KUBOTA Front Loader LA243 Service Repair Workshop Manual

BX1850, BX2350, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, LA203, LA243, WSM SAFETY INSTRUCTIONS A SAFETY FIRST This symbol, the industry's "Safety Alert Symbol", is used throughout 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 regulations before you attempt to repair or use this unit. A DANGER : Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. A WARNING : Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. A CAUTION : Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. • IMPORTANT : Indicates that equipment or property damage could result if instructions are not followed. • NOTE : Gives helpful information . BEFORE SERVICING AND REPAIRING • Read all instructions and safety instructions in this manual and on your machine safety decals. • Clean the work area and machine. • Park the machine on a firm and level ground, and set the parking brake. • Lower the implement to the ground. • Stop the engine. and remove the key. • Disconnect the battery negative cable. • Hang a ''~O NOT OPERATE" tag in operator station.

BX1850, BX2350, RCK48(P)-18BX, RCK54(P}-23BX, RCK60B-23BX, SAFETY INSTRUCTIONS • + - SAFETY STARTING • Do not start the engine by shorting across starter terminals or bypassing the safety start switch. • Do not alter or remove any part of machine safety system. • Before starting the engine, make sure that all shift levers are in neutral positions or in disengaged positions. • Never start the engine while standing on ground. Start the engine only from operator's seat. SAFETY WORKING • Do not work on the machine while under the influence of alcohol, medication, or other substances or while fatigued. • Wear close fitting clothing and safety equipment appropriate to the job. • Use tools appropriate to the work. Makeshift tools, parts, and procedures are not recommended. • When servicing is performed together by two or more persons, take care to perform all work safely. • Do not work under the machine that is supported 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 immediately after stopping. Otherwise, hot water will spout out from radiator. Only remove radiator cap when cool enough to touch with bare hands. Slowly loosen the cap to first stop to relieve pressure before removing completely. • Escaping fluid (fuel or hydraulic oil) under pressure can penetrate the skin causing serious injury. Relieve pressure before disconnecting hydraulic or fuel lines. Tighten all connections before applying pressure. AVOID FIRES • Fuel is extremely flammable and explosive under certain conditions. Do not smoke or allow flames or sparks in your working area . • To avoid sparks from an accidental short circuit, always disconnect the battery negative cable first and connect it last. • Battery gas can explode. Keep sparks and open flame away from the top of battery, especially when charging the battery. • Make sure that no fuel has been spilled on the engine. 2

BX1850, BX2350. RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX. LA203. LA243. WSM SAFETY INSTRUCTIONS VENTILATE WORK AREA • If the engine must be running to do some work, make sure the area is well ventilated. Never run the engine in a closed area. The exhaust gas contains poisonous carbon monoxide. PREVENT ACID BURNS • Sulfuric acid in battery electrolyte is poisonous. It is strong enough to burn skin, clothing and cause blindness if splashed 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 fluids into the ground, down a drain, or into a stream, pond, or lake. Observe relevant environmental protection regulations when disposing of oil, fuel, coolant, electrolyte and other harmful waste. PREPARE FOR EMERGENCIES • Keep a first aid kit and fire extinguisher handy at all times. • Keep emergency numbers for doctors, ambulance service, hospital and fire department near your telephone. 3

BX1850, BX2350, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, SAFETY INSTRUCTIONS SAFETY DECALS The following safety decals are installed on the machine. If a decal becomes damaged, illegible or is not on the machine, replace it. The decal part number is listed in the parts list. (1) Part No. K2581-6557-1 r '" c-o ," ':,', "- .- -" -- -- ~ -- ~~-"' --, ~ ,~~ lI~ - . - ., - - ~ ~ -~-~ ~ - :): J '" I 1AGAJAXAP041 E (2) Part No. K2581-6548-1 (5) Part No. K2581-6549-1 Diesel fuel No fire only [i]~ 1AGAMAAAP2480 (3) Part No, 6C140-4746-1 AWARNING TO AVOID PERSONAL INJURY: Do not modify or repair a ROPS because welding, grinding, drilling or cutting any portion may weaken the structure, lAGAJAXAP045E (4) Part No. K2581-6552-1 Do not put hands under the rear fender. AWARNING, ~ TO AVOID P:RSONAL INJUqy KEEP HAiJOS M,A 1 FRQII PH'ICH PQI\lS OF LlF; Aq',IS 1AGAJAXAP047E ,..-....,."'-'-"-_(3) 3TAAAAFCP003A 4

BX1850, BX2350, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, LA203, LA243, WSM SAFETY INSTRUCTIONS (1) Part No. K2581-6554-1 (2) Part No. K2581-6555-1 • TO AVO I 0 PERSONAL I NJlIRY FROII SEPARAT ION GROOVE . i., GROOVE DO NOT Exmm LIFT ROD BEYOND THE GROOVE ON THE THREADED ROD 1AGAJAXAP044E .... ".' (3) Part No. K2561-6556-1 ~ TO AVOID PERSONAL INJURY: 1. Attach pullell or towell loalls to the hitch only. 2. Use the 3-point hitch only with equiPlllent lIesilJnel1 for 3-IJoint hitch usage. 1AGAJAXAP046E 3TAAAAFCP004A 5

BX1850, BX2350, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, SAFETY INSTRUCTIONS (1) Part No. K2581-6557-1 (2) Part No. K2581-6547-1 Stay clear of engine tan and tanbelt (3) Part No. K2581-6542-1 (4) Part No. K2581-6543-1 Do not touch hot surface like muffler, etc. I~I~I 1AGAJAXAP050E 1AGAJAXAP048E 1AGAJAXAP049E 1AGAJAXAP052E 3TAAAAFCP005A 6

BX1850, BX2350, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, LA203, LA243, WSM SAFETY INSTRUCTIONS (1) Part No. K2561-6115-1 (2) Part No. K2561-6116-1 KEEP OUT OF THE REACH OF CHILOREN. DO NOT TIP. DO NOT OPEN BATTERYI FLUSH ~GET EYES MEDICAL IMMEDIATELY · HELP WITH WATER FAST 1AGAJAXAP053E I I I EXPLOSIVE I GASESCAN CAUSE I BUNDNESS DR INJURY NO • SPARKS • FLAMES • SMOKING 1AGAJAXAP054E CARES FOR SAFElY ALERT LABELS 1. Always keep the labels clean and avoid damaging them. If a label is dirty, clean it with soap and water. Then wipe it wilh a soft cloth. Never use a solvent like thinner or acetone, which may erase letters or symbols. 2. When you wash the machine using a high pressure washer, do not pour high pressure water directly on any label to prevent it from peeling off. 3. If any label is damaged or missing, place an order wilh your dealer for replacement. 4. Before you affix a new label, completely clean the surface on which the label is placed. Wait until the surface is dry, and then affix 5. the label in its place. When you replace any part carrying a label, replace the label with a new one at the same time. 3TAAAAFCP006A 7

BX1850, BX2350, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, SPECIFICATIONS SPECIFICATIONS Model BX1850 BX2350 PTO power 10.2 kW (13.7 HPt 13.2 kW (17.7 HP)* Maker KUBOTA Model D722-E2-BX-2 D902-E2-BX-2 Type Indirect Injection, vertical, water-cooled, 4-cycle diesel i Number of cylinders 3 Bore and stroke 67 x 68 mm (2.64 x 2.68 in.) 72 x 73.6 mm (2.83 x 2.90 in.) I Total displacement 719 cm;:! (43.9 cu. in.) 898 em;; (54.8 cu.in.) Engine Engine gross power 13.4 kW (18.0 HP) 17.1 kW (23.0 HP) i Rated revolution 53.3 rls [3200 min- 1 (rpm)] Maximum torque 44.9 N'm (4.6 kgf-m, 33.1 ft-Ibs) 56.1 N'm (5.7 kgf-m, 41.4 ft-Ibs) Battery 12 V, CCA : 435 A, RC : 62 min. I 12 V, CCA : 535 A, RC : 80 min. Starting system Electric starting with cell starter, 12 V, 1.4 kW Lubrication system Forced lubrication by trochoidal pump Cooling system Pressurized radiator, forced circulation with water pump Fuel Diesel fuel No. 2-D [above -10·C (14 OF)], Diesel fuel No.1 [below -10·C (14 OF)] Fuel tank 25 L (6.6 U.S.gals, 5.5 Imp.gals.) Engine crankcase (with filter) 2.9 L (3.1 U.S.qts., 2.6 Imp.qts.) 3.1 L (3.3 U.S.qts., 2.7 Imp.qts.) Capacities Engine coolant (with recovery tank) 2.9 L (3.1 U.S.qts., 2.6 Imp.qts.) 3.1 L (3.3 U.S.qts., 2.7 Imp.qts.) Transmission case 11.6 L (3.06 U.S.gals, 2.55 Imp.gals.) Front axle case 23 L (2.4 U.S.qts., 2.0 Imp.qts.) 4.7 L (5.0 U.S.qts., 4.1 Imp.qts.) Overall length (without 3P) 2035 mm (80 1 in.) 2120 mm (83.5 in.) Overall width 1145 mm (45.1 in.) Overall height (with ROPS) 1760 mm (69.3 in.) 1785 mm (70.3 in.) Dimensions Overall height (Top of seat) 1230 mm (48.4 in.) 1255 mm (49.4 in.) Wheelbase 1340 mm (52.8 in.) 1400 mm (55.1 in.) Minimum ground clearance 150 mm (5.9 in.) 175 mm (6.9 in.) Front 880 mm (34.6 in.) 910 mm (35.8 in.) Tread Rear 820 mm (32.2 in.) Weight (with ROPS) 550 kg (1213 Ibs) 565 kg (1245.6 Ibs) ! Tires Front 16 x 7.50 - 8 (Turf) 18 x 8.50 -10 (Turf) Rear 24 x 12.00 -12 (Turf) 26 x 12.00 -12 (Turf) Steering Hydrostatic power steering Travelling Transmission Main-hydrostatic transmission, Range gear shift (2 forward and 2 reverse) system Brake Wet disk type Min. turning radius (without brake) 2.18 m (7.15 feet) 2.3 m (7.5 feet) I Differential Bevel gear Hydraulic control system Directional control, auto-return lever system Hydraulic Pump capacity 23.5 Umin. (6.2 U.S.gals.lmin., 5.2 Imp.gals.lmin.) system Three point hitch SAE Category I I Max. lift force 5394 N (550 kg, 1210 Ibs) ! Clutch Wet type, multiple disks PTO shaft SAE 1-3/8, 6 splines Rear Revolution 1 speed (540 min- 1 (rpm) at engine 3142 min" (rpm» PTO system I PTO shaft USA No.5 (KUBOTA 10-tooth) involute spline Mid Revolution 1 speed (2500 min- 1 (rpm) at engine 3043 min" (rpm» NOTE: • Manufacture's estimate The company reserves the right to change the specifications without notice. W1028103 8

BX1850, BX2350, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, LA203, LA243, WSM TRAVELLING SPEEDS TRAVELLING SPEEDS Model BX1850 BX2350 Tire size (Rear) 24 x 12.00 -12 26x12.00 12 Range gear shift lever km/h mph km/h Forward Low oto 5.5 oto 3.4 oto 6.0 oto 3.7 High Ot012.0 oto 7.5 o to 13.0 oto 8.1 Reverse Low o to 4.0 oto 2.5 o to 4.5 oto 2.8 High o to 9.0 oto 5.6 oto 10.0 oto 6.2 The company reserves the right to change the specifications without notice. W1035065 9

BX1850, BX2350, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, DIMENSIONS DIMENSIONS 0 ~ C\I X Ql 0 It) co ,.. x fB. .5 ..0 :::!, E E It) -.:I' ,.. ,.. gg co(") ,..C\I xx fB.fB. coco ~~ E E E E 00 co,.. COOl ~ C\I X Ql 0 It) co X fB. .5 C\I N ~ E E 0 C\I co 00 ~~ ,..C\I xx fB.fB. .5.5 ,..-.:1' !~ E E E E ~~ 1340 mm (52.8 in.) [BX1850] 1400 mm (55.1 in.) [BX2350] , I o ' \,.....,..."..-.......-------..........~-----L--- • , I , I 3TAAAAFP005A 10

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KUBOTA Front Loader LA243 Service Repair Workshop Manual

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