Rancher Ride-On Owners Manual Model No. 1766 • • • • WARNING A mower is a high speed cutting tool. Safety precautions must be observed to reduce the risk of accident. Careless or improper use may cause serious injury. Be sure that you read and fully understand the contents of this Owner’s Manual. Should any point me unclear, contact Rover-Scott Bonnar Limited, in your state or an authorized Rover-Scott Bonnar Service Agent for assistance. Keep the owners manual in a safe place for future reference.
SAFETY INSTRUCTIONS • A mower user must be in good physical condition and mental health and not under the influence of any drug or alcohol which might impair vision or judgment. • Do not use a mower when tired or fatigued. Lack of alertness may cause serious injury. • Know your controls. Read and understand Owner’s manual before operating mower. Learn how to stop the mower in an emergency. Refer Operator’s Instructions. • Do not lend or sell the mower without the Owner’s Manual.
SAFETY FEATURES ⎯ Traction drive, blade drive and seat safety interlock: ⎯ Enclosed engine and muffler: ⎯ Enclosed drives: ⎯ Full foot rest: ⎯ Low centre of gravity stable wide track. ⎯ Parking brake.
SPECIFICATIONS ROVER RANCHER Machine Model No. Engine Model No. Single Cylinder 4 Stroke Fuel Capacity Oil Capacity Lubrication Spark plug type Spark Plug Gap Ignition Type Engine Oil 1766 To emphasize special information the words WARNING and CAUTION are used. 280702 Briggs & Stratton 12 HP. 465cc 4.0 Litres 1.42 Litres Gear Impellor Champion CJ8 0.7 to 0.8 Magnetron 10w-30 or SAE 30 TRANSMISSION Fully enclosed and permanently lubricated transaxle.
FITTING OF MODEL 170-178 CUTTING DECKS TO RANCHER 1. Remove spark plug lead. 2. Move height of cut lever to high cut (3) 3. Slide cutter deck under the Rancher from the right hand side with the ejection chute facing out. 4. Move height of cut lever to low cut. 5. Lift the rear of the cutting deck and fit the support brackets (1) over the control pins (2). 6. Fit the retaining bolts, spacers and washers through the U support bracket (4) in the correct order, see illustration (5). 7.
LOOSE PARTS KIT DESCRIPTION Steering wheel Roll Pin Stone Guard Assembly Spring – Stone Guard ‘E’ Clip Ignition keys Plug Spanner QTY 1 1 1 1 1 2 1 USE On steering shaft Secure steering wheel to shaft Fitted to cutter head On stone guard pivot rod In groove in pivot rod To start machine To remove spark plug SETTING UP INSTRUCTIONS Fig.2 Fig.4 5. Secure by clipping an ‘E’ Clip into the groove on the pivot rod. See Fig.4. INSTALL STEERING WHEEL 1.
BEFORE OPERATING FILL CRANKCASE WITH OIL. Do not mix oil with petrol. – Engine damage may result. The rider mower may be delivered with out oil in the crankcase. Oil must be added before attempting to start the engine. 1. 2. 1. Place machine on level surface. Open the bonnet. Ensure 3. 4. that the oil plug is securely tightened. Clean around dipstick. 2. Unscrew and remove dipstick from oil filler tube. 3.
OPERATING INSTRUCTIONS TO START THE ENGINE: - Move the throttle lever to the slow position; Note the engine will not start unless the cutter drive is disengaged, and clutch/brake pedal is depressed. - Turn the ignition key to Off.
MAINTENANCE INTERVAL CHART See 5 25 page Hours Hours Change oil (Initial) Change oil (Periodic) Check Interlock 7 7 11 x Check Cutting Blades Check Cutting Unit Brake 10 x Check Rear Wheels Brake Lubricate Pivot Points 10 8 x x Lubricate Throttle Cable 8 x Grease Front Axle Spindles Service Air Cleaner 8 7 x x Check Spark Plug Check Drive Belts 7 - x x Check Tyre Pressure 5 x Clean Outside Of Engine Clean Cutter Housing - x x Paint Chipped Surfaces - x PERIODIC SERVICE EVERY
MAINTENANCE COOLING SYSTEM: The Rancher has an air cooled 4 stroke engine. It must be cleaned frequently. Remove any build up of grass, dirt or other debris from the – 1. Cylinder; 2. Cylinder head cooling fins; 3. Cooling air intake screen and 4. Carburettor governor levers and linkages. This will ensure adequate cooling and correct engine speed. COOLING SYSTEM: Proper choke and stop switch operation is dependant on adjustment of remote controls – 1.
⎯ Cutter Drive Lever Pivot; MAINTENANCE WHEEL REMOVAL: ⎯ Clutch/brake pedal pivot; See Fig.15 ⎯ Tie rod ball ends; See Fig. 11 ⎯ All connecting rod pivot points. Note: All ball bearings are sealed and require no maintenance. TRANSAXLE: Fig. 13 This transmission is fully enclosed and permanently lubricated. No maintenance necessary. Fig. 14 CAUTION: CUTTING UNIT: Always deflate tyre before removing rim nuts on front wheel only. Front – 1. Chock wheels and remove axle nut; See Fig.
MAINTENANCE CUTTER HEAD BRAKE BRAKE ROD ADJUSTMENT Should regularly be checked for operation. Should not normally require resetting. PAD REPLACEMENT 1. Remove ‘R’ clip and push rod pin (See Fig. 19). 1. 3. Fig. 17 Loosen lock nuts; (A) See Fig. 17 Retighten nuts. 2. Adjust pivot block position; BRAKE ADJUSTMENT Required to take up brake pad wear. 2. Remove brake rod pivot bolt (B) and two spacers (see Fig. 19). 3. Remove brake plate assembly. 4. Drill out pad retaining rivets. 5.
MAINTENANCE STEERING RODS Should not normally require resetting. 1. Loosen rod lock nut; (a) See Fig. 11. 2. Release the fixing bolt; 3. Turn tie rod end to adjust for length clockwise to shorten, anti-clockwise to lengthen; 4. Replace the fixing bolt and tighten; 5. Tighten rod lock nut; 6. Make sure rod is free to pivot. CUTTER HEAD TILT This should not normally require resetting.
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SAFETY AND INSTRUCTION DECALS The following safety and instruction decals are mounted on the RANCHER Front Engine Rider. Replace any that become damaged or illegible.
CIRCUIT DIAGRAMS 14
TROUBLE SHOOTING PROBLEM Engine loses power. Engine over heats. Mower vibrates abnormally. Cutter does not rotate. Mower does not drive. Engine does not start, hard to start, loses power, or fails to keep running. POSSIBLE CAUSES 1. Oil level in crank case is low. 2. Cooling fins and air passages under engine blower housing are blocked. 3. Engine load is excessive. 4. Air cleaner is dirty. 5. Dirt or water is in fuel. 6. Carburettor is adjusted incorrectly. 7.
ITEM RANCHER SPARE PARTS LIST PART No.
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ITEM RANCHER SPARE PARTS LIST PART No.
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ITEM RANCHER SPARE PARTS LIST PART No. DESCRIPTION • COMMON HARDWARE ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 20A 20B 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 A07691 A10212 A07953 A07948 A02289 A10213 A07949 A07150 A07695 A02103 A07092 A07198 A04006 A07755 A00967 A10225 A00966 A02051 A00965 A00791 A07572 A01687 A07160 A07567 A01891 A01807 A07634 A12288 * * * * * * * * * * * * * * * Steering Wheel Steering Shaft Assy.
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ITEM 1 2 3 4 5 6 7 8 9 10 11 12 12a 13 14 15 16 17* 18* 19* 20* 21 22 23* 24* 25* 26* 27* 28* RANCHER SPARE PARTS LIST PART No. DESCRIPTION A10205 A07716 A07893 A10236 A07672 A07675 A10216 A12004 A07971 A10210 A12016 A07938 A0939 A02024 A07955 A07956 A07985 * * * * * * * * * * * * COMMON HARDWARE ITEM Bonnet Trim Trim Strip Dash panel Headlight Assembly Bonnet Strap Nylon Bush Firewall Assembly Clamp Rod Tube Front Bumper Plug Front Bumper Bar Assembly Nose Piece Decal Bonnet Label – L.H.
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ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 27A 28 29 30 31 32 33 34 RANCHER SPARE PARTS LIST PART No.
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ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RANCHER SPARE PARTS LIST PART No. DESCRIPTION A07937 A12005 A07999 A12001 A12002 A12009 A12010 A12011 * * * A03422 A03421 COMMON HARDWARE ITEM Fuel Tank Fuel Tank Cap Fuel Tank Bracket Fuel Tank Strap - Front Fuel Tank Strap – Rear Fuel Line – ¼ ID Hose Clamp Fuel Line Retainer ½” Copper Half Clip ¼” x 5/8” UNC Hex Bolt ¼”UNC Std.
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ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RANCHER SPARE PARTS LIST PART No.
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RANCHER SPARE PARTS LIST PART No.
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RANCHER SPARE PARTS LIST PART No.
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ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 RANCHER SPARE PARTS LIST PART No.
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Warranty Condition: Australia Only Rover-Scott Bonnar Limited warrant that this machine is free from defects in material and workmanship. This warranty is limited to making good or replacing any part which appears upon inspection by the manufacturer or his agent to be defective in material or workmanship. The engine used to power this machine is warranted by the manufacturer whose warranty statement has been included with the machine.
