Dynapac DTR75D Operating Instruction
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Dynapac DTR75D Operating Instruction

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Operating Instruction/Maintenance Instruction
Original Operating Instructions
DTR75D
Walk behind twin drum roller
S/N 961 924 79 1001>
DL8 207 13 EN
© 05/2021

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Summary of Contents for Dynapac DTR75D

  • Page 1 Operating Instruction/Maintenance Instruction Original Operating Instructions DTR75D Walk behind twin drum roller S/N 961 924 79 1001> DL8 207 13 EN © 05/2021...
  • Page 2 WARNING: Breathing diesel engine exhaust exposes you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Always start and operate the engine in a well-ventilated area. If in an enclosed area, vent the exhaust to the outside. Do not modify or tamper with the exhaust system.

  • Page 3: Table Of Contents

    3.7.1 Persons in the danger area......................30 3.7.2 Operation........................... 30 3.7.3 Driving up and down slopes....................... 30 3.7.4 Working with vibration........................ 30 3.7.5 Parking the machine........................31 3.8 Refuelling............................. 32 3.9 Emergency procedures......................33 3.10 Maintenance work........................34 3.10.1 Preliminary remarks......................... 34 DTR75D...
  • Page 4 6.4.1 Preliminary remarks and safety notes..................69 6.4.2 Working with vibration........................ 69 6.5 Switching the water spraying system on/off................71 6.6 Parking the machine in secured condition................72 6.7 Emergency procedures......................73 6.7.1 Disconnecting the battery......................73 6.7.2 Deactivating the reversing protection..................73 DTR75D...
  • Page 5 Troubleshooting..........................109 9.1 Preliminary remarks........................110 9.2 Starting the engine with jump leads..................111 9.3 Starting the engine with the recoil starter................112 9.4 Fuse assignment........................115 9.4.1 Fuse box........................... 115 9.4.2 Main fuse..........................115 9.5 Engine malfunctions......................... 116 DTR75D...
  • Page 6 Table of contents Disposal............................. 119 10.1 Final shut-down of machine....................120 DTR75D...

  • Page 7: Introduction

    Introduction Introduction DTR75D...

  • Page 8: Foreword

    For your own personal safety you should only use original parts from Dynapac. For your machine we offer service kits to make maintenance easier. In the course of technical development we reserve the right for technical modifications without prior notification.
  • Page 9 Introduction – Foreword The above notes do not constitute an extension of the warranty and liability conditions specified in the general sales and delivery conditions of Dynapac GmbH. We wish you successful work with your Dynapac machine. DTR75D...

  • Page 10: Machine Type Plate And Engine Type Plate

    Year of Construction Serial-No. Ammerländer Str. 93 D-26203 Wardenburg Made in Germany B-924-0001 Fig. 1: Machine type plate (example) Please enter here: Engine type (1): MADE IN ITALY Engine number (2): Model Spec. B-KOH-0001 Fig. 2: Engine type plate (example) DTR75D...

  • Page 11: Technical Data

    Technical data Technical data DTR75D...
  • Page 12 (19.7) (28.3) (8.3) (15.7) (43) (67) (6.1) (80) (84) (1.4) (0.3) (25.6) Dimensions in millimetres (Dimensions in inches) Weights Operating weight (1631) (lbs) Basic weight (1565) (lbs) Average axle load (816) (lbs) Average static linear load kg/cm (31.9) (pli) DTR75D...
  • Page 13 Driven drums front + rear Brakes Service brake hydrostatic Parking brake hydro-mechanical Exciter system Drive system hydrostatic Frequency (3780) (vpm) Amplitude, high (0,019) (in) Amplitude, low 0.25 (0,009) (in) Centrifugal force, high (5620) (lbf) Centrifugal force, low (2923) (lbf) DTR75D...

  • Page 14: Noise And Vibration Data

    Total vibration value a = 3.9 m/s on crushed rock determined acc. to ISO 5349 and EN 500. Associated uncertainty K = 0.5 m/s , determined acc. to EN 12096. Observe the daily vibration load (work safety acc. to 2002/44/EC). DTR75D...

  • Page 15: Concerning Your Safety

    Concerning your safety Concerning your safety DTR75D...

  • Page 16: Basic Prerequisites

    WARNING! Danger to life or danger of severe injuries if failing to comply! Sections marked accordingly indicate a dangerous situation that could lead to fatal or severe injuries, if this warning is disregarded. DTR75D...

  • Page 17: Personal Protective Equipment

    Safety shoes They protect against heavy falling parts and slipping on slippery ground. Protective gloves They protect the hands against scrapes, punctures or deeper injuries, irritating and caustic substances and burns. DTR75D...

  • Page 18: Intended Use

    Compaction of bituminous material (road surface layers) Intended use also includes compliance with the specified oper- ating, maintenance and repair measures. 3.1.5 Improper use Dangers may arise with the machine if it is used other than for its intended purpose. DTR75D...

  • Page 19: Estimated Service Life Of The Machine

    Regular safety inspections by an expert / qualified person Performance of the prescribed maintenance work within the specified time Immediate performance of necessary repair work Exclusive use of original spare parts DTR75D...

  • Page 20: Definition Of Responsible Persons

    Observe your local laws and regulations. Rights, obligations and rules of conduct for driver or operator: The driver or operator must: be instructed about his rights and obligations, wear protective equipment as appropriate for the application, have read and understood the operating instructions, DTR75D...
  • Page 21 Persons under the influence of alcohol, medication or drugs are not allowed to operate, service or repair the machine. Maintenance and repair work requires specific knowledge and must therefore only be performed by trained specialists. DTR75D...

  • Page 22: Basic Safety Regulations For Safe Operation

    Machines which are not safe to operate or in traffic must be imme- diately taken out of service and shall not be used, until these defi- ciencies have been properly rectified. Safety installations and switches must neither be removed nor must they be made ineffective. DTR75D...

  • Page 23: Handling Fuels And Lubricants

    / personal protective equipment physical and chemical properties stability and reactivity toxicological data environmental data notes on waste disposal information on transport legislation other data DTR75D...

  • Page 24: Safety Regulations And Environmental Protection Regulations For Handling Diesel Fuel

    Diesel fuel is an environmentally hazardous substance! – Always keep diesel fuel in proper containers. – Immediately bind spilled diesel fuel with an oil- binding agent and dispose of properly. – Dispose of diesel fuel and fuel filters according to regulations. DTR75D...

  • Page 25: Safety Regulations And Environmental Protection Regulations For Handling Oil

    Immediately bind spilled oil with an oil-binding agent. ENVIRONMENT! Oil is an environmentally hazardous substance! – Always keep oil in proper containers. – Immediately bind spilled oil with an oil-binding agent. – Dispose of oil and oil filter according to regula- tions. DTR75D...

  • Page 26: Safety Regulations And Environmental Protection Regulations For Handling Hydraulic Oil

    Immediately bind spilled oil with an oil-binding agent. ENVIRONMENT! Oil is an environmentally hazardous substance! – Always keep oil in proper containers. – Immediately bind spilled oil with an oil-binding agent. – Dispose of oil and oil filter according to regula- tions. DTR75D...

  • Page 27: Safety Regulations And Environmental Protection Regulations For Handling Battery Acid

    Do not wear jewellery (watch, bracelets, etc.) when working on the battery. – Wear your personal protective equipment (pro- tective gloves, protective clothing, goggles). ENVIRONMENT! Battery acid is an environmentally hazardous substance! – Dispose of battery and battery acid according to regulations. DTR75D...

  • Page 28: Loading / Transporting The Machine

    Fasten the lifting gear only at the specified lifting points. Danger to the life of persons if they step or stand under a sus- pended load. When lifting the machine, avoid uncontrolled movements of the load. If necessary, hold the load with guide ropes. DTR75D...

  • Page 29: Start-Up Procedure

    Do not inhale exhaust fumes, because they contain toxic sub- stances, which could cause damage to health, unconsciousness or even death. Avoid operation in closed or partly closed rooms, or ensure ade- quate ventilation when working in trenches. DTR75D...

  • Page 30: Work Mode

    When compacting with vibration you must always check the effect of the vibration on nearby buildings and underground supply lines (gas, water, sewage, electric power). If necessary stop compacting with vibration. Do not activate the vibration on hard (frozen, concrete) ground. Components may get damaged. DTR75D...

  • Page 31: Parking The Machine

    3.7.5 Parking the machine Park the machine on horizontal, level, firm ground. Before leaving the machine: Shut down the engine, secure the machine against unauthorised use. Mark machines, which could be in the way, with a clearly visible sign. DTR75D...

  • Page 32: Refuelling

    Do not spill any fuel. Collect leaking fuel, do not let it seep into the ground. Wipe off spilled fuel. Keep dirt and water away from the fuel. A leaking fuel tank can cause an explosion. Ensure tight fit of the cover; if necessary, replace immediately. DTR75D...

  • Page 33: Emergency Procedures

    Concerning your safety – Emergency procedures 3.9 Emergency procedures In events of emergency, e.g. in case of a cable fire, disconnect the battery from the vehicle’s electric system. DTR75D...

  • Page 34: Maintenance Work

    When working on the air filter no dirt should fall into the air duct. Do not work on the hot exhaust - danger of burning! Store used filters and other oil contaminated materials in a sepa- rate, specially marked container and dispose of environmentally. DTR75D...

  • Page 35: Maintenance Work On Electric Components And Battery

    ‘Measures prior to extended shut-down period’ on page 107. It is not necessary to define a maximum storage period if these measures have been performed. 3.10.7 After maintenance work Reassemble all guards and protections. DTR75D...

  • Page 36: Repair

    Repair Identify a defective machine with a warning sign. Only operate the machine after it has been repaired. Repairs must only be performed by an expert/qualified person. When replacing safety relevant components, only original spare parts must be used. DTR75D...

  • Page 37: Signage

    / 250 h tous les 6 mois cada 6 meses anualmente / 250 h F153 F103 Made by Designation Type Nominal Power Operating Mass Year of Construction Serial-No. Ammerländer Str. 93 D-26203 Wardenburg Made in Germany Hydraulic Oil B-924-0059 Fig. 9 DTR75D...
  • Page 38 Warning sticker - Follow operating instructions Fig. 10 Warning sticker - Hot surface Information sticker - Filler opening for hydraulic oil Hydraulic Oil B-DEC-0354 Fig. 11 Instruction sticker - Wear ear defenders Fig. 12 Information sticker - Guaranteed sound capacity level Fig. 13 DTR75D...
  • Page 39 Concerning your safety – Signage Information sticker - Disconnecting the battery B-DEC-0219 Fig. 14 Information sticker - Lashing point Fig. 15 Information sticker - Lifting point Fig. 16 Information sticker - fuses F153 F103 B-DEC-0380 Fig. 17 DTR75D...
  • Page 40 Concerning your safety – Signage Operation sticker - Throttle lever B-DEC-0359 Fig. 18 Operation sticker - Travel lever Fig. 19 Operation sticker - Vibration lever B-DEC-0246 Fig. 20 Brief operating instructions Instruction sticker - Observe operating instructions B-DEC-0381 Fig. 21 DTR75D...
  • Page 41 / 250 h anualmente / 250 h cada 6 meses B-DEC-0372 Fig. 22 Machine type plate (example) Made by Designation Type Nominal Power Operating Mass Year of Construction Serial-No. Ammerländer Str. 93 D-26203 Wardenburg Made in Germany B-924-0002 Fig. 23 DTR75D...
  • Page 42 Concerning your safety – Signage DTR75D...

  • Page 43: Indicators And Control Elements

    Indicators and control elements Indicators and control elements DTR75D...

  • Page 44: Machine

    Water spraying system lever Operating hour meter Starter switch 4.1.1 Water spraying system Position “0” Water spraying system off Turn anticlockwise Water spraying system on infinite adjustment of the spraying quan- tity up to “MAX” position B-016-0006 Fig. 25 DTR75D...

  • Page 45: Operating Hour Meter

    Starter switch is in position "I" (ignition on). Must stop after the engine has started. B-SYM-1217 During operation: Fig. 28 Low engine oil pressure detected. Shut down the engine. Check the engine oil level. If necessary, perform troubleshooting. Inform our Customer Service Depart- ment. DTR75D...

  • Page 46: Steering Rod

    Indicators and control elements – Steering rod 4.2 Steering rod B-834-0316 Fig. 29 Steering rod locking bolt Travel lever Throttle lever Reversing protection Cleaning rod Vibration lever Locking pawl lever Steering rod height adjustment 4.2.1 Steering rod locking bolt B-016-0005 Fig. 30 DTR75D...

  • Page 47: Travel Lever

    Position “STOP” Engine off Position “MIN” Idle speed Position “MAX” Maximum speed B-834-0320 Fig. 32 4.2.4 Reversing protection actuated Machine stops Travel lever is disengaged No travel movement possible release Reverse travel and forward travel pos- sible B-834-0321 Fig. 33 DTR75D...

  • Page 48: Vibration Lever

    4.2.6 Locking pawl lever Position “Bottom” Steering rod swings freely Normal operation Position “Top” Steering rod is locked in position Temporary operation with fixed steering rod, e.g. for work on uneven terrain B-016-0013 Fig. 35 4.2.7 Height adjustment B-016-0007 Fig. 36 DTR75D...

  • Page 49: Engine

    Indicators and control elements – Engine 4.3 Engine 4.3.1 Recoil starter B-016-0064 Fig. 37 DTR75D...
  • Page 50 Indicators and control elements – Engine DTR75D...

  • Page 51: Checks Prior To Start Up

    Checks prior to start up Checks prior to start up DTR75D...

  • Page 52: Notes On Safety

    Danger of injury caused by rotating parts! – Before starting work on the machine make sure that the engine can not be started. Ä Chapter 6.6 ‘Parking the machine Park the machine safely in secured condition’ on page 72. DTR75D...

  • Page 53: Visual Inspections And Function Tests

    Check the condition of the hydraulic oil tank and hydraulic lines and check for leaks. Check the condition of the fuel tank and fuel lines and for leaks. Check the bolted connections are tight and secure. Check the machine for contamination and damage. DTR75D...

  • Page 54: Daily Maintenance

    ð The oil level must be between the “MIN” and “MAX” marks. B-LOM-0010 Fig. 39 NOTICE! Danger of engine damage! – Do not overfill with engine oil. If the oil level is too low, top up engine oil to the “MAX” mark. Insert the dipstick. B-LOM-0009 Fig. 40 DTR75D...

  • Page 55: Checking The Fuel Level; Topping Up Fuel

    Working clothes Safety shoes Protective gloves Clean the area around the filling port. Diesel Remove the cap and check the filling level visually. If necessary, fill with fuel through a funnel with screen filter. Close the cap. B-LOM-0005 Fig. 42 DTR75D...

  • Page 56: Checking The Hydraulic Oil Level

    Check the oil level in the inspection glass. Normal level approx. height of inspection glass Minimum level approx. height of inspection glass B-016-0021 Fig. 44 Unscrew the covering plate to refill. Clean the area around the filling port. B-924-0004 Fig. 45 DTR75D...
  • Page 57 Checks prior to start up – Daily maintenance Unscrew the cap and fill in oil through a funnel with screen filter. Retighten the cap and covering plate. B-016-0022 Fig. 46 DTR75D...

  • Page 58: Checking The Reversing Protection

    If this does not work correctly, shut down the machine and notify our Customer Service department. Only operate the machine again after it has been repaired. B-834-0321 Fig. 49 Shift the travel lever to neutral position. ð The travel lever is engaged again. B-834-0325 Fig. 50 DTR75D...

  • Page 59: Checking The Rubber Buffers

    Check the rubber buffers, left and right, for tight fit, cracks and tear-offs. ð Replace damaged rubber buffers immediately. B-016-0023 Fig. 53 Check the rubber buffers on the steering rod, for tight fit, cracks and tear-offs. ð Replace damaged rubber buffers immediately. B-834-0327 Fig. 54 DTR75D...

  • Page 60: Checking The Water Level, Topping Up

    106. Protective equipment: Working clothes Safety shoes Clean the area around the filling port. Water Remove the cap and check the water supply in the water tank. If necessary, fill in clean water. Close the cap. B-016-0025 Fig. 55 DTR75D...

  • Page 61: Operation

    Operation Operation DTR75D...

  • Page 62: Folding Down And Adjusting The Steering Rod

    Click the locking pawl lever into position only for temporary operation with fixed steering rod, e.g. for work on uneven terrain. Turn the locking pawl lever to position “Top” and click it into position. ð The steering rod is locked in position. B-016-0027 Fig. 58 DTR75D...
  • Page 63 Operation – Folding down and adjusting the steering rod Turn the locking pawl lever to position “Bottom”. ð The steering rod can swing freely. B-016-0028 Fig. 59 DTR75D...

  • Page 64: Starting The Engine

    Ä Chapter 6.1 Folding down and adjusting the steering rod ‘Folding down and adjusting the steering rod’ on page 62. Set the throttle lever to “MIN” position. B-016-0031 Fig. 60 Shift the travel lever to neutral position. B-834-0325 Fig. 61 DTR75D...
  • Page 65 As soon as the engine is running, turn the ignition key to position “I”. The starter switch is designed with a re-start lock. The ignition key must first be turned back to position “0” before a new starting attempt can be made. DTR75D...
  • Page 66 Operation – Starting the engine Run the engine warm for approx. 1 to 2 minutes in idle speed. NOTICE! Danger of engine damage! – Warm up engine for a short while before starting work. Do not operate the engine immediately under full load. DTR75D...

  • Page 67: Travel Mode

    Always keep an eye on a running machine. Set the throttle lever to position “MAX”. B-016-0030 Fig. 65 Driving forward Shift the travel lever forward. ð The machine drives forward with a speed which corre- sponds to the travel lever position. B-834-0323 Fig. 66 DTR75D...
  • Page 68 At the same time, steer the machine by pushing from the side or pulling the steering rod handles. B-834-0333 Fig. 68 Stopping the machine Shift the travel lever to neutral position. ð The machine decelerates to a standstill. B-834-0325 Fig. 69 DTR75D...

  • Page 69: Work Mode

    Move the machine forward or back. NOTICE! Vibration at standstill causes transverse marks! – Do not switch on vibration with the machine at standstill. Shift the vibration lever to “Front” position. ð Minimum vibration is switched on. B-834-0329 Fig. 70 DTR75D...
  • Page 70 For short work interruptions you should always return the throttle lever to “MIN” position (idle speed). For short work interruptions you should always park the Ä Chapter 6.6 ‘Parking the machine in secured condition machine in secured condition’ on page 72. B-016-0032 Fig. 73 DTR75D...

  • Page 71: Switching The Water Spraying System On/Off

    6.5 Switching the water spraying system on/off For switching on, turn the lever out of position “0”. The spraying quantity can be infinitely adjusted until “MAX” position. For switching off, turn the lever to position “0”. B-016-0006 Fig. 74 DTR75D...

  • Page 72: Parking The Machine In Secured Condition

    Set the throttle lever to position “STOP”. ð The engine is shut down. B-016-0033 The warning buzzer sounds. Fig. 77 Turn the ignition key to position “0” and pull it out. ð The warning buzzer stops. B-ELE-0080 Fig. 78 DTR75D...

  • Page 73: Emergency Procedures

    The travel lever is disengaged. Step aside from the machine, slightly lift the steering rod for this, if necessary. Shift the vibration lever to position “0”, if necessary. ð Vibration is switched off after a short time. B-834-0328 Fig. 80 DTR75D...
  • Page 74 B-834-0325 Fig. 82 If the travel lever does not engage in neutral position, pull out the reversing protection if necessary. B-834-0326 Fig. 83 Shift the travel lever forward. Move the machine forward, away from the obstacle. B-834-0323 Fig. 84 DTR75D...

  • Page 75: Loading / Transporting The Machine

    Loading / transporting the machine Loading / transporting the machine DTR75D...

  • Page 76: Loading The Machine

    Park the machine safely Ä Chapter 6.6 ‘Parking the machine in secured condition’ on page 72. Fold the steering rod up to transport position. Secure the steering rod with one hand and lock it with the locking bolt. B-834-0335 Fig. 85 DTR75D...

  • Page 77: Lashing The Machine To The Transport Vehicle

    Use lifting tackle only in the specified loading direction. Lifting tackle must not be damaged by machine parts. Protective equipment: Working clothes Safety shoes Protective gloves Fasten four ratchet straps to the marked lashing points. Lash the machine securely to the transport vehicle. B-834-0337 Fig. 86 DTR75D...

  • Page 78: Loading By Crane

    Fasten the lifting tackle to the intended lifting point. DANGER! Danger to life caused by suspended loads! – Do not step or stand under suspended loads. Lift the machine carefully and set down again at the intended B-016-0052 location. Fig. 87 DTR75D...

  • Page 79: After Transportation

    Ä Chapter 6.2 ‘Starting the engine’ Start the engine on page 64. DANGER! Danger to life caused by the machine slip- ping or turning over! – Make sure that no persons are in the danger zone. Drive the machine carefully off the transport vehicle. DTR75D...
  • Page 80 Loading / transporting the machine – After transportation DTR75D...

  • Page 81: Maintenance

    Maintenance Maintenance DTR75D...

  • Page 82: Preliminary Remarks And Safety Notes

    After maintenance work has been completed, dispose of fuels and lubricants, filters, sealing elements and cleaning cloths in an envi- ronmentally friendly way. After all maintenance work is completed reinstall all guards and safety installations. DTR75D...

  • Page 83: Fuels And Lubricants

    Annually or every 250 operating hours. When changing to a higher alloyed oil quality after a longer period of operation, it is recommended to perform the first oil change of the higher quality oil already after 25 operating hours. DTR75D...

  • Page 84: Fuel

    8.2.3 Oil for exciter shaft housing Use only engine oils according to the following specifications: API CI-4 or higher quality Avoid mixing engine oils. DTR75D...

  • Page 85: Hydraulic Oil

    – After the changeover check the hydraulic oil fil- ters increasingly for contamination. – Have regular oil analyses performed regarding the water content and mineral oil. – Replace the hydraulic oil filter at the latest after 500 operating hours. DTR75D...

  • Page 86: List Of Fuels And Lubricants

    SAE 10W-30 Hydraulic system Hydraulic oil (ISO), HV 32 24 l Specification: Ä Chapter 8.2.4 ‘Hydraulic oil’ (6.3 gal us) on page 85 or ester based biodegradable hydraulic oil Ä Chapter 8.2.4.2 ‘Bio-degradable Specification: hydraulic oil’ on page 85 DTR75D...

  • Page 87: Running-In Instructions

    Ä Chapter 8.8.1 ‘Changing engine oil Change the engine oil and oil filter element’ on page 93. Check engine and machine for leaks. Retighten the fastening screws on air filter, exhaust and other attachments. Retighten the bolted connections on the machine. DTR75D...

  • Page 88: Maintenance Table

    8.10.2 Cleaning the scrapers 8.10.3 Checking/adjusting the scrapers 8.10.4 Cleaning the cooling fins and the cooling air intake openings 8.10.5 Cleaning the machine 8.10.6 Measures if there is a risk of frost 8.10.7 Measures prior to extended shut-down period DTR75D...

  • Page 89: Weekly

    If in doubt use a new air filter. Protective equipment: Working clothes Safety shoes Protective gloves Safety goggles Ä Chapter 6.6 ‘Parking the machine Park the machine safely in secured condition’ on page 72. Allow the engine to cool down. Remove the cap. B-692-0079 Fig. 90 DTR75D...
  • Page 90 Fig. 94 Examine the air filter with a torch for cracks and holes. Replace the air filter if it is damaged. Insert the air filter carefully into the filter housing and fasten it with the wing nut. DTR75D...

  • Page 91: Checking And Cleaning The Water Separator

    Loosen the drain plug and drain the fluid until pure diesel fuel starts to run out. Collect the escaping fluid. Screw the drain plug back on tightly. Ensure leak tightness. Dispose of collected fluid in line with environmental regula- tions. B-LOM-0013 Fig. 96 DTR75D...

  • Page 92: Semi-Annually

    Clean the battery poles and terminals and grease them with pole grease (Vaseline). On serviceable batteries check the acid level, if necessary top up to the filling mark with distilled water. Install battery and vibration damping mat. B-834-0338 Install the holding fixture of the battery. Fig. 98 DTR75D...

  • Page 93: Annually

    – Avoid touching hot components. Unscrew the drain plug and collect any oil running out. B-834-0348 Clean the drain plug and screw it back in. Fig. 100 Changing the oil filter Clean the area around the filter cover. DTR75D...
  • Page 94 After a short test run, check the oil level on the dipstick, top up oil if necessary. Close the cap. B-LOM-0010 Fig. 103 Concluding work Check filter cover and drain plug for leaks. Dispose of the oil and oil filter in an environmentally friendly way. DTR75D...

  • Page 95: Replacing The Fuel Filter

    Attach the fuel lines and fasten them with hose clamps. Open the fuel line. After a short test run check fuel filter and fuel lines for leaks. The fuel system is self-bleeding. Dispose of fuel and fuel filter in an environmentally friendly way. DTR75D...

  • Page 96: Changing The Oil In The Exciter Housing

    (e.g. spare parts number: DL 009 700 16). Dispose of oil in line with environmental regulations. B-834-0342 Fig. 107 8.8.4 Replacing the air filter NOTICE! Danger of engine damage! – Do not start the engine after having removed the air filter. DTR75D...
  • Page 97 ‘Parking the machine in secured condition’ on page 72. Allow the engine to cool down. Remove the cap. Fig. 108 Check the pre-filter in the cover for dirt or blockage, clean if necessary. Fig. 109 Unscrew the wing nut and remove the air filter. Fig. 110 DTR75D...

  • Page 98: Checking The Hydraulic Lines

    - fitting connection is impaired, the fitting shows corrosion that impairs both function and strength, incorrect installation (squeezing, shearing or chafing points), paint covered hydraulic hoses (no detection of identifica- tions or cracks), shelf life and service life exceeded. DTR75D...
  • Page 99 Maintenance – Annually Replace damaged hydraulic hoses immediately, fasten these properly and avoid chafing. Only operate the machine after it has been repaired. DTR75D...

  • Page 100: Every 2 Years / Every 500 Operating Hours

    Wear your personal protective equipment (pro- tective gloves, protective clothing). – Avoid touching hot components. B-834-0311 Unscrew the drain plug and collect any oil running out. Fig. 113 Clean the drain plug and screw it back in with a new seal ring. DTR75D...
  • Page 101 Fig. 115 Tighten the screws crosswise in the correct sequence 15 Nm 35 Nm (1 - 10), tightening torque: 15 Nm (11 ft·lbf). Then retighten the screws in the same sequence, tightening torque: 35 Nm (26 ft·lbf). B-834-0313 Fig. 116 DTR75D...
  • Page 102 Fig. 117 Concluding work Retighten the cap and covering plate. Check the connections on the hydraulic oil tank and the hydraulic oil filter for leaks. Dispose of the hydraulic oil and hydraulic oil filter in line with environmental regulations. DTR75D...

  • Page 103: As Required

    Unscrew the two spray tubes and pull them out of the frame. Flush the water tank out with a strong water jet. Flush spray tubes and water lines. Insert the spray tubes and screw them tight. Fill the water tank with clean water and close the cap. B-834-0334 Fig. 120 DTR75D...

  • Page 104: Cleaning The Scrapers

    8.10.3 Checking/adjusting the scrapers Protective equipment: Working clothes Safety shoes Protective gloves Check the condition of the front and rear scrapers, as well as both middle scrapers regarding settings and condition; read- just them if necessary. B-016-0048 Fig. 123 DTR75D...

  • Page 105: Cleaning The Cooling Fins And The Cooling Air Intake Openings

    In case of damp or oily contamination you should consult our customer service department. 8.10.5 Cleaning the machine NOTICE! Danger of engine damage caused by reduced cooling! – Immediately remove any oil or fuel leaks near fuel tank, cylinders or cooling air intake. DTR75D...

  • Page 106: Measures If There Is A Risk Of Frost

    Measures if there is a risk of frost Protective equipment: Working clothes Safety shoes Protective gloves Ä Chapter 6.6 ‘Parking the machine Park the machine safely in secured condition’ on page 72. Open the water tank cover. Water B-016-0025 Fig. 127 DTR75D...

  • Page 107: Measures Prior To Extended Shut-Down Period

    Smoking and open fire is prohibited! – Do not lay any tools or other metal objects on the battery. – Do not wear jewellery (watch, bracelets, etc.) when working on the battery. – Wear your personal protective equipment (pro- tective gloves, protective clothing, goggles). DTR75D...
  • Page 108 Check cables, hoses and lines for cracks and leaks. Check the service life of hydraulic hoses and replace if nec- essary. Start the engine and run it for 15 to 30 minutes with idle speed. Check the oil levels. Clean the machine thoroughly. DTR75D...

  • Page 109: Troubleshooting

    Troubleshooting Troubleshooting DTR75D...

  • Page 110: Preliminary Remarks

    Whenever a fault occurs you should therefore thoroughly read these instructions on correct operation and maintenance. If you cannot locate the cause of a fault or rectify it yourself by fol- lowing the trouble shooting chart, you should contact our customer service department. DTR75D...

  • Page 111: Starting The Engine With Jump Leads

    Ä Chapter 6.2 ‘Starting the engine’ Start the engine: on page 64. After starting, disconnect the minus poles first and the plus 12 V poles after. B-ELE-0027 Fold down the caps or put them on again. Fig. 131 DTR75D...

  • Page 112: Starting The Engine With The Recoil Starter

    Protective equipment: Hearing protection Safety shoes Protective gloves Folding down and adjusting the steering rod Ä Chapter 6.1 ‘Folding down and adjusting the steering rod’ on page 62. Set the throttle lever to “MIN” position. B-016-0031 Fig. 132 DTR75D...
  • Page 113 Shift the vibration lever to position “0”. B-834-0328 Fig. 134 Turn the ignition key to position “I”. B-ELE-0081 Fig. 135 Pull the rope by the starter handle, until resistance can be felt. Guide the starter handle back to initial position. B-GEN-0083 Fig. 136 DTR75D...
  • Page 114 Run the engine warm for approx. 1 to 2 minutes in idle speed. NOTICE! Danger of engine damage! – Warm up engine for a short while before starting work. Do not operate the engine immediately under full load. DTR75D...

  • Page 115: Fuse Assignment

    9.4 Fuse assignment 9.4.1 Fuse box B-834-0345 Fig. 138 Fuse Amperage Designation F153 10 A Fuse for potential 15 F103 10 A Fuse for potential 15 9.4.2 Main fuse B-016-0057 Fig. 139 Fuse Amperage Designation 30 A Main fuse DTR75D...

  • Page 116: Engine Malfunctions

    Air in the fuel system Check the fuel system for air entry. Too much oil in exciter housing. Drain the oil from the exciter housing Engine looses Air filter contaminated Clean the air filter, replace if necessary. power and speed, DTR75D...
  • Page 117 Clutch between engine and hydraulic Have it replaced by qualified expert per- pump defective sonnel Engine runs with Clutch between engine and hydraulic Have it replaced by qualified expert per- high speed, but no pump defective sonnel travel movement DTR75D...
  • Page 118 Troubleshooting – Engine malfunctions DTR75D...
  • Page 119 Disposal Disposal DTR75D...
  • Page 120 23. Protective equipment: Working clothes Safety shoes Protective gloves Safety goggles Remove the batteries. Empty the fuel tank. Drain engine oil from engine and exciter housing. Drain off hydraulic oil. DTR75D...

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