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 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 maximise the safe and efficient use of this product. Keep this owner’s manual at hand, so that you can refer to it at anytime.
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.
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 operation manual for 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.
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, re-lube the element according to engine manufacturer’s recommendations.
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 unit, remove fuel from the fuel tank. Also remove fuel remained in the fuel line and chamber of the carburettor. To drain fuel from the chamber of the carburettor, remove the drain plug provided at the chamber, and remove fuel.
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.
TROUBLE SHOOTING GUIDE PROBLEM Engine won’t start CAUSE 1. Engine switch in OFF position 2. Throttle lever on/off switch in OFF position 3. No fuel in engine 4. Worn, fouled or dirty spark plug 5. Pressure build up in pump SOLUTION 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 trigger on spray wand to release pressure in hose line Units with Oil Alert System 1.
