ENGINE SERIAL NUMBER Introduction The reliability and quality of performance of the DENNIS FT depends upon some simple care maintenance carried out regularly. This manual has been prepared to allow the user to carry out all such work. It is advisable to read the instructions carefully. Proper care and attention will enable the machine to give a continuous, satisfactory, and reliable service.
Machine Description Manufactured with a 17” (43cm) 20” (51cm) or 24” (61cm) cutting width this mower is powered by a 5.5 h.p. air cooled single cylinder four stroke petrol engine (3.5hp FT430) The rear roller is powered via a slipping brake band clutch mechanism that allows infi...
TRAINING READ THE INSTRUCTIONS CONTAINED IN THIS MANUAL WITH CARE. IF YOU ARE IN CAUTION ANY DOUBT PLEASE ASK YOUR EMPLOYER OR CONTACT US DIRECT AT DENNIS. • Be familiar with the controls and the proper use of the equipment.
Operating Instructions BEFORE YOU OPERATE THIS MACHINE YOU MUST READ AND STUDY THIS MANUAL. CAUTION IF YOU ARE IN ANY DOUBT PLEASE ASK YOUR EMPLOYER OR CONTACT US DIRECT. PREPARATION FOR USE • Before commencing ensure the turf is free from stones or other obstructions which may damage the cassette unit. •...
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Operating Instructions STARTING THE ENGINE Once the preparatory steps have been completed as outlined on page 7 the engine may be started. (See manufacturer operating manual for full details). 1) Switch on the fuel tap. 2) Switch the handlebar cut off switch to ON, or depress deadmans handle (Item 1) 3) Set the throttle control to a half open position.
General Adjustments SETTING FOR HEIGHT OF CUT Always stop the engine before adjusting the height of cut. Failure to do this may result in severe injury. The length of grass after cutting, or depth of scarifi cation / dethatching / brushing, depends on the setting of the front roller in relation to the main frame of the machine.
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General Adjustments CUTTER SETTING ADJUSTMENT For cutter cylinder cassettes (5 or 9 blade units). For a full view of the setting operation we suggest you remove the cassette from the machine and place on the back fl at edge of the frame at a comfortable height. It is now possible to make adjustments in the machine without cassette removal should you prefer.
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General Adjustments HANDLEBAR ADJUSTMENT The height of the Handle Bars can be adjusted to suit various operators. Follow the below instructions:- 1. Remove Bolt (Item 1) on both sides of the machine. 2. Select the require position out of the 3 available. 3.
Removing The Cassette Unit To remove the cassette unit for maintenance or to exchange cassettes the following procedure should be followed:- 1) Unscrew the hand wheel of the retaining pin for about half-an-inch (13mm) until the pip end is inside the nut on the side frame. 2) Slide the cassette unit along the tie bars as far as it will go until the cutter nut and coupling is clear of the three pins in the driving coupling.
ENGINE The FT is fi tted with a Honda GX160 (GX120 on FT 430) petrol engine. All are single cylinder, overhead valve, 4 stroke, forced air colled engines. For full specifi cations please refer to the manufacturers instruction manual included.
Routine Maintenance BRAKE BAND ADJUSTMENT (Rear Axle Drive) The brake band assembly is mounted on the end of the rear axle spindle on the right hand side of the machine. The assembly comprises a cast iron drum inner member, which is stopped or braked with a lined steel brake band. This operates dry and no lubrication of any kind is required.
General Lubrication REAR ROLLER The centre section gear case chamber of the rear roller is an assembly in two halves and contains the epicyclic gear system, which runs in an oil bath. The chamber is charged with gear oil EP 90 before the machine leaves the works and should require no further fi lling during the cutting season.
ENGINE NUMBER. A BOX TO ENTER THESE FOR EASY REFERENCE IS AT THE BEGINNING OF THE MANUAL. This manual contains listing of parts for the Dennis FT430, FT510 and FT610 machines. An illustration of the parts as an assembly is shown above the list.
FT Guide to Cassette Use 9 BLADE CYLINDER (SEE PAGE 33) • For cutting fi ne turf areas. • Three bottom blade options. • Comb active or passive. 5 BLADE CYLINDER (SEE PAGE 33) • For general purpose cutting. • Comb active or passive.
1.01 Chassis - Main Assembly Item No. Part No. Description Quantity Item No. Part No. Description Quantity 229492 Retaining Plate Assy SP02018 Nut 3/8” UNF Nyloc 230004 Support Bracket SP03008 Washer M8 Form A 230006 Support Plate Engine 800104 Cassette Retaining Screw 800020 FT L.H.
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1.02 Chassis - LH Side Plate Item No. Part No. Description Quantity J209253 Side Plate LH 229741 Buffer Block 229742 Buffer J209072 Chain Case Stud J20216 Unit Limiting Stud J20238 Shoulded Gearing Stud J20008 Back Plate With Hole J20221 Male Coupling J209203 Cassette Driven Pulley / Shaft J209206...
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1.03 Chassis - RH Side Plate Item No. Part No. Description Quantity J209254 Side Plate RH J20023 Unit Limiting Stud 229741 Buffer Block 229742 Buffer SP03003 Washer M6 Toothed SP01008 Hex Set Screw M6 x 16 J209229 Clutch Rod Stop J209078 Retaining Screw Plate SP01016...
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2.01 Cutter Engagement - Main Assembly Item No. Part Number Description Quantity J209230 Dog Clutch Fork Assy. J179231 17” Clutch Control Rod J209231 20” Clutch Control Rod J249231 24” Clutch Control Rod J20017 Knob - Red J209024 Nut 5/16 BSF Lock (Thin) J209026 Nut 5/16 UNF Lock (Thin) J209019...
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3.01 Front Roller - Main Assembly Item No. Part No. Description Quantity 800002 Front Roller Assy 17” 800502 Front Roller Assy 20” 800503 Front Roller Assy 24” J20522 End Block RH J20521 End Block LH 800149 Click Height Adjuster RH 800148 Click Height Adjuster LH 800182...
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5.01 Guards - Main Assembly Item No. Part No. Description Quantity B32902 Decal Dennis J209074 Brake Band Cover Screw 194946 Chain Case Screw 228031 Belt Guard Seal 1.23m J20712 Belt Guard J20206 Brake Band Cover B32903 Decal Union Jack 228031 Brake Band Seal 0.62m...
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229724 Arm Pivot Bush 229725 Pivot Arm Lower Handle 229726 Bush Handle Pivot 229736 Pivot Bolt B32902 Decal Dennis 230035 Handle Lower 17” W.A. 230020 Handle Lower 20” W.A. 230030 Handle Lower 24” W.A. 230040 Handle Upper W.A. Not Shown J20112 Throttle Cable (Honds MKII &...
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17 29 7.01 Engine & Drive Kit - Main Assembly Item No. Part No. Description Quantity Item No. Part No. Description Quantity 228103 Coupling Element J209106 E Clip 16mm 230004 Support Bracket 228104 Circlip N1460-0087 See 2.01 Cutter Engagment Assy (FT430) 228105 Circlip D1460-25 See 2.01...
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9.01 Cassette - Cutter Item No. Part No. Description Quantity Item No. Part No. Description Quantity J19998 Cassette Side Plate W.A. L.H. J209303 Adjuster Rod J19999 Cassette Side Plate W.A. R.H. J209304 Shim Od: 22 Id:16 THK 0.3 J17040 Cylinder 5 Blade 17” J20008 Back Plate With Hole J20040...
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* - Multi Brush Shown 9.02 Cassette - Brush Item No. Part No. Description Quantity Item No. Part No. Description Quantity 228062 3/4” Tube Bung (3132) SP01011 Hex Set Screw (3/8” UNF x 3/4”) 800174 Brush Shaft Assembly (17” Multi) SP02004 Nut Nyloc (M6) 800186...
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1 & 2mm Std 2mm Tungsten 9.03 Cassette - Scarifi ers Item No. Part No. Description Quantity Item No. Part No. Description Quantity 228062 3/4” Tube Bung (3132) SP01008 Hex Set Screw (M6 x 16) 800047 1mm Scarifi er Hob Assy (17”) SP01009 Hex Set Screw (M8 x 20) 800052...
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9.04 Cassette - Slitter Item No. Part No. Description Quantity Item No. Part No. Description Quantity 230318 Blanking Plate J20057 Scarifer Blade 2mm J20000 Cassette Side Plate WA ND J17011 Cassette Tie Bar (17”) Not Shown J20011 Cassette Tie Bar (20”) J20059 Nut 7/8”...
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9.05 Cassette - Sorrel Item No. Part No. Description Quantity 228062 3/4” Tube Bung (3132) 230318 Blanking Plate J20000 Cassette Side Plate WA ND J17011 Cassette Tie Bar (17”) J20011 Cassette Tie Bar (20”) J24011 Cassette Tie Bar (24”) J20023 Unit Limiting Stud J20051 Bearing Housing (6204)