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G-12

RCK54/60-24B-EC · RCK60-27B-EC · RC60-24/27BR, WSM

G  GENERAL

7. SETTING  UP  MOWER

Assembling Mower

CAUTION

• Do not operate the rear gauge wheel adjusting lever (4)

without support by block (3).

1. Take out all mower components from the case, and assemble the

mower.

2. Support the mower deck with a block (3) as shown in the figure.
3. Turn the anti-scalp wheel (1) sideway position, and set the rear

gauge wheel (2) on the lowest cutting height.

4. Remove the block.

W1029213

Rear Wheel (RCK54-24B-EC, RCK60-24B-EC, RC60-24BR)

1. Park the tractor on level ground, and set the both rear wheels (1)

of the tractor at the outer position (A).

W1015453

Front Hanger Bracket

1. Attach the front hanger bracket (1) to the frame with M14 bolts.

W1029353

(1) Anti-scalp Wheel
(2) Rear Gauge Wheel

(3) Block
(4) Rear Gauge Wheel Adjusting Lever

(1) Rear Wheel

A : Outer Position

(1) Front Hanger Bracket

KiSC issued 11, 2006 A

Summary of Contents for RC60-27BR

Page 1: ...WORKSHOP MANUAL ROTARY MOWER RCK54 24B EC RCK60 24B EC RCK60 27B ECRC60 24BR RC60 27BR KiSC issued 11 2006 A...

Page 2: ...ction comes general precautions check and maintenance and special tools Other section there are troubleshooting servicing specification lists checking and adjusting disassembling and assembling and se...

Page 3: ...oughout this manual and on labels on the machine itself to warn of the possibility of personal injury Read these instructions carefully It is essential that you read the instructions and safety regula...

Page 4: ...solely by a jack Always support the machine by safety stands Do not touch the rotating or hot parts while the engine is running Never remove the radiator cap while the engine is running or immediatel...

Page 5: ...ashed into eyes Keep electrolyte away from eyes hands and clothing If you spill electrolyte on yourself flush with water and get medical attention immediately DISPOSE OF FLUIDS PROPERLY Do not pour fl...

Page 6: ...7BR WSM SAFETY INSTRUCTIONS The following safety decals are installed on the mower If a decal becomes damaged illegible or is not on the mower replace it The decal part number is listed in the parts l...

Page 7: ...mplacer les tiquettes de danger d avertissement et d attention endommag es ou manquantes par des tiquettes neuves de chez votre distributeur KUBOTA 4 Si un l ment mentionn par des tiquettes de danger...

Page 8: ...1 Front Gauge Wheel 2 Belt Cover Left 3 Gear Box 4 Belt Cover Right 5 Discharge Chute 6 Deck 7 Universal Joint 8 Outer Blade 9 Front Anti scalp Roller 10 Center Blade 11 Outer Blade 12 Rear Anti scal...

Page 9: ...24 27BR WSM TERMINOLOGY 1 Front Gauge Wheel 2 Belt Cover Left 3 Gear Box 4 Belt Cover Right 5 Deck 6 Universal Joint 7 Outer Blade 8 Front Anti scalp Roller 9 Center Blade 10 Outer Blade 11 Skid 12 Re...

Page 10: ...th 475 mm 18 7 in 523 mm 20 6 in Number of blades 3 Dimensions Total length 1072 mm 42 2 in 1100 mm 43 3 in 1060 mm 41 7 in Total width 1695 mm 66 7 in 1881 mm 74 0 in Total height 345 mm 13 6 in Mode...

Page 11: ...SCREWS BOLTS AND NUTS G 4 5 MAINTENANCE CHECK LIST G 5 6 CHECK AND MAINTENANCE G 6 1 CHECK POINTS OF DAILY OR EACH USE G 6 2 CHECK POINT OF INITIAL 50 HOURS G 9 3 CHECK POINTS OF EVERY 50 HOURS G 10 4...

Page 12: ...27BR WSM G GENERAL 1 MOWER IDENTIFICATION When contacting your local KUBOTA distributor always specify mower serial number W1020623 1 Mower Serial Number A RCK54 24B EC RCK60 24B EC RCK60 27B EC B RC...

Page 13: ...se KUBOTA genuine parts or KUBOTA recommended parts and lubricants or their equivalents Gaskets and o rings must be replaced during reassembly Apply grease to new o rings or oil seals before assemblin...

Page 14: ...asing 2 Universal joint Until grease overflows SAE multi purpose type grease 3 Spindle shafts Bevel gear shaft and blade shafts 4 Belt tension pulley 5 Belt tension pivot 6 Life arms 7 Front gauge whe...

Page 15: ...41 2 39 3 to 44 1 4 0 to 4 5 29 0 to 32 5 60 9 to 70 6 6 2 to 7 2 44 9 to 52 0 M12 12 mm 0 47 in 62 8 to 72 5 6 4 to 7 4 46 3 to 53 5 77 5 to 90 2 7 9 to 9 2 57 2 to 66 5 62 8 to 72 5 6 4 to 7 4 46 3...

Page 16: ...leaks Check all hardware Make sure all pins are in place Clean mower deck Apply grease to universal joint Apply grease to spindle shafts Bevel gear shaft and blade shafts Apply grease to belt tension...

Page 17: ...between the mower blade and mower deck 3 Retighten the mower blade screw to the specified torque 4 If the mower blade screw is worn or broken replace it NOTE The RC60 24BR and RC60 27BR mower blade sc...

Page 18: ...plug 2 and check to see if oil seems from the opening 3 If the oil level is low remove the oil filler plug 1 and add new gear oil IMPORTANT Use the specified gear oil Refer to LUBRICANTS See page G 3...

Page 19: ...1 Apply grease to the following points as figures 1 Bevel Gear Shaft 2 Blade Shaft 3 Belt Tension Pulley 4 Belt Tension Pivot 5 Lift Arm 6 Spline of Universal Joint 7 Universal Joint A RCK54 24B EC R...

Page 20: ...ve the oil filler plug 1 3 Remove the drain plug 3 and drain the used oil completely 4 After draining the used oil reinstall the drain plug 5 Fill with new oil up to the specified level IMPORTANT Use...

Page 21: ...ures W1014935 Checking Mower Belt 1 See page S 4 W1028893 1 Front Gauge Wheel Bracket 2 Front Wheel 3 Rear Wheel 4 Middle Lift Arm 5 Lift Arm 6 Lift Cylinder Joint Pin 7 Front Center Anti scalp Roller...

Page 22: ...RS Changing Gear Box Oil 1 See page G 9 W1029013 5 CHECK POINT OF EVERY 2 YEARS Replacing Gear Box Oil Seal 1 Replace the gear box oil seals 1 2 with new ones See page S 8 13 W1029072 1 Oil Seal 2 Oil...

Page 23: ...i scalp wheel 1 sideway position and set the rear gauge wheel 2 on the lowest cutting height 4 Remove the block W1029213 Rear Wheel RCK54 24B EC RCK60 24B EC RC60 24BR 1 Park the tractor on level grou...

Page 24: ...s shown in figure Tighten the cylinder adaptor with specified torque then rotate clockwise the adaptor to set the specified direction 4 Set the cylinder rod flat face toward the RH side of machine W10...

Page 25: ...ection 4 Assemble the middle lift arm 1 as shown in figure smaller clearance toward the RH side of machine 5 Set the cylinder rod flat face toward the RH side of machine W1016196 Tightening torque Cyl...

Page 26: ...AL Rear Hanger Bracket 3 Point Hitch Lift Type 1 Insert the rear hanger bracket 1 from left side of the frame holes and set it with M8 bolt W1016620 1 Rear Hanger Bracket A RCK54 24B EC RCK60 24B EC B...

Page 27: ...to prevent contact with link stopper as shown in the figure When assembling the connecting rod insert the clevis pin 6 7 care with the direction as shown in figure and be sure to properly bend the cot...

Page 28: ...t brackets 3 inside the lower links 4 with the lower link pins 1 as shown in the figure 3 Connect the connecting rods 2 to the lift brackets 3 with clevis pins plain washers and cotter pins IMPORTANT...

Page 29: ...xing lever pulling the L pin 2 Hook the front link 2 to the level fulcrum and turn the link fixing lever 1 3 Return the L pin 3 NOTE Make sure the link fixing lever 1 is fixed with L pin 3 securely IM...

Page 30: ...e front link 3 as below W1030496 Rear Discharge 1 Attach the front link 1 to the deck with clevis pins plain washers and rings Reference Make sure the length L of the front link as below W1030661 Fron...

Page 31: ...er the mower to the ground 4 If the gauge wheels are not on the ground remove the front link from the mower And adjust the length L of the front link 1 until the gauge wheels come into contact with th...

Page 32: ...position and shut off the engine 8 Adjust the turnbuckles 7 of the left and right connecting rods 6 so that the clearances are within the factory specifications IMPORTANT Proper adjustment for the co...

Page 33: ...CONTENTS MECHANISM 1 POWER TRANSMISSION M 1 2 LIFTING MECHANISM M 3 1 MOWER LIFT CYLINDER TYPE M 3 2 3 POINTS HITCH LIFT TYPE M 4 KiSC issued 11 2006 A...

Page 34: ...Gear Shaft 8 Center Blade 6 Outer Blade Mid PTO Shaft 5 Universal Joint 4 Pinion Shaft 3 Bevel Gear 1 Bevel Gear 2 Bevel Gear Shaft 8 Center Pulley 7 Mower Belt 9 Outer Pulley 11 Blade Shaft 10 Outer...

Page 35: ...el Gear 1 Bevel Gear Shaft 7 Center Blade 5 Outer Blade Mid PTO Shaft Universal Joint 4 Pinion Shaft 2 19T Bevel Gear 3 16T Bevel Gear 1 Bevel Gear Shaft 7 Center Pulley 6 Mower Belt 8 Outer Pulley 10...

Page 36: ...uxiliary control valve lever is moved to LIFT position the mower lift cylinders 5 retract by the oil pressure and the cylinder rods are pushed forward Therefore lift arms 4 round and the mower is lift...

Page 37: ...er is moved to LIFT position the lower links 6 are risen by the oil pressure of hydraulic system and the connecting rods 5 are pulled rearward Therefore lift arms 4 round and the mower is lifted by th...

Page 38: ...TENING TORQUES S 3 4 CHECKING DISASSEMBLING AND SERVICING S 4 1 CHECKING AND ADJUSTING S 4 2 DISASSEMBLING AND ASSEMBLING S 7 1 RCK54 24B EC RCK60 24B EC RCK60 27B EC Side Discharge Mower S 7 2 RC60 2...

Page 39: ...sen mower belt Clogged grass Flattened out or worn cup washer Replace mower belt or tension spring Remove grass Replace cup washer S 4 S 7 11 Cutting Is Poor Worn or broken mower blade Loosen mower bl...

Page 40: ...ithout Mower Belt Turning Force Less than 117 7 N 12 0 kgf 26 5 lbs Turning Torque Less than 1 47 N m 0 15 kgf m 1 08 ft lbs Bevel Gears in Gear Box Backlash RCK54 24B EC RCK60 24B EC 0 10 to 0 20 mm...

Page 41: ...W1012736 Item N m kgf m ft lbs Mower blade screw Gear box mounting screw Standard type Reamer type Center pulley holder screw Standard type Reamer type Outer pulley mounting nut Pulley holder mounting...

Page 42: ...elt with a new one if there is found surface split at more than 3 positions When replacing mower belt 1 Dismount the mower from the tractor 2 Remove the left and right hand belt cover from the mower d...

Page 43: ...i scalp wheel and anti scalp rollers as shown in the table below The recommend cutting height is approx 50 mm 2 0 in RCK54 24B EC RCK60 24B EC RCK60 27B EC IMPORTANT After adjusting the cutting height...

Page 44: ...i scalp skids and rear gauge wheels as shown in the table below The recommended cutting height is approx 50 mm 2 0 in RC60 24BR RC60 27BR IMPORTANT After adjusting the cutting height open the 3 point...

Page 45: ...d the mower deck in such position that it will hold the blade safely while loosing or tightening the blade screw When reassembling Be sure to assemble the two cup washers between the mower blade and s...

Page 46: ...shim 4 and ball bearing 3 7 Remove the external snap ring 8 and draw out the bevel gear shaft 18 8 Remove the bevel gear 9 ball bearing 10 shim 11 and oil seal 17 When reassembling Replace the oil se...

Page 47: ...elow to prevent the incline the gear box Tighten the reamer screws 9 to the gear box first then tighten the reamer screws 10 to the center pulley holder 12 with specified torque Tighten the gear box s...

Page 48: ...embling Replace the oil seals 34 27 15 and 7 with new ones W1013387 Tightening torque Outer pulley mounting nut 166 7 to 186 3 N m 17 0 to 19 0 kgf m 123 0 to 137 4 ft lbs Pulley holder mounting screw...

Page 49: ...box wrench over the pulley nut to prevent the blade shaft from rotating while removing the mower blade screw The friction plate 6 adapts to center blade of RC60 24BR only When reassembling Be sure to...

Page 50: ...MOWER RCK54 60 24B EC RCK60 27B EC RC60 24 27BR WSM Blade Boss 1 Remove the external snap ring 2 2 Remove the blade boss 1 W1015526 1 Blade Boss 2 External Snap Ring A RC60 24BR B RC60 27BR KiSC issue...

Page 51: ...al snap ring 8 and draw out the bevel gear shaft 22 10 Remove the 16T bevel gear 9 with ball bearing 10 When reassembling Replace the oil seals 1 20 and gear box caps 7 18 with new ones Check the back...

Page 52: ...ernal snap ring 7 ball bearings 4 6 and collar 5 NOTE The collar 5 adapts to RC60 27BR only When reassembling Replace the oil seals 8 10 with new ones W1019050 Tightening torque Center pulley holder s...

Page 53: ...only When reassembling Replace the oil seals 30 23 14 6 with new ones W1019310 A Tightening torque Outer pulley mounting nut 166 7 to 186 3 N m 17 0 to 19 0 kgf m 123 0 to 137 4 ft lbs Pulley holder m...

Page 54: ...turning force 3 If the measurement exceeds the factory specification check the bearing and gears and adjust the adjusting shims 1 2 3 Reference Thickness of adjusting shims 1 2 0 2 mm 0 0079 in 0 3 mm...

Page 55: ...llowable limit adjust with shims 1 4 6 Reference Thickness of adjusting shims 1 4 0 2 mm 0 0079 in 0 3 mm 0 0118 in Thickness of adjusting shims 6 0 1 mm 0 0039 in 0 2 mm 0 0079 in W1020126 Backlash b...

Page 56: ...de No 9Y011 17110 2001 02 S EI EI e KUBOTA Corporation EDITOR KUBOTA FARM INDUSTRIAL MACHINERY SERVICE LTD 64 ISHIZU KITAMACHI SAKAI KU SAKAI CITY OSAKA 590 0823 JAPAN PHONE 81 72 241 1129 FAX 81 72 2...

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