Serial Numbers MAKE A NOTE OF THE SERIAL NUMBERS OF YOUR MACHINE & ENGINE AND ALWAYS NOTE QUOTE THEM IN ANY COMMUNICATION WITH PERSONNEL AT DENNIS. The reliability and quality of performance of the depends upon some simple care maintenance carried out regularly.
Manufactured with a 20” (51cm), or 24” (61cm) cutting width, this range of machines is powered by a 4.0hp air cooled, single cylinder, four stroke petrol engine. The rear roller and cutter are controlled independently via belt clutches operated from the console on the upper handle In the design of the machine, special attention has been given to the importance of easy service and maintenance with the construction based on a sectional assembly system.
In order to operate the machine safely please follow these Health and Safety guidelines. READ THE INSTRUCTIONS CONTAINED IN THIS MANUAL WITH CARE. IF YOU ARE IN ANY DOUBT PLEASE ASK YOUR EMPLOYER OR CONTACT US DIRECT AT DENNIS. Be familiar with the controls and the proper use of the equipment.
Controls This switch stops the engine and can be used to do so at anytime during the operation of the machine. Ensure it is in the position before attempting to start the engine. This is an operator presence control. The engine will tick over without need for this to be depressed when the cylinder and drive are disengaged.
BEFORE YOU OPERATE THIS MACHINE YOU MUST READ AND STUDY THIS MANUAL. IF YOU ARE IN ANY DOUBT PLEASE ASK YOUR EMPLOYER OR CONTACT US DIRECT. Before commencing ensure the turf is free from stones or other obstructions which may damage the cassette unit. Set the height of cut to the required level (see page 10) Check the engine.
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Depress the (Item 15) Push the (Item 12) forwards. (Item 14) forwards. Set the to increase / reduce speed. (Item 14) Pull the (Item 16) backwards. Release the (Item 15) RELEASING THE “DEADMANS CONTROL LEVER” WITH THE CUTTER ENGAGED WILL NOTE CAUSE THE ENGINE TO STOP Simplex...
General Adjustments Always stop the engine before adjusting the height of cut. Failure to do this may result in serious injury. The length of grass after cutting depends on the setting of the front roller in relation to the main frame of the machine.
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General Adjustments The cylinder cassette can be set either in or out of the machine. To remove the cassette see page 12. [19mm spanner] blade towards the cylinder. length of the cylinder. set the cylinder hard to the bottom blade. This will cause excessive wear of both components and increase fuel consumption.
Routine Maintenance designed for clutching applications. The cylinder clutch pulley moves into tension the belt via a control cable. The tension in the cable can be Under tensioning this belt will lead to slip and cause rapid wear. Over tension will put excessive Cylinder stain on the belt and bearings.
A grease point is located under the belt guard on the side plate of the machine. This is to lubricate the internal spur gear that provides drive to the rear roller. Apply one pump of grease. Do not over grease. Apply a small amount of oil to the control cables.
10 38 12 24 18 1 194946 Chain Case Screw SP01053 Hex Set Screw 1/2” Unf x 1” 229000 Support Plate SP02004 Nut M6 Nyloc 229004 Engine Bearers SP02005 Nut M8 Std 229005 Cable Stop SP02006 Nut M8 Nyloc 229006 Belt Guide Roller Clutch Top SP02008 Nut M10 Nyloc...
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45 50 27 29 28 73445 Key 3/16” x 3/16” x 2 1/4” Rd End J20023 Unit Limiting Stud 228001 Tapered Bush 1610 - 3/4” J20052 Bearing 6204-2RS 3 228002 Tapered Bush 1108 - 3/4” J20457 Key 3/16” x 3/16” x 1” Rd End 228004 Pulley SPZ-71 J20467...
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73445 Key 3/16” x 3/16” x 2 1/4” Rd End J20023 Unit Limiting Stud 228001 Tapered Bush 1610 - 3/4” J20052 Bearing 6204-2RS 3 228002 Tapered Bush 1108 - 3/4” J20457 Key 3/16” x 3/16” x 1” Rd End 228004 Pulley SPZ-71 J20467 Grub Screw M8 x 8...
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228001 Tapered Bush 1610 - 3/4” 228011 Coupling Half (3/4”) 229015 Flywheel 229900 Engine 4.5 Hp Honda GX120 Q9 Type J20467 Grub Screw M8 x 8 J209025 Key 3/16” x 3/16” x 1 3/4” Rd End SP01079 Grub Screw 3/8” x 5/8” Simplex SP20006_REV_0...
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J20550 20” Front Roller J24550 24” Front Roller J20551 Scraper Bar Ear J20552 20” SS Scraper Bar J24552 24” SS Scraper Bar J209225 S.S. Roller Quadrant J209252 Lock Screw SP02010 Nut M12 Nyloc SP02014 Nut M12 Lock (Thin) SP03012 Washer M12 Form A Simplex SP20006_REV_0...
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228093 Bolt Saddle M8 x 43 228094 End Tip 5/16” 229724 Arm Pivot Bush 229725 Pivot Arm Lower Handle 229726 Bush Handle Pivot 229736 Pivot Bolt 230014 Console Cover (Switched) 230020 20” Handle Lower W.A. 230040 Handle Upper W.A. J20107 Handle Grip Rubber 229698 Throttle Control Lever...
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229167 Clutch Spring 230170 Lever R.H. W.A. 230171 Lever L.hH W.A. 230207 Lever Bracket Assy J20017 Knob - Red SP01070 Cap Head M2 x 12 SP01081 Cap Head M5 x 12 SP02038 Nut M2 (Bush) SP12007 Wiring Harness Simplex SP20006_REV_0...
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Chain Case Screw 228031H Chain Case Seal 229375 Warning Decal 229599 Engine On / Off Decal 229600 Cutting Cylinder Decal 229603 Parking Brake Decal 229604 94db Decal B32902 Decal Dennis B32903 Union Jack Decal J20362 Dennis Decal Small Simplex SP20006_REV_0...