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Summary of Contents for FORST ST6P
- Page 1 OPERATOR AND MAINTENANCE MANUAL...
- Page 2 The English language is used for the original instructions. Other languages are a translation of the original instructions. (Directive 2006/42/EC)
- Page 3 Redwood Global Ltd -ST6PHD Operator and Maintenance Manual Published on: 27/09/2022 Document ID: 12-00-037 Document version: v1.0 DISCLAIMER This manual has been written by Redwood Global Ltd, to detail the safe operation and maintenance of the Först machine. This document provides information on the design of the product, procedures for routine maintenance, servicing, operating instructions and offers a troubleshooting guide to follow in the event of an unexpected occurrence.
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Page 4: Table Of Contents
Redwood Global Ltd - ST6PHD Operator and Maintenance Manual CONTENTS Preface Description of the user Purpose of these instructions Conventions in this document Left-hand and right-hand side Obtaining documentation and information Chapter 1: Machine Overview 1.1 Intended use 1.2 Technical data 1.3 Exterior components 1.4 Engine compartment overview 1.5 Chipping chamber overview... - Page 5 Redwood Global Ltd -ST6PHD Operator and Maintenance Manual Chapter 3: Transportation and storage 3.1 Connecting to the tow vehicle 3.2 Towing the machine 3.3 Disconnecting from the tow vehicle 3.4 Machine lifting 3.5 Removing the discharge chute 3.6 Storage 3.6.1 Preparing the machine for storage 3.6.2 Put into storage 3.6.3 During storage 3.6.4 Take out of storage...
- Page 6 Redwood Global Ltd - ST6PHD Operator and Maintenance Manual 5.15 Draining the Hydraulic Oil 5.16 Battery 5.16.1 First aid 5.16.2 Going into long term storage 5.16.3 Replacing the battery 5.16.4 Charging the battery 5.16.5 Jump starting the battery 5.17 Oils, fluids and lubricants 5.18 Fastener tightening torques 5.19 Tools and accessories 5.20 Service schedule...
- Page 7 Redwood Global Ltd -ST6PHD Operator and Maintenance Manual FIGURES Figure 1 - Left hand and right hand side Figure 2 - Dimensions Figure 3 - Exterior components, right-hand side view Figure 4 - Exterior components, left-hand side view Figure 5 - Engine left-hand side Figure 6 - Engine right-hand side Figure 7 - Chipping chamber Figure 8 - Feed roller controls...
- Page 8 Redwood Global Ltd - ST6PHD Operator and Maintenance Manual Figure 35 - Key in the ON position Figure 36 - Key in the engine crank position Figure 37 - Maximum throttle position Figure 38 - Feed roller controls Figure 39 - Feed roller speed adjustment Figure 40 - Idle Figure 41 - Key in the OFF position Figure 42 - Pushing the flywheel away from you...
- Page 9 Redwood Global Ltd -ST6PHD Operator and Maintenance Manual Figure 73 - Battery terminals Figure 74 - Jump start 12-00-037 v1.0...
- Page 10 Redwood Global Ltd - ST6PHD Operator and Maintenance Manual TABLES Table 1 - Technical data Table 2 - Safety and function test Table 3 - Daily checks Table 4 - Weekly checks Table 5 - Shim part numbers Table 6 - Oils, fluids and lubricants Table 7 - Torque settings Table 8 - Tools and accessories Table 9 - Service schedule...
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Page 11: Preface
Operator and Maintenance Manual PREFACE DESCRIPTION OF THE USER These instructions are intended for the end-user of the ST6P. The end-user can be described as each person who interacts directly with the machine. The end-user typically includes, but is not limited to: ... -
Page 12: Purpose Of These Instructions
Redwood Global Ltd - ST6PHD Preface Operator and Maintenance Manual PURPOSE OF THESE INSTRUCTIONS Thank you for purchasing / hiring this Redwood Global Ltd, Först wood chipping machine. The purpose of this document is to make you familiar with the operation and maintenance of the machine, so that you can safely operate it as an end-user. -
Page 13: Conventions In This Document
Redwood Global Ltd -ST6PHD Preface Operator and Maintenance Manual CONVENTIONS IN THIS DOCUMENT This document uses the following safety notices and tips: DANGER Indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING Indicates a hazardous situation which, if not avoided, could result in serious injury. -
Page 14: Left-Hand And Right-Hand Side
In this manual "left-hand" and "right-hand" mean your left and right when you are standing facing forward, feeding material into the machine. Figure 1 - Left hand and right hand side OBTAINING DOCUMENTATION AND INFORMATION The latest version of the documentation is available at the following address: https://forstglobal.com/my-forst/manuals 12-00-037 v1.0... -
Page 15: Chapter 1: Machine Overview
CHAPTER 1: MACHINE OVERVIEW In this chapter: 1.1 Intended use 1.2 Technical data 1.3 Exterior components 1.4 Engine compartment overview 1.5 Chipping chamber overview 1.6 Autointelligence system 1.7 Feed roller controls 1.8 Control panel 1.9 Emergency stop buttons 1.10 Control Screen 1.10.1 Button Functions 1.10.2 Navigation 1.10.3 Home screen... -
Page 16: Intended Use
Operator and Maintenance Manual 1.1 INTENDED USE The Först ST6P is designed to reduce wood material up to 150mm (6 inch) wide in diameter to woodchip. This machine is capable of processing up to 5 tons of wood per hour. -
Page 17: Technical Data
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.2 TECHNICAL DATA Figure 2 - Dimensions Table 1 - Technical data Technical Data ST6P Part number 24-A-031 Weight Overall weight 850kg Engine Engine Type Briggs Vanguard V twin EFI Maximum Power 29.8kW (40hp) - Page 18 Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual Technical Data ST6P Electrical System Voltage 12V DC Negative Earth Battery 063 44Ah Rollers Roller Feed Twin series hydraulic motors Material Processing Maximum Material Diameter 150mm Material Processing Capacity...
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Page 19: Exterior Components
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.3 EXTERIOR COMPONENTS Below are the components located on the right hand side of the machine: 1 Prop stand Breakaway cable 2 Fuel tank Tow hitch head 3 Control valve speed adjust Handbrake lever / cable 4 Control panel... -
Page 20: Figure 4 - Exterior Components, Left-Hand Side View
Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual Below are the components located on the left hand side of the machine: Jockey wheel handle Red stop bar Spare wheel Hopper tray Hopper Safety curtains Battery Emergency stop Number plate Lifting eye... -
Page 21: Engine Compartment Overview
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.4 ENGINE COMPARTMENT OVERVIEW Below are the components of the engine located on the left side of the engine bay. Fuel filter 3 Engine oil dipstick 2 Engine oil filler cap 4 Starter motor Figure 5 - Engine left-hand side 12-00-037 v1.0... -
Page 22: Figure 6 - Engine Right-Hand Side
Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual Below are components located on the right side of the engine bay: Hydraulic filler cap 4 V belt tensioner 2 Hydraulic oil tank 5 Air filter assembly 3 V belt 6 Engine oil filter Figure 6 - Engine right-hand side... -
Page 23: Chipping Chamber Overview
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.5 CHIPPING CHAMBER OVERVIEW Chipping chamber overview: ► Refer to "Opening the chipping chamber cover" on page 88 Flywheel TFR lifting tool slot Flywheel blade Feed roller spring tensioner eye bolt Top feed roller (TFR) assembly ... -
Page 24: Autointelligence System
Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.6 AUTOINTELLIGENCE SYSTEM The incorporates the Först Autointelligence system. This system monitors and manages the machine's electrical system. For example, the Autointelligence system: Will stop and start the feed rollers, making sure that the cutting conditions remain within the optimum limits. -
Page 25: Feed Roller Controls
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.7 FEED ROLLER CONTROLS Red stop bar The stop bar (1, Figure 8) located on the hopper tray is used to stop the feed rollers during normal operation. When pushed, the spring-loaded bar interrupts power to the feed rollers, and they stop instantly. -
Page 26: Control Panel
Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.8 CONTROL PANEL The control panel is located on the right-hand side panel. On the control panel you will find the following: Screen Refer to "Control Screen" on page 28 ... -
Page 27: Emergency Stop Buttons
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.9 EMERGENCY STOP BUTTONS WARNING Pushing an emergency stop button does not stop the engine. There is one emergency stop button located on the top of the hopper. Push the emergency stop to stop the feed rollers instantly. -
Page 28: Control Screen
Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.10 CONTROL SCREEN The control screen houses the Först Autointelligence software. The software maintains and controls the machines functionality. The control screen also displays information for all aspects of the machine, such as: ... -
Page 29: Button Functions
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.10.1 BUTTON FUNCTIONS Each page displays different information therefore each button performs multiple functions depending on which screen is displayed. Figure 11 - Button functions Description Screen - displays information Minus button - press to switch between options of highlighted icon, this button also activates the DPF (Diesel Particulate Filter) forced regeneration sequence, or reduces engine speed... -
Page 30: Navigation
Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.10.2 NAVIGATION This section describes how to navigate within the software. Figure 12 - Screen navigation Description Minus button - when an icon is highlighted, press this button to navigate left through the icons options Left arrow - use this button to navigate left through the icons on the screen Menu - use this button to cycle through all screens on the control screen... -
Page 31: Home Screen
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.10.3 HOME SCREEN The home screen displays by default once the machine is powered on. On the home screen you can see the actual engine speed, the target speed of the flywheel, the amount of fuel used and the engine running time since the last manual reset. -
Page 32: Sensors
Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.10.4 SENSORS The sensors page displays the sensor status. If a sensor is tripped the corresponding icon will illuminate or extinguish. Figure 14 - Sensors screen Description Forward button sensor - while this is active the icon illuminates green Tray sensor - if the tray is down the icon illuminates green... -
Page 33: Machine Information
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.10.5 MACHINE INFORMATION This screen displays all of the machines information such as its engine type and how many spokes it has. By default all features in this screen are locked and any changes to these settings are password protected. -
Page 34: Active Engine Codes (Dm1)
Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.10.6 ACTIVE ENGINE CODES (DM1) This screen displays any active fault codes. If your machine has a problem, the corresponding fault code displays on this screen. If this happens contact Först service personnel and quote the error code shown on this screen when asked. -
Page 35: Settings
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.10.7 SETTINGS In this screen you can adjust the pressure unit type, fuel unit type and the screen brightness. Figure 17 - Settings screen Description Brightness - displays the current brightness level Pressure unit - displays the unit of pressure you have selected Temperature unit - displays the unit of temperature you have selected Fuel unit - displays the unit of fuel you have selected... -
Page 36: Alarm Splash Screen
Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.10.8 ALARM SPLASH SCREEN If there is an alarm, the alarm splash screen appears. The screen shows details about the alarm Contact Först service personnel immediately and describe the alarm message displayed on screen. -
Page 37: Ignition Switch
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.11 IGNITION SWITCH Figure 19 - Ignition switch Off position (1, Figure 19) This is the normal position when the machine is not in use. ... -
Page 38: Manufacturer's Statutory Plate
Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.12 MANUFACTURER’S STATUTORY PLATE Figure 20 - Manufacturer's statutory plate Information on the Manufacturer’s Statutory Plate in line order from top to bottom is as follows: ... -
Page 39: Vehicle Identification Number (Vin) Plate
Redwood Global Ltd -ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual 1.13 VEHICLE IDENTIFICATION NUMBER (VIN) PLATE Figure 21 - Vehicle identification number Information on the VIN Plate in line order from top to bottom is as follows: 1. - Page 40 Redwood Global Ltd - ST6PHD Chapter 1: Machine Overview Operator and Maintenance Manual This page intentionally left blank 12-00-037 v1.0...
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Page 41: Chapter 2: Safety Instructions
CHAPTER 2: SAFETY INSTRUCTIONS In this chapter: 2.1 Safe working 2.2 General safety 2.3 Fuel recommendations 2.4 Noise test information 2.5 Decals 12-00-037 v1.0... -
Page 42: Safe Working
Redwood Global Ltd - ST6PHD Chapter 2: Safety instructions Operator and Maintenance Manual 2.1 SAFE WORKING Before using this machine, make sure that you are trained and competent in its operation. Know the location of and how to use all the safety features. ... - Page 43 Redwood Global Ltd -ST6PHD Chapter 2: Safety instructions Operator and Maintenance Manual WARNING When the machine is In use, woodchip and debris are ejected with considerable force from the chute. Make sure the discharge chute directs woodchip in a safe direction to avoid injury or property damaged WARNING Keep children and animals away from the working area.
- Page 44 Redwood Global Ltd - ST6PHD Chapter 2: Safety instructions Operator and Maintenance Manual WARNING Do not remove, jam, disable or otherwise impede the effectiveness of any stop and reset controls. WARNING Do not position the machine in such a way that the in-feed is lower to the ground than the rest of the machine.
- Page 45 Redwood Global Ltd -ST6PHD Chapter 2: Safety instructions Operator and Maintenance Manual CAUTION When operating the machine, be aware of your surroundings and work in a safe location. Position the machine: on as firm a surface as possible and stabilise the machine ...
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Page 46: General Safety
Redwood Global Ltd - ST6PHD Chapter 2: Safety instructions Operator and Maintenance Manual 2.2 GENERAL SAFETY DO stop the machine before making any DO NOT use machine in poor visibility or adjustments, refuelling or cleaning. insufficient light to see clearly. DO make sure all moving parts in the DO NOT use or attempt to start the machine have stopped. -
Page 47: Fuel Recommendations
Redwood Global Ltd -ST6PHD Chapter 2: Safety instructions Operator and Maintenance Manual 2.3 FUEL RECOMMENDATIONS Fuel must meet these requirements: Clean, fresh, unleaded petrol. A minimum of 87 octane/87 AKI (91 RON). High altitude use, see below. ... - Page 48 Redwood Global Ltd - ST6PHD Chapter 2: Safety instructions Operator and Maintenance Manual If petrol in the engine has not been treated with a fuel stabilizer , it must be drained into an approved container. Run the engine until it stops from lack of fuel. The use of a fuel stabilizer in the storage container is recommended to maintain freshness.
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Page 49: Noise Test Information
Chapter 2: Safety instructions Operator and Maintenance Manual 2.4 NOISE TEST INFORMATION Machine ST6P Notes Tested chipping 50 x 50mm pine or an equivalent type of timber 4m in length. Noise levels above dB will be experienced at the working position and within a metre radius. ... -
Page 50: Decals
Redwood Global Ltd - ST6PHD Chapter 2: Safety instructions Operator and Maintenance Manual 2.5 DECALS Decal Description Decal Description CE (Conformité Ensure that all Européenne or rotating parts have European stopped before Conformity) mark. maintenance Manufacturer’s declaration that the product complies with the essential requirements of the... - Page 51 Redwood Global Ltd -ST6PHD Chapter 2: Safety instructions Operator and Maintenance Manual Decal Description Decal Description Use only close fitting Apply 2x parts of gloves, suitable grease to each grease hearing protection nipple once a week. and eye protection to protect against the risk of ejected material.
- Page 52 Redwood Global Ltd - ST6PHD Chapter 2: Safety instructions Operator and Maintenance Manual This page intentionally left blank 12-00-037 v1.0...
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Page 53: Chapter 3: Transportation And Storage
CHAPTER 3: TRANSPORTATION AND STORAGE In this chapter: 3.1 Connecting to the tow vehicle 3.2 Towing the machine 3.3 Disconnecting from the tow vehicle 3.4 Machine lifting 3.5 Removing the discharge chute 3.6 Storage 3.6.1 Preparing the machine for storage 3.6.2 Put into storage 3.6.3 During storage 3.6.4 Take out of storage... -
Page 54: Connecting To The Tow Vehicle
Redwood Global Ltd - ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual 3.1 CONNECTING TO THE TOW VEHICLE NOTICE When the machine is not connected to a tow vehicle, make sure: The handbrake is applied Secure the machine is place by using chocks behind each wheel ... -
Page 55: Figure 25 - Tow Hitch Handle
Redwood Global Ltd -ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual 6. Wind the jockey wheel handle clockwise to lower the tow head onto the ball hitch. 7. Release the tow hitch handle and continue to wind the jockey wheel handle clockwise. -
Page 56: Figure 26 - Tow Hitch Wear Indicator
Redwood Global Ltd - ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual Figure 26 - Tow hitch wear indicator 11. Insert the barrel lock for security. 12. Connect the machine trailer extension plug into the vehicle trailer socket. 13. -
Page 57: Towing The Machine
Redwood Global Ltd -ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual 3.2 TOWING THE MACHINE Make sure that the machine is in transportation mode before departing: a. Hopper tray is closed in the up position, and the locking latch is fully engaged. -
Page 58: Disconnecting From The Tow Vehicle
Redwood Global Ltd - ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual 3.3 DISCONNECTING FROM THE TOW VEHICLE WARNING Make sure there is enough space behind the machine when parking. The machine can roll back 25-30 cm. CAUTION Make sure that the jockey wheel is fastened tight before unhitching the machine. -
Page 59: Machine Lifting
Redwood Global Ltd -ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual 3.4 MACHINE LIFTING DANGER The lifting eye should not be used as the single point for lifting. WARNING When lifting the woodchipper, be aware that the lifting eye can securely hold the woodchipper’s weight only. -
Page 60: Removing The Discharge Chute
Redwood Global Ltd - ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual 3.5 REMOVING THE DISCHARGE CHUTE DANGER Do not remove the rear chute clamp when removing the chute. Doing so will result in the chute falling. The discharge chute only needs to be removed for storage and transportation purposes. -
Page 61: Figure 30 - Remove Clamp And Nut
Redwood Global Ltd -ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual 5. Loosen the nut and remove both the nut and bracket. Make sure you hold onto the bracket during removal otherwise it will fall. Figure 30 - Remove clamp and nut 6. -
Page 62: Storage
Redwood Global Ltd - ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual 3.6 STORAGE If the machine will not be used for an extended period, you must store the machine correctly. If you prepare the machine carefully and apply on-going care you can prevent deterioration and damage to the machine while it is in storage. -
Page 63: Take Out Of Storage
Redwood Global Ltd -ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual 3.6.4 TAKE OUT OF STORAGE Remove any covers. 2. Examine all fluid levels. If necessary replace the fluid or add more fluid. 3. Check the pressure and condition of the tyres. 4. - Page 64 Redwood Global Ltd - ST6PHD Chapter 3: Transportation and storage Operator and Maintenance Manual This page intentionally left blank 12-00-037 v1.0...
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Page 65: Chapter 4: Operation
CHAPTER 4: OPERATION In this chapter: 4.1 Preparation for use 4.2 Positioning the machine for use 4.3 Starting the Machine 4.4 Safety & function test Green and orange hopper buttons 4.5 Feed roller speed adjustment 4.6 Shutting down the machine 4.7 Removing blockages 12-00-037 v1.0... -
Page 66: Preparation For Use
Redwood Global Ltd - ST6PHD Chapter 4: Operation Operator and Maintenance Manual 4.1 PREPARATION FOR USE Do not attempt to operate a newly delivered machine before complying with the preparation for use instructions. The operator must be thoroughly familiar with the operating and safety instructions before using the machine. -
Page 67: Positioning The Machine For Use
Redwood Global Ltd -ST6PHD Chapter 4: Operation Operator and Maintenance Manual 4.2 POSITIONING THE MACHINE FOR USE WARNING Take care when lowering and lifting the hopper. Improperly handling the hopper can result in injury. CAUTION Obey all relevant safety warnings when positioning the machine for operation.For more information, refer to "Safety instructions"... -
Page 68: Figure 33 - Hopper Tray Locking Latch
Redwood Global Ltd - ST6PHD Chapter 4: Operation Operator and Maintenance Manual 2. Disengage both hopper tray locking latches. Figure 33 - Hopper tray locking latch 3. Lower the hopper tray in a controlled manner (do not drop the hopper tray). 4. -
Page 69: Figure 34 - Hopper Tray Locked Down
Redwood Global Ltd -ST6PHD Chapter 4: Operation Operator and Maintenance Manual Figure 34 - Hopper tray locked down 5. Rotate the discharge chute to direct woodchip in a safe direction to avoid injury or property damaged. 6. You are now ready to start the engine. 12-00-037 v1.0... -
Page 70: Starting The Machine
Redwood Global Ltd - ST6PHD Chapter 4: Operation Operator and Maintenance Manual 4.3 STARTING THE MACHINE Carry out daily checks before first use of machine everyday. To start safely, follow the start up procedure below. Insert the key into the ignition. 2. -
Page 71: Figure 37 - Maximum Throttle Position
Redwood Global Ltd -ST6PHD Chapter 4: Operation Operator and Maintenance Manual Figure 37 - Maximum throttle position 7. Check the safety system is functioning correctly. 8. The machine is now ready for use. Wait until the engine is warm before heavy use. -
Page 72: Safety & Function Test
Redwood Global Ltd - ST6PHD Chapter 4: Operation Operator and Maintenance Manual 4.4 SAFETY & FUNCTION TEST The safety & function test makes sure that the safety devices and controls on the machine are working correctly. WARNING If any of these checks fail, turn off the machine, remove the key from the ignition switch, and contact FörstAssist. -
Page 73: Figure 38 - Feed Roller Controls
Redwood Global Ltd -ST6PHD Chapter 4: Operation Operator and Maintenance Manual Action Expected outcome 15 Close the hopper tray. The feed rollers stop. 16 Reduce the engine speed to idle. Allow the machine to run for 30s. 17 Push the orange green hopper tray buttons. -
Page 74: Feed Roller Speed Adjustment
Redwood Global Ltd - ST6PHD Chapter 4: Operation Operator and Maintenance Manual 4.5 FEED ROLLER SPEED ADJUSTMENT The feed roller speed can be adjusted to suit the material being chipped, refer to Figure 39. 1. Turn dial to align number with paint spot. 2. -
Page 75: Shutting Down The Machine
Redwood Global Ltd -ST6PHD Chapter 4: Operation Operator and Maintenance Manual 4.6 SHUTTING DOWN THE MACHINE To shut down safely, follow the procedure below. Reduce the speed to idle. Figure 40 - Idle 2. Allow the engine to run unloaded and idle for 30 seconds. 3. -
Page 76: Removing Blockages
Redwood Global Ltd - ST6PHD Chapter 4: Operation Operator and Maintenance Manual 4.7 REMOVING BLOCKAGES Be careful, whatever is fed into the machine has to come out of the discharge chute. DANGER Stop the engine before attempting to remove any blockages in the machine. Failure to do so may result in serious injury and loss of life. -
Page 77: Figure 44 - Spring Hanger
Redwood Global Ltd -ST6PHD Chapter 4: Operation Operator and Maintenance Manual Check the feed rollers: 8. Open the bonnet. 9. Open the chipping chamber cover. 10. Using a suitable tool, loosen the nuts located on top of the spring hangers. Figure 44 - Spring hanger 11. -
Page 78: Figure 46 - Raising The Top Feed Roller Housing
Redwood Global Ltd - ST6PHD Chapter 4: Operation Operator and Maintenance Manual 12. 2x people are needed for this step. One person lifts the top feed roller (2, Figure 46) to the fully open position while the other person, wearing protective gloves and using a piece of wood, carefully clears the blockage from inside the feed chamber. -
Page 79: Chapter 5: Maintenance
CHAPTER 5: MAINTENANCE In this chapter: 5.1 Routine maintenance 5.2 Daily checks 5.3 Weekly maintenance checks 5.4 Engine maintenance 5.5 Routine cleaning 5.5.1 Pressure washing 5.6 Opening the bonnet 5.7 Opening the chipping chamber cover 5.8 Removing the panel 5.9 Changing the blades 5.10 About blade sharpening 5.11 Turning or replacing the main anvil 5.12 Adjusting the main belt tension... -
Page 80: Routine Maintenance
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.1 ROUTINE MAINTENANCE WARNING Make sure the key is removed from the ignition before commencing any service or maintenance on the machine. WARNING Exercise extreme care to avoid injury when removing and replacing blades and anvils. -
Page 81: Daily Checks
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.2 DAILY CHECKS Perform the following checks before putting the unit into operational service and before each operational day. Table 3 - Daily checks Item Check Further action ✔... - Page 82 Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual Item Check Further action ✔ /✘ 17 Check the battery Terminals secure Clamp secure Check the bonnet catches Secure 18 Function correctly 19 Check for fluid leaks Visual check for any fluid leaks ...
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Page 83: Weekly Maintenance Checks
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.3 WEEKLY MAINTENANCE CHECKS Perform the following checks every week, or after every 8 hours of use. Table 4 - Weekly checks Item Check Further action ✔ /✘ 1 ... - Page 84 Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual Item Check Further action ✔ /✘ Hoses secure Visually check all hydraulic components 18 All components free of leaks 19 Check the safety decals Decals are fitted, legible and undamaged ...
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Page 85: Engine Maintenance
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.4 ENGINE MAINTENANCE Please refer to the engine manual supplied with this machine for the following: Checking the engine oil. Changing the engine oil and oil filter. ... -
Page 86: Routine Cleaning
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.5 ROUTINE CLEANING 5.5.1 PRESSURE WASHING CAUTION The engine and other components could be damaged by high pressure washing systems. Special precautions must be taken if the machine is to be washed using a high pressure system. -
Page 87: Opening The Bonnet
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.6 OPENING THE BONNET Stop the engine. 2. Remove the key from the ignition and keep in a safe place. 3. Release the two bonnet catches. 4. Open the bonnet cover. Figure 47 - Bonnet 12-00-037 v1.0... -
Page 88: Opening The Chipping Chamber Cover
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.7 OPENING THE CHIPPING CHAMBER COVER To access the chipping chamber: Stop the engine. 2. Remove the key from the ignition and keep in a safe place. 3. -
Page 89: Figure 50 - Open Chipping Chamber Cover
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual Figure 50 - Open chipping chamber cover NOTICE When closing the chipping chamber, carry out these tasks in reverse. When installing the two chipping chamber cover bolts bolts, torque to 86Nm. 12-00-037 v1.0... -
Page 90: Removing The Panel
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.8 REMOVING THE PANEL Removing the panel will give you access to the following: Battery Stone trap Fuses Spring To remove the side panel: Stop the engine. -
Page 91: Figure 52 - Remove Panel
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual Figure 52 - Remove panel 12-00-037 v1.0... -
Page 92: Changing The Blades
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.9 CHANGING THE BLADES WARNING The blades must not be used beyond the wear mark. Failure to comply with this could result in damaging the machine, injury, or loss of life. WARNING When changing the blades, be extremely careful of sharp edges. -
Page 93: Figure 55 - Flywheel Locking Tool
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5. Open the chipping chamber cover. Figure 55 - Flywheel locking tool 6. Turn the flywheel until it is in the locking position (Figure 56). 7. Insert the flywheel locking tool into the groove on the flywheel. The groove becomes visible once the wheel is in the correct position (Figure 56). -
Page 94: Figure 57 - Blade Removal
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual Figure 57 - Blade removal Installing the replacement blades: CAUTION Use genuine Först blades and blade bolt sets only. Replace the blade bolt sets every time the blades removed CAUTION When fitting a blade bolt set, NO lubricant or anti-seize compound is to be applied to the bolts. -
Page 95: Figure 58 - Correct Position Of The Back Edge Of The Blade
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual Figure 58 - Correct position of the back edge of the blade CAUTION Shims may be required to keep the gap between the blade and the anvil on the inner edge (closest to the flywheel shaft) at 1mm. -
Page 96: About Blade Sharpening
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.10 ABOUT BLADE SHARPENING • After sharpening, reset the blade gap by using a blade shim. • Shims are available in the following thicknesses: For optimum performance, keep the blades on the woodchipper sharp. Only professionals can sharpen blades for the woodchipper. -
Page 97: Figure 60 - Blade Gaps
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual Side Anvil Flywheel Blade Anvil Inside Blade Gap Outside Blade Gap Figure 60 - Blade gaps When changing the blades, make sure each blade bolt set is replaced every time the blades are changed. -
Page 98: Turning Or Replacing The Main Anvil
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.11 TURNING OR REPLACING THE MAIN ANVIL If an anvil is worn or damaged, turn or replace it with a new one. You can turn an anvil 180° to use it a second time. Stop the engine. -
Page 99: Figure 63 - Anvil Removed
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 10. Using the slide hammer, extract the anvil (3, Figure 63) through the side of the chamber. Figure 63 - Anvil removed 11. Check the anvil seats inside the chamber for damage or wear. 12. -
Page 100: Figure 65 - Anvil Tight To The Bedplate
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual Figure 65 - Anvil tight to the bedplate 15. Push the anvil along the lower seat. 16. Push the anvil into the seat under the side anvil (6, Figure 66). Figure 66 - Anvil in vertical seat 17. -
Page 101: Adjusting The Main Belt Tension
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.12 ADJUSTING THE MAIN BELT TENSION The flywheel V belts must be checked for tension and condition. If any belt shows signs of wear, surface damage, shredding, excessive glazing, or have been stretched to their limit, they must be replaced. ... -
Page 102: Figure 69 - Loosen Main Tension Bolt
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual Figure 69 - Loosen main tension bolt b. With the bolts loosened, use a suitable tool to move the belt tensioner. Pressing against the belt will increase the tension and moving away from the belt reduces the tension. -
Page 103: Hydraulic Oil Filter
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.13 HYDRAULIC OIL FILTER CAUTION Use suitable protective gloves to prevent fluid contact with skin. CAUTION Use approved local authority environmental procedures when disposing of fluids and filters. Use protective plastic gloves to keep oil off skin, dispose of oil and filter in an environmentally responsible manner. -
Page 104: Changing The Hydraulic Filter
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.14 CHANGING THE HYDRAULIC FILTER CAUTION Use suitable protective gloves to prevent fluid contact with skin. CAUTION Use approved local authority environmental procedures when disposing of fluids and filters. Turn off the engine. -
Page 105: Draining The Hydraulic Oil
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.15 DRAINING THE HYDRAULIC OIL CAUTION Use suitable protective gloves to avoid contact with skin. CAUTION Use suitable protective eye wear to protect eyes from contact with oil. CAUTION Use approved local authority environmental procedures when disposing of fluids. -
Page 106: Battery
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.16 BATTERY Before using and charging batteries, read the following safety information: WARNING Battery acid is highly corrosive. Always wear eye protection when handling a battery. Do not tilt battery as acid could escape from vents. WARNING Keep children away from acid and batteries. -
Page 107: Replacing The Battery
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.16.3 REPLACING THE BATTERY You can replace an old battery with a new one. Stop the engine. 2. Remove the key from the ignition and keep in a safe place. 3. -
Page 108: Charging The Battery
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.16.4 CHARGING THE BATTERY If the woodchipper has a flat battery, charge the battery. NOTICE When charging the battery, take the following into consideration: • Ensure good ventilation •... -
Page 109: Jump Starting The Battery
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.16.5 JUMP STARTING THE BATTERY If the woodchipper has a flat battery, you can use a support vehicle to jump start the battery. CAUTION When attaching jump leads to a battery, make sure that only the lead ends make contact with the battery terminals. -
Page 110: Table 6 - Oils, Fluids And Lubricants
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.17 OILS, FLUIDS AND LUBRICANTS Table 6 - Oils, fluids and lubricants Oils, Fluids, and Lubricants Item Assembly Product 1 Engine oil 5w30 API SJ or higher (fully-synthetic) 2 ... -
Page 111: Table 7 - Torque Settings
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.18 FASTENER TIGHTENING TORQUES All machine fastener torques should be regularly checked in accordance with the table below. In particular, those for the flywheel blades, flywheel bearings, axle assembly, hitch, road wheels and engine mounts. -
Page 112: Table 8 - Tools And Accessories
Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.19 TOOLS AND ACCESSORIES The following is a list of tools and accessories supplied with the machine. Table 8 - Tools and accessories Item Part Number Quantity Item Description Reference 1 ... -
Page 113: Table 9 - Service Schedule
Redwood Global Ltd -ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual 5.20 SERVICE SCHEDULE NOTICE Remember to carry out the Redwood Global Ltd standard inspection at every service. Table 9 - Service schedule Hours of Tasks Requirements and operation part numbers Remove and replace hydraulic oil filter element.... - Page 114 Redwood Global Ltd - ST6PHD Chapter 5: Maintenance Operator and Maintenance Manual Hours of Tasks Requirements and operation part numbers 1000 Perform all 100 hour tasks. Remove and replace hydraulic oil filter element. 12-24-054 Drain and replace hydraulic oil. VG ISO 46 12-00-037 v1.0...
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Page 115: Chapter 6: Troubleshooting
CHAPTER 6: TROUBLESHOOTING In this chapter: 6.1 The engine doesn't crank 6.2 The engine cranks but doesn't fire 6.3 The display screen is blank 6.4 The feed rollers are not turning 6.5 The woodchipper suddenly stops running 6.6 The woodchipper is struggling to chip wood 6.7 Hydraulic oil is leaking 6.8 The tyres are wearing unevenly 12-00-037 v1.0... -
Page 116: The Engine Doesn't Crank
Redwood Global Ltd - ST6PHD Chapter 6: Troubleshooting Operator and Maintenance Manual 6.1 THE ENGINE DOESN'T CRANK Possible cause Check Corrective action Battery Check battery terminals Tighten if loose Check battery is charged Charge if flat Check red and black battery Tighten if loose cables at the engine connection... -
Page 117: The Display Screen Is Blank
Redwood Global Ltd -ST6PHD Chapter 6: Troubleshooting Operator and Maintenance Manual 6.3 THE DISPLAY SCREEN IS BLANK Possible cause Check Corrective action Loose CAN cable Check both ends of cable for Tighten if loose (communication cable security between screen and controller) Blown fuses Check fuses Replace if blown... -
Page 118: The Woodchipper Suddenly Stops Running
Redwood Global Ltd - ST6PHD Chapter 6: Troubleshooting Operator and Maintenance Manual 6.5 THE WOODCHIPPER SUDDENLY STOPS RUNNING Possible cause Check Corrective action Loss of oil pressure Check oil level Top up if required Check oil pressure switch Replace if damaged or faulty Overheated Check cooling system Replace if damaged... -
Page 119: Hydraulic Oil Is Leaking
Redwood Global Ltd -ST6PHD Chapter 6: Troubleshooting Operator and Maintenance Manual 6.7 HYDRAULIC OIL IS LEAKING Possible cause Check Corrective action Hydraulic oil level is too high Check hydraulic oil level Drain to correct level Loose hydraulic fitting Locate leaking fitting Tighten or replace fitting 6.8 ... - Page 120 Redwood Global Ltd - ST6PHD Hydraulics schematic Operator and Maintenance Manual HYDRAULICS SCHEMATIC 12-00-037 v1.0...
- Page 121 Redwood Global Ltd -ST6PHD FörstAssist Operator and Maintenance Manual FÖRSTASSIST The FörstAssist technical support team is there to back you up and give you assistance in the event of a mechanical issue or if you have a product-related technical question. service@forstglobal.com +44 (0) 1264 721792 12-00-037 v1.0...
- Page 122 Redwood Global Ltd - ST6PHD Warranty Operator and Maintenance Manual WARRANTY WARRANTY STATEMENT 1. Redwood Global Ltd guarantee all Först equipment supplied by them against any defect in manufacture and assembly – this guarantee is for a period of 3 years commencing on the date of sale to the first end user.
- Page 123 Redwood Global Ltd -ST6PHD Declaration Certification Operator and Maintenance Manual DECLARATION CERTIFICATION Refer to declaration certificates issued on receipt of your machine. 12-00-037 v1.0...
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Page 124: Service History
Redwood Global Ltd - ST6PHD Service History Operator and Maintenance Manual SERVICE HISTORY Date Service Hours Agent stamp Date Service Hours Agent stamp type type ... - Page 125 Redwood Global Ltd -ST6PHD Index Operator and Maintenance Manual Engine compartment Overview 21 Engine maintenance 85 INDEX Exterior components 19 Fastener Tightening Torques 111 About blade sharpening 96 Feed roller controls 25 Active Engine Codes 34 Feed speed adjustment 74 Adjusting the main belt tension 101 FörstAssist 121 Alarm Splash Screen 36 Forward and backwards buttons 25...
- Page 126 Redwood Global Ltd - ST6PHD Index Operator and Maintenance Manual Storage 62 Navigation 30 Noise test information 49 Take out of storage 63 Technical data 17 The display screen is blank 117 Obtaining documentation and information 14 The engine cranks but doesn't fire 116 Oils, fluids and lubricants 110 The engine doesn't crank 116 Opening the...
- Page 127 Redwood Global Ltd Unit 86, Livingstone Road, Walworth Business Park, Andover, SP10 5NS www.forstglobal.com sales@ForstGlobal.com Scan for www.forstglobal.com...
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