OHASHI ES72G Operation Manual

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OPERATION MANUAL

Before attempting to operate this machine, read and fully understand

the contents of this Operation Manual. Make yourself familiar with

safety instructions, controls, servicing and maintenance of the

machine. Operators must also read through the engine manual which

is separately provided by the engine manufacturer.

WOOD CHIPPER

ORIGINAL INSTRUCTIONS

ES72G

OHASHI INC.

401 Sakimura, Chiyoda, Kanzaki

Saga 842-0065, Japan

EUROPE TEL : +44 20 3286 2252

JAPAN TEL : +81 952 44 3135

WEB : www.ohashi-inc.com

E-mail : global@ohashi-inc.com

Table of Contents

Summary of Contents for OHASHI ES72G

Page 1 ORIGINAL INSTRUCTIONS WOOD CHIPPER ES72G OHASHI INC. 401 Sakimura, Chiyoda, Kanzaki Saga 842-0065, Japan EUROPE TEL : +44 20 3286 2252 JAPAN TEL : +81 952 44 3135 WEB : www.ohashi-inc.com E-mail : global@ohashi-inc.com...
Page 2 INTRODUCTION To operate this machine most comfortably and effectively, it is essential for you to perform daily checks and regular inspection, servicing and maintenance jobs. This can be likened to your medical check-up. To keep the machine in optimum condition at all times and prevent accident and injury, carry out daily checks and servicing on a routine basis.
Page 3: Table Of Contents
CONTENTS SAFETY INSTRUCTIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ DECALS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ USE OF THIS MACHINE AND SPECIFICATIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ NAME OF THE COMPONENT PARTS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ PRE-OPERATING CHECKLISTS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ HOW TO OPERATE MACHINE ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ STARTING THE ENGINE ・・・・・・・・・・・・・・・・・・・・・・・・・・ 15 DISPATCH UNIT ANGLE ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ HOW TO DRIVE THE MACHINE ・・・・・・・・・・・・・・・・・ 16 ROTOR CLUTCH ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・...
Page 4: Safety Instructions
SAFETY INSTRUCTIONS 7. Never operate the machine alone. This CAUTION machine must be operated by two or more operators. 1. This operation manual must be retained within easy access of operators. Operators must be 8. Never attempt to touch the muffler and careful not to lose or damage the operation surroundings during operation because it manual.
Page 5: Decals
DECALS Before attempting to operate the machine, read these decals and fully understand the instructions and meaning. If any decal is worn, damaged, illegible or missing, obtain new one from our dealers. Safety decals must be placed to their proper location as indicated below. For locations of other decals, see the following photographs and illustrations and affix them to their respective places.
Page 6 DECALS Before attempting to operate the machine, read these decals and fully understand the instructions and meaning. If any decal is worn, damaged, illegible or missing, obtain new one from our dealers. Safety decals must be placed to their proper location as indicated below. For locations of other decals, see the following photographs and illustrations and affix them to their respective places.
Page 7 Push the safety bar in to de-activate the feed roller so that the feed roller no longer move. IDENTIFICATION The details of Ohashi inc., the CE mark and PLATE the specific details of the machine purchased. xxxxx...
Page 8 DECALS The crawlers and the area between the crawler CRAWLER wheels should be kept clean and free of materials. Be sure to clear the crawlers from any materials as this may damage the transmission. The area around the machine should be checked SAFE AREA thoroughly before operating the machine.
Page 9 DECALS The feed roller can be rotated manually if it FEED ROLLER RELEASE becomes clogged. Refer to "Feed Roller Clogging Release" section in this user manual for further instructions. The feed box when in motion can be dangerous FEED BOX and cause injury.
Page 10 DECALS MUFFLER The muffler is hot during and after operation. Do not touch or a burn injury may occur. Even after use the muffler may remain hot. Wait until the machine cools down before making any contact with the muffler. Be careful to avoid being crushed by the machine.
Page 11 DECALS Only drive the machine across a slope of 5° SLOPE or less. STABILITY 2 When unloading or loading or when driving the machine anywhere do not drive the machine on a slope of more than 5° in a horizontal across direction along the slope.
Page 12 DECALS FEED ROLLER If caught in the feed roller serious injury will occur. Do not place your hands, feet or any other body part near the feed rollers. Do not attempt to climb into or on the lower edge of the hopper or you may be caught in the feed roller.
Page 13 DECALS The shift lever allows the machine to move 24 SHIFT LEVER forward or in reverse. To initiate the movement of the machine, move the shift lever to FORWARD or REVERSE and hold down the brake handle. - 10 -...
Page 14: Use Of This Machine And Specifications
Do not use the machine in any other way than its intended use. SPECIFICATIONS Description Wood chipper / shredder Model No. ES72G Overall LengthxWidthxHeight (mm) In use - 1690x660x1370 In transport - 1280x660x1455 Weight (kg) Drive Belt clutch, V-belt Max.
Page 15: Name Of The Component Parts
NAME OF THE COMPONENT PARTS See the machine with your own eyes and identify each component. Hopper Brake Handle Feed Box Feed Switch Feed Roller Release Rotor Clutch Lever Rotor Cover Right Side Cover Dispatch Unit Safety Guard Sprocket & Wheel Crawler Tracks Track Roller...
Page 16: Pre-Operating Checklists
PRE-OPERATING SAFETY CHECKLIST To prevent injuries and fire hazards, comply strictly with the following instructions. BEFORE STARTING ENGINE AND ACTIVATING TRACK CRAWLERS 1. All safety and operating sections of User Manual MUST have been read, understood and applied where applicable. 2.
Page 17 PRE-OPERATING MACHINE CHECKLIST To keep machine in top working condition, comply strictly with the following instructions. 1. CLEAN air cleaner 2. CHECK engine oil level, cleanliness and for any spillage (SE grade or above) ※ 1 3. CHECK for cracks and / or wear on the chipper knives 4.
Page 18: How To Operate Machine
HOW TO OPERATE MACHINE 3. Turn the fuel cock to "OPEN" DANGER CLOSE Read the Pre-Operating Safety Checklist and Pre-Operating Machine Checklist before starting the engine. Whenever the terms "Right", "Left", "Forward" and "Reverse" are used in this manual, they OPEN indicate the directions from the operator facing forward looking into the hopper.
Page 19 HOW TO DRIVE THE MACHINE HOW TO STOP THE MACHINE CAUTION 1 1. Turn the throttle lever to the LOW position Prevent materials getting caught between the and slow down the machine speed. crawler wheels and crawler tracks or damage to the transmission may occur.
Page 20: Turning The Machine
ADJUSTING THE THROTTLE TURNING THE MACHINE CAUTION 1 1. To turn the machine to the left hand side, When adjusting the throttle, ensure grip the left turning control lever side clutch that the surroundings are clear of obstacles lever under the left handle. and people who may be in the path of the machine.
Page 21 LOADING AND UNLOADING f) The ramps must be strong enough to accept the machine and operator weight. DANGER g) Ramps must have enough gripping power so that the machine does not slip on the ramps. WARNING 1 If using a truck / trailer with a roof, ensure that the DANGER operator does not breath exhaust gas when starting the engine to load / unload machine from...
Page 22: Dispatch Unit Angle
CHIPPING OPERATIONS CAUTION 1 Do not face the dispatch unit towards the DANGER engine so as to protect the engine from dust. 1. Read the Pre-Operating Safety Checklist and Pre-Operating Machine Checklist before CAUTION 2 starting the chipping operation. During operation, ensure there are no obstacles, people or small children near the machine.
Page 23: How To Stop The Machine ・・・・・・・・・・・・・・・・・ 16 Feed Roller Operation
FEED ROLLER OPERATION FEED ROLLER SAFETY BAR The feed roller saftey bar allows the user to stop the DANGER feed roller in an emergency and if necessary without 1. Do not place hands or feet near the feed roller using their hands (as shown below). at any time.
Page 24: Feed Roller Clogging Prevention
FEED ROLLER CLOGGING PREVENTION DISENGAGE FEED ROLLER SAFETY BAR To prevent clogging during chipping operations: 1. Push the safety bar release lever down to release the feed roller safety bar. 1. Begin chipping operations only when the engine is running at full throttle. SAFETY BAR RELEASE LEVER 2.
Page 25: Loading, Unloading & Slopes ・・・・・・・・・・・・・・・・・・・・ 18 Feed Roller Clogging Release
FEED ROLLER CLOGGING RELEASE DANGER 10. Any remaining clogged material can be Ensure the engine and chipping components removed via the hopper. have come to a complete stop before attempting to release any clogged material from the machine. Note If the fuse 7.5A is blown, the feed rollers will stop Do not use your hands to remove materials stuck working.
Page 26: Regular Maintenance
REGULAR MAINTENANCE Cutting Edges DANGER Edge 1 25 hrs 1. Before any inspection or maintenance: Alternate edge (Turn) Edge 2 25 hrs a) Switch Rotor Clutch Lever - OFF b) Put Brake Handle - UP Sharpen both edges and use again c) Switch Feed Switch - STOP c) Switch Engine Switch - OFF Note: Sharpen approx.
Page 27 REGULAR MAINTENANCE REMOVE & AFFIX KNIVES - COUNTER KNIFE If chipper or counter knives becomes dull, it can cause clogging, extra noise, and rotor overloading. Check knives regularly for damage, cracks or dullness. If the counter knife becomes dull, chipping or chipping efficiency is reduced.
Page 28 REGULAR MAINTENANCE KNIFE ADJUSTMENT (IMPORTANT) 8. Close the rotor cover and affix the rotor cover fixing bolt. After removing or affixing either chipper or counter knives clearance between the chipper knife and CAUTION the counter knife must be adjusted correctly. Always clear dust, dirt or chips before affixing knife bolts or they may become loose easily.
Page 29 REGULAR MAINTENANCE RE-FUELING 11. Open the fuel tank cap and add gasoline. DANGER 1. NEVER remove safety covers or refuel with engine on, parts still moving or machine still hot. 2. Never smoke while handling fuel or when servicing engine. Do not handle fuel or service engine near naked flames or uncovered electrical lighting.
Page 30: Transport Clutch Adjustment ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 27 Engine
REGULAR MAINTENANCE TRANSPORT CLUTCH ADJUSTMENT TURNING CONTROL LEVER ADJUSTMENT WARNING When the side clutch does not work properly or NEVER have safety covers off with engine on. machine does not turn smoothly, adjust wires for the side clutch. It is very dangerous if the transport clutch does not work properly.
Page 31: Knife Basics ・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 23 Parking Brake
REGULAR MAINTENANCE PARKING BRAKE 2. Checking and replacing parking brake shoe It is very dangerous that the parking brake does not work properly. If even after adjusting the parking brake wire, the Immediately stop operating the machine when you parking brake does not respond well, inspect the feel abnormal conditions and carry out the adjustment parking brake pad and replace if necessary.
Page 32: Remove & Affix Knives ・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 24 Rotor Clutch
REGULAR MAINTENANCE ROTOR CLUTCH 2. Re-tensing of the rotor belt If rotor belt tension weakens engine power is not Where using the 3 holes in the rotor clutch arm transmitted efficiently. Check tension regularly. no longer provides the desired belt tension Belt tension can loosen sooner than usual with adjust the rotor belt: new machines.
Page 33: Knife Adjustment ・・・・・・・・・・・・・・・・・・・・・・・・・・ 25 Feed Roller Chain
REGULAR MAINTENANCE 3. Replacement of Rotor Belt g) When the adjustment is completed, place the covers on the machine and fit tightly. In the case where adjustments of the engine position, and / or the rotor arm spring do not result in the CAUTION correct tension of the rotor belt and / or the rotor If letters are printed on the rotor belt, attach...
Page 34: Re-Fueling ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 26 Rubber Crawler
REGULAR MAINTENANCE RUBBER CRAWLER Rubber crawler tension must be checked regularly. Especially, when the machine is new, the rubber crawlers extend quickly due to following reasons: - When the rubber crawlers are new, they extend quickly. - Tightness of the rubber crawler become loose due to the sprocket fitness.
Page 35: Engine
REGULAR MAINTENANCE ENGINE * Refer to the engine manual for details. 1. Engine oil change 3. Inspection and cleaning of the fuel cock (* Refer to "Re-fueling") DANGER After first 20 hours of operation Keep Fire Away Every 100 hours (1) Check that water and dirt has not (1) Stop engine.
Page 36 REGULAR MAINTENANCE ENGINE (cont.) * Refer to the engine manual for details. 4. Air cleaner inspection and maintenance 5. Replace the fuel lines Check before each operation. Every 1000 hours of operation The air inlet in the cleaner is an important or when necessary component that sucks in cooled air for the engine.
Page 37 REGULAR MAINTENANCE 6. Daily check Before driving the engine, do the check out as follows. Check dirt in air cleaner element. Check fuel level. Check for safety around the engine. Check for unusual vibration and noise. Check for loose or damaged bolts. Check engine oil level and dirt.
Page 38: Lubrication Chart
LUBRICATION CHART (Lubrication Points) Machine oil refer to picture Lithium Grease Lubricant SAE20 information Gasoline tank Rotor bearing Gasoline Sprocket Engine Transmission Rotor bearing (inside the cover) Engine oil Gear oil - 35 -...
Page 39: Tightening Nuts & Bolts
TIGHTENING NUTS & BOLTS CAUTION Before operating the machine, check if the parts are well fastened. Feed Roller Arm Fixed Bolt 2 on each side Rotor Bearing Unit Fixed Bolts Engine Fixed Bolts and Nuts 4 on the left side. 2 on each side 2 on the right side...
Page 40: Servicing After Operation/Long Term Storage
SERVICING AFTER OPERATION/LONG TERM STORAGE SERVICING AFTER OPERATION 1. Follow the following steps to prepare for servicing and maintenance. (a) Ensure the brake handle is up. (b) Move the rotor clutch lever to OFF position (c) Turn the fuel cock to CLOSE position. Components to clean.
Page 41: Long Term Storage
SERVICING AFTER OPERATION/LONG TERM STORAGE LONG TERM STORAGE 1. Pour oil and lubricant on and in all other parts of the machine that require it per the lubrication chart after washing. 2. Drain the fuel from the fuel tank, following the steps described below.
Page 42: List Of The Consumable Parts
LIST OF CONSUMABLE PARTS Life Part name Part No. Remarks (per unit) Main Body Knife x2, bolt x6, spring washer x6, Chipper knife 10616220001 300 hrs plain washer x6, nut x6 Knife x1, bolt x2, spring washer x2, Counter knife 10606320000 800 hrs plain washer x2...
Page 43: Troubleshooting
TROUBLESHOOTING Stop the engine before inspecting. Problems Probable causes Remedial actions Add fuel (1) Empty fuel tank (2) Fuel is not suctioned into Check suction carburetor and fuel strainer. the combustion chamber. (3) Wrong engine starting Refer to "Starting the Engine". procedures.
Page 44 TROUBLESHOOTING FEED ROLLER CHECK FEED ROLLER DOES NOT ROTATE. A) When the feed roller does not rotate forward: Check points Causes Solutions 1) Engine power Too low. Throttle wire loose. Turn throttle to increase power & tighten throttle wire. 2) Feed switch Defective Replace it 3) Feed roller...
Page 45: Maintenance Schedule
REGULAR MAINTENANCE Maintenance Schedule Daily hours hours hours hours Clean air cleaner. Check engine and transmission oil level, cleanliness and for any spillage. Check for cracks and / or wear on the knives. Clean engine and rubber crawlers. Retighten the bolts and nuts of the knives and at each place.
Page 46 NOISE TEST CAUTION 1 Wear ear protection at all times when using the machine. People in close proximity to the machine should also wear ear protection to protect from ear damage. The Guaranteed Sound Power Level for this machine was recorded at 108dB (Lwa).
Page 47: Machine Dimensions
MACHINE DIMENSIONS - 44 -...
Page 48: Noise Test ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 43 Electronic Wiring Diagram
ELECTRONIC WIRING DIAGRAM Relay Toggle switch Hopper switch Micro switch (NO) Blue Black Safety bar switch (NC) Electro- magnetic Relay clutch Rotor cover switch (NC) E/G + M Condenser regulator Soldered Soldered Heat shrinkable regulator tube - 45 -...
Page 49: Ce Declaration Of Conformity
- EN ISO 13849-1:2008 Safety of machinery -- Safety-related parts of control systems -- Part 1: General principles for design; - EN ISO 14314:2009 Reciprocal internal combustion engines -- Recoil starting equipment -- General safety requirements Signature: Hiroyuki Ohashi President, Ohashi Inc. Date of issue: 22 July, 2014 - 46 -...
Page 50: Warranty Statement
The warranty is applicable only to the following: - Machine parts which are damaged or faulty from a cause for which Ohashi is responsible, and require replacing, as well as any other machine parts which as a consequence of the aforementioned damaged or faulty parts, require replacing for the effective operation of the machine.
Page 51: Just In Case Of Emergency
JUST IN CASE OF EMERGENCY Preparation before starting operation ● ・ Just in case, clearly write up telephone ・Where to contact numbers of medical institution and fire ・Today's work plan station (also to call an ambulance) in ・Where to contact Hospital a prominent place close to telephones.
Page 54 Ohashi Inc. 401 Sakimura, Chiyoda, Kanzaki, Saga 842-0065, Japan EUROPE TEL +44 20 3286 2252 JAPAN TEL +81 952 44 3135 E-MAIL global@ohashi-inc.com www.ohashi-inc.com...