CROMMELINS™ DRIVE UNITS
OPERATION & INSTRUCTION MANUAL
Thank you for your selection of a CROMMELINS™ Drive Unit. This Operation Manual explains its use, installation, checking and maintenance. We highly recommend that you retain this manual for ready reference regarding proper handling of the CROMMELINS™ Drive Unit.
Thank you very much for purchasing a CROMMELINS™ DRIVE UNIT. This manual covers the operation and maintenance of the CROMMELINS™ DRIVE UNIT. This CROMMELINS™ DRIVE UNIT can be used in the agricultural, mining, construction, hire industries, and general use. Please take a moment to familiarise yourself with the proper operation and maintenance procedures in order to maximize the safe and efficient use of this product. Keep this owner’s manual at hand, so that you can refer to it at any time. Due to constant efforts to improve our products, certain procedures and specifications are subject to change without notice. When ordering spare parts please have handy your product’s model number and serial number. Record these numbers in the boxes below for future reference.
MODEL NO…………………………….
SERIAL NO………………………
SAFETY
This manual contains important information on how to use the following drive unit models DU53, DU53D, DU53DS41, DU53BF, DU53EX17 and DU73 properly and safely. Please read through this manual before you attempt to operate the machine.
Ensure safe operation, this drive unit is designed to give safe and dependable service if operated according to the instructions.
- Always make a pre-operation inspection before starting the engine. (For more information read engine operational manual)
- Do not place flammable objects near the unit.
- Children and pets must keep away from the area of operation at all times.
- Never allow anyone to operate the unit without proper instructions.
- Must know how to stop the engine quickly and understand the operation of all controls.
- Be careful with the operating place and ventilation, avoid operating the machine in a closed room, tunnel, or other badly ventilated places, since its exhaust contains deadly poisonous carbon monoxide. If the machine is unavoidably operated in such a place, discharge the exhaust outside the room by a suitable means.
- Mufflers and other hot parts are dangerous. Do not touch them with your hands or any other body parts.
- Observe the following cautions when transporting. Close fuel tank cap securely and close fuel tap tightly during transportation. Drain petrol or diesel from the fuel tank before transporting over a long distance or on rough roads.
- Stop the engine without fail before replenishing the fuel tank. Never replenish fuel while the engine is running or remains hot otherwise spilled or evaporated fuel is liable to catch fire from the engine spark or muffler heat. Wipe off spilled fuel before starting the engine.
To prevent injury wear the following protective items: Gloves, hard hats, work boots, ear plugs, safety glasses, and any other protective items required by job conditions.
COMPONENTS (MOST MODELS)
CONNECTING DRIVE PUMP OR VIBRATOR SHAFT
- Ensure that the connecting end is securely engaged and properly latched into the drive unit.
BEFORE STARTING
- Check the engine in accordance with the operation manual for the engine.
- Check fuel and engine oil.
- Check bolts and screws for tightness and make sure all bolts and screws are securely tightened. Loose bolts and screws may cause damage to the unit.
STARTING
- Open fuel tap.
- Set the speed control lever to the starting position.
- Close the choke lever of the carburetor (leave the choke lever half-open position during warming up the engine – petrol engine only).
- Pull the recoil starter strongly.
- After the engine has started open the choke lever fully and warm up the engine for 2-3 minutes in the low-speed position.
OPERATING
- Take care, not to over-speed the flexible shaft or damage could result.
- Engine speed is set to 3100RPM which is correct for vibrator shafts. Operating in excess of this speed may cause damage to the vibrator shaft.
STOPPING THE MACHINE
- Operate the machine 1-2 minutes with the throttle lever set back to the low-speed position.
- Turn the ignition switch to “OFF” for the petrol unit. Press the STOP lever for a diesel unit.
- Close the fuel cock.
- After the engine has cooled, it is highly recommended to wipe off the machine and inspect oil seals for any unusual leakage from the engine.
- It is also recommended that a cover be placed over the machine once cooled, to provide protection to the machine as well as the engine.
MAINTENANCE
When assembling, lubricating, or adjusting any part of the machine, make sure to stop the engine and disconnect the spark plug wire. Service the engine according to the engine
manufacturer’s specifications. Refer to the engine operation and maintenance manual.
Maintenance: Every 8 hours or daily
- Check for loose bolts and nuts, retighten if necessary.
- Check and clean the air filter element, and re-lube the element according to the engine manufacturer’s recommendations. If operating conditions are usually dusty and severe, cleaning of filter elements should be done more frequently.
- Check the oil level in the crankcase and replenish as necessary. Recommended engine oil is SAE-30.
Maintenance: Every 450 – 500 hours
FUEL & LUBRICANT
| Engine Model | Fuel Tank Capacity | Engine Oil Per Litre | Engine Oil Type | Fuel Type | Spark Plug |
| EY2OD | 3.8L | 0.6L | SAE30 | Petrol | NGK BR6HS |
| DY272D | 3.2L | 0.9L | SAE30 | Diesel | – |
| DY272DS | 3.2L | 0.9L | SAE30 | Diesel | – |
| EX17 | 3.6L | 0.6L | SAE30 | Petrol | NGK BR6HS |
| EH25DU | 6.0L | 1.0L | SAE30 | Petrol | NGK BR6HS |
TRANSPORTATION
- Before transportation, confirm that the fuel shut-off valve is closed.
- Be sure to let the engine cool off before transportation.
- When loading and unloading the machine to and from the vehicle, lift the machine with extreme care. The machine is heavy, and must not be lifted single-handedly. Lift
the machine by two people holding each side of the roll frame. - Tie the machine firmly to the vehicle during the transportation.
STORAGE
- Make sure that the engine is completely cooled off before storage.
- Clean up oil and dust accumulation on rubber parts.
- Remove flexible drive pump or vibrator shaft before storage.
- Cover the machine and store it in a dry place.
- For long-term storage of petrol units, remove fuel from the fuel tank. Also, remove remained in the fuel line and chamber of the carburetor. To drain fuel from the chamber of the carburetor, remove the drain plug provided at the chamber, and remove fuel.
WARRANTY
Consult the CROMMELINS Machinery warranty leaflet (supplied with your new product) for full details and a list of service dealers for this product, also available online at
www.crommelins.com.au.
DRIVE UNITS SPECIFICATION CHART
| MODEL | DU53 | DU53D | DU53DS41 |
| Weight (kg) | 32.0 | 49.0 | 61.0 |
| Engine Make | Subaru | Subaru | Subaru |
| Engine | 5.0hp EY20 | 5.4hp DY27 | 8.5hp DY41 |
| Engine Features | Recoil Start | Recoil Start | Electric Start |
| Fuel Type | Petrol | Diesel | Diesel |
| Fuel Tank Capacity | 3.8L | 3.2L | 4.5L |
| Noise Level db@7m | 69.0 | 74.0 | 78.0 |
| Manufacturers Warranty | 2 yrs | 2 yrs | 2 yrs |
| Engine Warranty | 3 yrs | 3 yrs | 3 yrs |
| Drives Vibrators (up to) | 65mm | 65mm | 75mm |
| Drives Pumps (up to) | 50mm | 50mm | 75mm |
| Roll Frame | Heavy Duty | Heavy Duty | Heavy Duty |
| Sub Frame | Rubber Mounted | Rubber Mounted | Rubber Mounted |
| MODEL | DU53BF | DU53EX17 | DU73 |
| Weight (kg) | 31.0 | 32.0 | 38.0 |
| Engine Make | Subaru | Subaru | Subaru |
| Engine | 5.0hp EY20 | 6.0hp EX17 | 8.5hp EH25 |
| Engine Features | Recoil Start | Recoil Start | Recoil Start |
| Fuel Type | Petrol | Petrol | Petrol |
| Fuel Tank Capacity | 3.8L | 3.8L | 6.0L |
| Noise Level db@7m | 69.0 | 66.0 | 70.0 |
| Manufacturers Warranty | 2 yrs | 2 yrs | 2 yrs |
| Engine Warranty | 3 yrs | 3 yrs | 3 yrs |
| Drives Vibrators (upto) | 65mm | 65mm | 65mm |
| Drives Pumps (upto) | 50mm | 50mm | 75mm |
| Roll Frame | Heavy Duty | Heavy Duty | Heavy Duty |
| Sub Frame | Rubber Mounted | Rubber Mounted | Rubber Mounted |
TROUBLESHOOTING GUIDE
| PROBLEM | CAUSE | SOLUTION |
| The engine won’t start Units with Oil Alert System | 1. Engine switch in OFF position 2. Throttle lever on/off switch in OFF position 3. No fuel in the engine 4. Worn, fouled or dirty spark plug 5. Pressure build up in the pump 1. Engine not level or engine oil level too low | 1. Turn engine switch to ON position 2. Turn throttle lever to ON position 3. Fill fuel tank or turn on fuel supply 4. Replace with factory recommended spark plug 5. Squeeze the trigger on the spray wand to release pressure in the hose line 1. Place the engine on a level surface or fill the crankcase with oil (refer to engine manufacturers instruction manual) |
| Engine with low power | 1. Throttle control lever not set to full throttle position 2. Partially clogged gun nozzle | 1. Set throttle control lever to full position 2. Clean nozzle of any blockage |
| The engine runs well at no load but ‘bogs’ down under full load | 1. Engine speed to low | 1. Contact your pressure cleaner dealer |
| The engine will not start: or starts and runs rough | 1. Low oil level 2. Dirty air filter 3. Out of petrol 4. Stale petrol 5. Spark plug wire not connected to spark plug | 1. Fill crankcase to the proper level 2. Clean or replace air cleaner 3. Fill fuel tank 4. Drain the fuel tank, fill it with fresh fuel 5. Connect a wire to the spark plug |
| REF | PART NO. | DESC | QTY |
| DU530100 | BASE & H-PLATE SET | 1 | |
| 2 | DU530200 | BELL HOUSING AND DRIVE DOG SE | 1 |
| 3 | > DU530210 | LATCH PIN ASSEMBLY | 1 |
| 4 | > DU530320 | 3 DOG COUPLING 20MM | 1 |
| 5 | 8X3OSH | SCREWS 8 X30 | 4 |
| 6 | 4504000500 | RUBBER MOUNTS | 4 |
| 7 | 3049 | HEX ZP NUT 10 | 8 |
| 8 | 3714 | WASHER S10 | 8 |
| 9 | 8X50 | BOLTS | 4 |
| 10 | 14408 | WASHER 8S | 8 |
| 11 | 3048 | NUT 8 | 4 |
| OPTIONAL PARTS | |||
| 4 | > DU530310 | 3 DOG COUPLING 1 | 10 |
| 4 | > DU530319 | 3 DOG COUPLING 19mm | 10 |
| 4 | > DU530325 | 3 DOG COUPLING 25MM | 10 |
| 12 | > DU53W | BELL HOUSING SPACER 8MM (DIESELS) | 10 |
Hire and Rental Industry Association Ltd
Product Safety Assessment Sheet
PLANT INFORMATION
| PSA Ref tt: 00012 Model No: DU53 Plant Name: CROMMELINS ENGINE DRIVEN DRIVE UNIT DU53 Manufacturer: Cromrnelins Machinery WA Manufacturer’s Website: www.cromrnelins.com.au Web Link for Plant: www.comments.com The potential noise level in dB: 95 to less than 100 Required hearing protection class: 3 Mandatory Personal Protective Equipment: |  CROMMELINS– |
 |
RISK ASSESSMENT INFORMATION
Operator Competency: Plant Licence Not Required
| Potential Hazard(s) | Risk Level | Control Measure(s) |
| Explosion or fire from fuel vapors. | Medium | •Stop the engine before refueling. Do not refuel while hot. Avoid spillage of fuel when refueling. Ensure the fuel cap is properly secured after refueling. Carry out a visual inspection for fuel leaks and repair before operation. Keep flammables away from the engine. Warning label on the engine. Do not smoke while operating. servicing or refueling this machine. |
| Exposure to ultraviolet radiation if working outdoors. | Medium | •Wear sunscreen, a hat, long sleeves, and long trousers. |
| Inhaling exhaust or fuel fumes. | Medium/Low | •Operate only in a well-ventilated area. Do not operate in a confined space. Avoid breathing petrol fumes. Avoid skin contact with petrol. Warning label on the engine. |
| Contact with hot parts of the engine. | Medium/Low | •The muffler is fitted with a heat shield. Let the engine cool down before attempting any maintenance. Avoid contact with hot components. Warning label on the engine. |
| Manual handling hazard. | Medium/Low | •Use two people to kit Do not attempt to lift by one person. Weight 32 kgs. |
| Hearing damage from excessive Medium/Low noise. | •Hearing protection with a rating of 20db must be worn. |
| Coming into contact with moving Low parts. | •All moving parts are shielded. Do not remove guards or covers. |
| Do not use on inclines of more than 20 degrees | •Ensure the equipment is operated on a stable. level surface. If equipment is operated on a slope, engine seizure may occur due to improper lubrication, even with max. oil level and functioning oil protection system. Fuel spillage may also occur. |
Customer Identified Hazards)
Key Operating Instructions Use unleaded fuel only.
To START, turn on the fuel tap by moving the lever to the down position.
Ensure the stop switch on the engine is in the ON position.
For cold starting close the choke lever. Start the engine by pulling the recoil rope with the throttle in a low-speed position_
As the engine warms up return the choke to the open position.
To commence operation open the throttle to the desired speed.
Ensure that the connecting end is securely engaged and property latched into the drive unit.
Take care, not to Overspeed the flexible shaft or damage could result.
To STOP. return the throttle to low speed, turn the stop switch to OFF and turn off the fuel tap_
Please refer to the User Guide and Operator’s Manual for Operating Instructions
The Safety Information on this assessment has been developed for the Hire and Rental Industry to assist in the safe operation of this equipment.
This information contains general information only and should not be relied upon as a substitute for professional advice, which the user should seek before operating.
Once printed this is an uncontrolled copy.
Issue #: 1
• Issued 8-11-2010
• Printed 11-3-2013
• Copyright 02013 HRIA Ltd.
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