OREC RABBIT RMK180 Instruction Manual

Grassland mower

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INSTRUCTION MANUAL

GRASSLAND MOWER RABBIT RMK180

Read this instruction manual carefully before any use of the machine, keep it as a reference. For any question

about this manual, please report to your OREC dealer or to the distributor of your country.

OREC CO LTD

548-22 HIYOSHI HIROKAWA-MACHI YAME-GUN JAPAN

http://www.orec-jp.com

Updated : Novembre 2024

(only the English version of this maual can be used as a reference)

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Page 1 GRASSLAND MOWER RABBIT RMK180 Read this instruction manual carefully before any use of the machine, keep it as a reference. For any question about this manual, please report to your OREC dealer or to the distributor of your country. OREC CO LTD 548-22 HIYOSHI HIROKAWA-MACHI YAME-GUN JAPAN http://www.orec-jp.com...
Page 2: Table Of Contents
MAINTENANCE OPERATIONS TO BE CARRIED OUT BY THE USER ............24 SPECIFICATIONS ............................43 TIGHTENING TORQUES (Nm) ........................43 WIRING DIAGRAM ............................44 MAINTENANCE CHART ..........................45 ENGINE TROUBLESHOOTING ........................46 BREAKDOWNS AND SOLUTIONS .........................47 BATTERY .................................48 SLOPE GUIDE..............................52 LIMITED WARRANTY ............................54 NOTES ................................54 EC CONFORMITY DECLARATION .........................55 MEASUREMENT OF VIBRATIONS .........................55 OREC RMK180...
Page 3: Important Notice
Instructions to the dealer The assembly, the installation and the first application of the machine is under the OREC dealer’s responsability. Read the instruction manual as well as the safety measures. Check that all the before delivery and at delivery check points specified in the following lists have been verified and possibly modified before delivering the machine to its owner.
Page 4: Check List
Please be aware of other weather conditions, etc., and give due consideration to work decisions and equipment selection. Inspection/checks before operation WARNING Before starting work, be sure to confirm that any repairs found after the previous work have been completed and never begin work until the repairs are complete. OREC RMK180...
Page 5: During Operation
There is a risk of slipping or falling. When driving reverse, make sure there are no people(especially children), animals, or obstacles, and be careful of ground to avoid getting caught between machines or falling off cliffs or steps. OREC RMK180...
Page 6 The owner is responsible for daily inspections and monthly inspections, and requests for annual inspections to be made to the dealer(charges apply). Please note that we cannot be held responsible for any accidents or breakdowns caused by neglecting regular inspections. WARNING OREC RMK180...
Page 7: Warning Labels
Stay away from the machine Keep hands and feet away from the shields rotating blades Read owner’s manual Always wear protective equip- Do not exceed 15° slope Remove the spark plusg wire ment against noise, dust before maintenance OREC RMK180...
Page 8: Position Of Warning Labels
POSITION OF WARNING LABELS Note their location and replace them immediately if they are damaged or missing. OREC RMK180...
Page 9: Machine Description
Engine Switch Throttle Lever Diff-Lock Lever Handle Tilt Lock Lever Offset Pedal Battery Hour meter Parking Brake Pedal Fuel Tank Fuel Gauge Brake Stopper Hanger lever Offset Deck Rear Frame Muffler Exhaust Blade Clutch Lever Fuel Cock Side Cowl(L) OREC RMK180...
Page 10: Controls
When change pedal is pushed forward from neutral position, machine moves forward. When it is pushed rearward, machine moves rearward. Pushed angle will adjust the speed. If pedal is not pushed, it will automatically return to neutral position. OREC RMK180...
Page 11: Differential Lock Lever
While brake pedal is pressed, it is possible to use brake stopper to lock the parking brake. Parking brake is cancelled when brake pedal is fur- ther pressed. Engine is started only when parking brake is pressed. Brake Stop- OREC RMK180...
Page 12 Pilot lamp is turned on when engine swtich is in “I” position. OUR METER Back/Backward Hour meter shows rough hours of use. Refer it for Left maintenance. MACHINE DIRECTION The machine directions are shown in right illustration, from the operator’s perspective behind the machine. Right Front/Forwad OREC RMK180...
Page 13: Inspection Before Use
Do not put fuel higher than middle level of fuel filter. Fuel gauge Otherwise fuel may spill out on uneven ground or on slope. Spilled fuel is drained toward front of fuel tank. Wipe the spilled fuel. After refuelling, place the fuel cap and tighten it. OREC RMK180...
Page 14 2) Use only lead-free regular gasoline. Otherwise, engine might be damaged. 3) Gasoline degrades by time. In case of non-use for more than 1 month, replace gasoline to new one. Also, do not use gasoline stored in polyethylene tank. OREC RMK180...
Page 15: Operation
Make sure that height of cut lever is in tranport position. In other position, engine cannot be started. Make sure that above 1) ~ 3) procedure is respected when starting the engine. OREC RMK180...
Page 16: Throttle Lever
7) When engine is started, leave hand from the key. Key automatically turns back to “I” position. 8) After engine is started, push back the choke lever to “ ” position, then move the throttole lever to MINI to warm the engine for about 5 minutes. OREC RMK180...
Page 17: Stopping The Engine
TIP : Driving speed is adjusted following the tilt angle of speed lever(or change pedal). Speed lever returns to N position when foot leaves the change pedal. For your safety, start driving in low speed. OREC RMK180...
Page 18: Push Mode
USH MODE N(neutral) On a flat ground, it is possible to push machine without engine power when driving clutch lever is in OFF position. This is called “PUSH MODE” and it is recommended in case of engine trouble. OREC RMK180...
Page 19: Loading / Unloading
Offset deck is very heavy and strong power is required for lifting. Follow the instruction to avoid problem on the back. Do not engage the blade clutch while offset deck is lifted up. It might cause damage to the belts. In this status, also do not mow grass with center deck. OREC RMK180...
Page 20 Hanger Lever Hold the front tire BK and move down the offset deck slowly so that offset does not drop down suddenly. In this moment, pay attention to hold the front tire BK because offset deck is very heavy. OREC RMK180...
Page 21 Move the height of cut lever to approx. 100cm(refer to position label). Then engage the blade clutch slowly. Adjust the height of cut again to desired position. Start driving. Take reverse procedure to finish mowing. Stop the engine. OREC RMK180...
Page 22 1) When this machine is used for the first time, use it in a field without stone, and mow straight slightly overlapped. 2) Cut grass is discharged from right side toward back of the machine. Take RH position when mowing around tree, pole and walls. OREC RMK180...
Page 23 It is recommended to use the offset marker to adjust the Forward distance from obstacles. Pay attention to let only offset tire to contact the obstacle and do not let other part to Obstacle contact the obstacle. Offset Tire Offset marker OREC RMK180...
Page 24 Offset wing can mow up to 10 degee from main cutting deck. It is conveninet for mowing around the tree, which is slightly hilly. Pay special attention for risk of thrown ojbect while offset wing is lifted up. OREC RMK180...
Page 25: Maintenance Operations To Be Carried Out By The User
100 hours or 1 year whichever comes first Drain Plug Place the drain plug in original position. Remove the transmission plug and then put transmission oil. Recommeneded oil : “SAE 90 “or “API GL-5“. Oil quantity : 1.00L. OREC RMK180...
Page 26: Oil Filter Replacement
Turn the filter clockwise and screw it until the gasket touches part B. And screw it in 3/4 rotation. Put the requested amount of oil from oil cap. Check the oil volume by level gauge, and securely tighten the oil cap. OREC RMK180...
Page 27 Then remove the HST oil tank cap. 3) Put 500ml of HST oil and also relace the moisture adsorption sheet at same time. 4) After the HST oil is filled, make sure that HT oil tank cap is securely fixed. Oil Plug OREC RMK180...
Page 28: Grease Lubrication
If grease is not properly lubricated, it leads to poor movement of machine and cause damages. Grease nipple is located in each axle part. Use grease gun to lubricate. Link Pin Rear(up) Link Pin Front(up) & Rear(low), RH Blade Tension Shaft & Front(low), LH OREC RMK180...
Page 29: Air Cleaner
Wipe inside the hose and put it in original position. Form element Cleaning and replacement of air cleaner Cleaning Replacement Form element Before every use At each 100 hours Paper element Before every use At each 100 hours TIP : OREC RMK180...
Page 30: Ignition Plug
Using the machine with engine cooling system covered by grass leads to cause of overheat. Engine temperature may rise up and cause fire accident. Do not place hand over the rotating screen. It leads to injury. Remove the mad and grass on the screen guard before every use. OREC RMK180...
Page 31 10) Check the machine thoroughly to see if there is no oil leak in each part. -If there is oil leak, contact your nearest dealer. -To continue using with oil leak is dangerous and may lead to damage of machine. OREC RMK180...
Page 32 Tension Spring Hole Tension Spring Back Approx.90mm Drive Tension Spring Arm Forward LADE BELT ADJUSTMENT UNDER SEAT BRACKET Visually inspect the damage on blade belt. If there is crack of wear, replace the belt to new one. Blade Belt OREC RMK180...
Page 33: Rotating Direction
Pic.3 Belt Holder(Rear) Pic.1 Belt Holder(L) Middle Belt(2) Offset Belt 1) Shift the height of cut lever approx. 30mm position. 2) Move the blade clutch lever to ON. 3) Adjust the gap of each belt holders, referring the following pictures. OREC RMK180...
Page 34 Tension Spring If tension is not enough : -Adjust the nut toward A. If tension is too much : -Adjust the nut toward B. Normally, length of tension spring is about 110mm. Approx. 110mm Lock Nut Adjust Nut OREC RMK180...
Page 35 After the adjustment, unlock the parking brake pedal and check if brake is smooth or not. If brake is not smooth enough, brake shoe can be worn out quickly and it leads to serious accident like loss of machine control. CAUTION Contact your dealer for following service. OREC RMK180...
Page 36 If differential lock is not activated : -Move the adjust nut toward A. If differential lock is not cancelled : -Move the adjust nut toward B. After this adjustment, securely tighten the lock nut. Adjust Nut Lock Nut OREC RMK180...
Page 37: Safety Switch
Refer to table below to check the pressure of tires. Tire size Pressure(kPa) Front wheel 3.50-7 Rear wheel 16x7.00-8 CAUTION Pay attention to equal the pressure of R & L tires. If not, handle control may be lost during operation. OREC RMK180...
Page 38 If fixing pin is in upper hole, offset height goes down. If fixing pin is in lower hole, offset height goes up. Fixing Pin After the adjsutment, fix them securely with fixing bolt & nut. Fixing Bolt & Nut OREC RMK180...
Page 39: Blade Inspection
Do not substitute with another bolt and nut. Blades must be replaced at full set at same time. Replacing only the particular blade may cause vibration. CAUTION Ask skilled person with proper tool skill to replace the blades. OREC RMK180...
Page 40 In case blades are in following condition, change the blades between up and down or replace them to new one. Blade stay cannot be changed upside down. Replace blade stay to new one. REPLACE Partially lost Bent Replace upside Blade stay clack down 20mm loss wear OREC RMK180...
Page 41: Blade Replacement
4) It is recommened to purchase spare blades and concerned parts and keep in stock for unexpected demand. 5) Do not lose blade collar when blades are replaced. 6) In case wear is recognized on the blade setting bolt, replace the bolt to new one. OREC RMK180...
Page 42 Spring objects. Washer Rotary Protector Bolt TRAGE PREPARATION DANGER This product works with gasoline. Fuel leak, smoking near the machine, and making fire may lead to fire accident. OREC RMK180...
Page 43 Make sure if all bolts and nuts are not loose and in place. Operate the machine for short time, and check if abnormal sound and abnormal temperature are found or not. For warming up each part of machine, operate the machine lightly for first 2-3 hours. OREC RMK180...
Page 44: Specifications
313,8 to 353 441,3 to 480,5 617,8 to 657,1 176,5 to 205,9 421,7 to 451,1 539,4 to 578,6 608 to 647,2 843,4 to 882,6 235,4 to 264,8 539,4 to 568,8 706,1 to 745,3 784,5 to 823,8 1098,4 to 1137,6 OREC RMK180...
Page 45: Wiring Diagram
WIRING DIAGRAM OREC RMK180...
Page 46: Maintenance Chart
Looseness, wear, and loss of bolt and nut Setting Handle Setting Looseness, wear, and loss of bolt and nut Handle Meter Hour meter Indication correct hour, proper Hour meter displaying Label Warning Attachment of label, damage or dirt Label label/plate OREC RMK180...
Page 47: Engine Troubleshooting
Replace to good quality fuel. Engine stops Ignition coil is not good. Replace the ignition coil. later Fuel filter is clogged. Replace the fuel filter. Exhast gas Fuel quality is bad. Replace to good quality fuel. badly smells OREC RMK180...
Page 48: Breakdowns And Solutions
Remove the oil and replace the oil seal. work well Water is coming into brake drum. Press and release the brake and dry inside. Tire is worn. Replace the tire. If you have any questions or do not understand any points, please contact your dealer. OREC RMK180...
Page 49: Battery
If the engine does not start even after controlling the battery level, or if the starter motor rotation is lower than usual and weak, the battery is discharged, so follow the steps below to recharge the battery for 5 to 10 hours. OREC RMK180...
Page 50 The specific gravity of the electrolyte remains constant at 1.270/20°C or higher for more than 1 hour. The terminal voltage remains constant for more than 1 hour at 15V or more. Gas is actively generated from each cell. The scheduled charging time has been reached. OREC RMK180...
Page 51: Battery Lifespan
If any of these symptoms appear, perform recharging while paying attention to the above.。 If the symptoms persist even after supplementary charging, the battery has reached the end of its lifespan and we recommend replacing it. Follow the regulations of each local government regarding the disposal of unnecessary batteries.。  OREC RMK180...
Page 52: Battery Troubleshooting
If the temperature of the liquid during charging exceeds 45 degrees(it feels hot when you touch it with the palm of your hand), reduce the current value by half or pause charging for a while to lower the liquid temperature before charging. OREC RMK180...
Page 53: Slope Guide
Fold the paper along the slanted guideline (C, D, E, F or G). Align the nearest slope guideline to the slope of the ground. This allows you to accurately estimate the slope of the ground to be mown. OREC RMK180...
Page 54 (blank for cutting SLOPE GUIDE page) OREC RMK180...
Page 55: Limited Warranty
3° The machine must not have been worn out, repaired or maintained by anyone without OREC’s previous authorization. The machine must not have been damaged in a road accident, roughly handled or improperly used. This guarantee does not compel OREC or its dealer to reimburse the labour costs or the carriage costs to the repairer.
Page 56: Ec Conformity Declaration
EC CONFORMITY DECLARATION Business name and full address of the manufacturer: OREC CO LTD 548-22 HIYOSHI HIROKAWA-MACHI YAME-GUN FUKUOKA JAPAN 88, rue d’Evrieu owner of the technical documents: S.A.T. sarl – 38110 LA BATIE MONTGASCON France Designation : Ride-on brush cutter...