrical Cabinet Cover
• Protects the operator from injury due to heat or electric shock.
• Protects the electrical components from damage or the ingress of environmental
debris.
2 Product Details TW 280HB (Hybrid)

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.
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