Jacobsen R-311 Parts & Maintenance Manual
Jacobsen R-311 Parts & Maintenance Manual

Jacobsen R-311 Parts & Maintenance Manual

Rotary mower with folding rops
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Parts & Maintenance
Manual
R-311
Rotary Mower with folding ROPS
69166 – Kubota
69167 – Kubota
If incorrectly used, this machine can cause severe injury. Those who use
and maintain this machine should be trained in its proper use, warned of its
dangers, and should read the entire manual before attempting to set up,
operate, adjust, or service the machine.
GB
®
V2203-M
®
V2203-M EC
WARNING
4192121-Rev C
6
5
9
1 1
1 6
1 5
1 3
7
8
1 8
1 7
1 - I N C L U D E S I T E M S 3 - 1 6
1 9
3
4
1 0
When Performance Matters.

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Summary of Contents for Jacobsen R-311

  • Page 1 4192121-Rev C 1 - I N C L U D E S I T E M S 3 - 1 6 Parts & Maintenance Manual R-311 ™ Rotary Mower with folding ROPS ® 69166 – Kubota V2203-M ® 69167 – Kubota...
  • Page 2: Service Parts

    Suggested Stocking Guide To Keep your Equipment fully operational and productive, Jacobsen suggests you maintain a stock of the more commonly used maintenance items. We have included part numbers for additional support materials and training aids. To order any of the following material: 3.
  • Page 3: Table Of Contents

    Table of Contents Safety Maintenance Operating Safety ..........4 General .............. 18 Important Safety Notes .........5 Inspecting Blades ..........18 Specifications Sharpening Blades ..........19 Product Identification..........6 Engine ..............20 Engine ..............6 Engine Oil ............20 Mower ..............6 Air Filter ..............21 Cutting Units ............7 Fuel ..............21 Weights And Dimensions ........7 Fuel System ............21...
  • Page 4: Safety

    Only accessories 20. Operate the machine up and down the face of slopes attachments approved by Jacobsen. (vertically), not across the face (horizontally). 7. Stay alert for holes in the terrain and other hidden 21. To prevent tipping or loss of control, do not start or hazards.
  • Page 5: Important Safety Notes

    Adjustments and maintenance should always be performed by a qualified technician. If additional information or service is needed, contact your Authorized Jacobsen Dealer who is kept informed of the latest methods to service this equipment and can provide prompt and efficient service.
  • Page 6: Specifications

    SPECIFICATIONS SPECIFICATIONS PRODUCT IDENTIFICATION _________________________________________________ 69166 ......R-311 with folding ROPS. 69167 ......R-311 with folding ROPS EC. ® P.O. BOX 7708, CHARLOTTE, A T extron Compa n y NC 28241, USA Jacobsen.com Serial Number ....An identification plate, like the one 1-800-848-1636 (US) PRODUCT OF U.S.A.
  • Page 7: Cutting Units

    ACCESSORIES AND SUPPORT LITERATURE __________________________________ Contact your area Jacobsen Dealer for a complete listing of accessories and attachments. CAUTION Use of other than Jacobsen authorized parts and accessories may cause personal injury or damage to the equipment and will void the warranty Accessories Support Literature Orange Touch-up Paint (12 oz.
  • Page 8: Declaration Of Conformity

    Valmistajan toiminimi ja täydellinen osoite ▪ Nom commercial et adresse complète du fabricant ▪ Firmenname und vollständige Adresse des Herstellers ▪ Jacobsen, A Textron Company Επωνυμία και ταχυδρομική διεύθυνση κατασκευαστή ▪ A gyártó üzleti neve és teljes címe ▪ Ragione sociale e indirizzo completo del fabbricante ▪...
  • Page 9 Plaats en datum van de verklaring ▪ Deklaratsiooni väljastamise koht ja kuupäev ▪ Vakuutuksen paikka ja päivämäärä ▪ Lieu et date de la déclaration ▪ Jacobsen, A Textron Company Ort und Datum der Erklärung ▪ Τόπος και ημερομηνία δήλωσης ▪ A nyilatkozat kelte (hely és idő) ▪ Luogo e data della dichiarazione ▪...
  • Page 10: Adjustments

    1. Adjustments and maintenance should always be performed by a qualified technician. If proper adjustment cannot be made, contact an authorized Jacobsen Dealer. BALL JOINTS_____________________________________________________________ When adjusting ball joints, be sure cut-out in ball joint is parallel to the mounting bracket, then secure in place.
  • Page 11: Brake Pedal

    ADJUSTMENTS BRAKE PEDAL ____________________________________________________________ Adjust brakes after replacing or servicing brake assembly, or if pedal travel becomes excessive. 1. When installing new brake pads, burnish pads by driving mower at mowing speed while applying a slight pressure on brake pedal for about 5 seconds. Release and repeat five times before making the final adjustment.
  • Page 12: Cruise Control Switch

    ADJUSTMENTS CRUISE CONTROL SWITCH _________________________________________________ If the cruise control does not disengage when brake pedal is depressed, cruise control switch must be adjusted. 1. Loosen hardware (F). 2. Adjust switch (G) so contacts are closed with the brake disengaged and open as soon as the brake pedal is pressed.
  • Page 13: Hydro Neutral

    (T) and the traction pedal in Neutral and close when pedal is moved in the forward direction. 3. Secure switch adjustment and test operation. 4. If adjustment cannot be made, contact your authorized Jacobsen Dealer. Figure 3I...
  • Page 14: Steering Toe In

    ADJUSTMENTS 3.11 STEERING TOE IN _________________________________________________________ “Toe in” should be adjusted from X + 1/16 in. (1.5 mm). 1. Turn wheels to straight ahead position. 2. Loosen tie rod jam nuts (U). 3. Adjust tie rod and retighten jam nuts. 4.
  • Page 15: Cutting Height

    ADJUSTMENTS 3.14 CUTTING HEIGHT _________________________________________________________ Level the front mower before setting the cutting height for 2. Figure 3M shows the height adjustment decal for the first time. Do not remove the cutting units from the the casters. mower to change cutting height. Column 1 - Height of Cut Column 2 - Arrangement of Spacers Cutting height for decks can be adjusted from 1 to 5-1/2...
  • Page 16: Leveling Front Mower

    ADJUSTMENTS 3.15 LEVELING FRONT MOWER _________________________________________________ 1. Before leveling the front deck, the mower tires, and caster wheels must be properly inflated. The cutting height is directly related to the radius of the tire. 2. Set the cutting height of the front mower to 5-1/2 in. (140 mm).
  • Page 17: Torque Specification

    All torque values included in these charts are approximate and are for reference only. Use of these torque values is at your sole risk. Jacobsen is not responsible for any loss, claim, or damage arising from the use of these charts.
  • Page 18: Maintenance

    4. Use the illustrations in the Parts Catalog as adjustments cannot be made, contact an Authorized reference for the disassembly and reassembly of Jacobsen Dealer. components. 2. Inspect the equipment on a regular basis, establish 5. Recycle or dispose of all hazardous materials a maintenance schedule and keep detailed records.
  • Page 19: Sharpening Blades

    MAINTENANCE SHARPENING BLADES _____________________________________________________ 1. Place a wooden block between the blade and mower housing to stop the blade from moving. To remove blade, turn screw holding blade counterclockwise Maximum WARNING 1/2” (13 mm) The mower blades can develop sharp edges. Use caution whenever servicing and handling.
  • Page 20: Engine

    The warning horn will sound when the temperature During the break-in period, Jacobsen recommends the reaches 230° F (110° C). To prevent damage to the following: engine, never allow the engine to operate above 230° F.
  • Page 21: Air Filter

    MAINTENANCE AIR FILTER _______________________________________________________________ Do not remove the element for inspection or 3. Assemble the new element and make sure it seats cleaning. Unnecessary removal of the filter increases properly. the risk of injecting dust and other impurities into the 4.
  • Page 22: Battery

    MAINTENANCE BATTERY ________________________________________________________________ Make absolutely certain the ignition switch is OFF and 1. When installing the battery, always assemble the RED, positive (+) battery cable first and the ground, the key has been removed before servicing the battery. BLACK, negative (-) cable last. 2.
  • Page 23: Hydraulic Hoses

    4. After oil has drained install drain plug and fill with foam in the oil, or a rancid odor (indicating excessive Jacobsen Hydraulic oil. heat). 5. Purge air from system.
  • Page 24: Hydraulic Oil Filters

    If the Interlock System does not function properly and the problem cannot be corrected contact an CAUTION authorized Jacobsen Dealer. Always turn the ignition switch off and remove the 3. Keep the wire harness and all individual wires away negative battery cable (Black) before inspecting or from moving parts to prevent damage.
  • Page 25: Wheel Mounting Procedure

    Do not wash any portion of the equipment while it is cleaners. hot or with engine running. Do not use high pressure Repair damaged metal surfaces and use Jacobsen spray or steam. Use cold water and automotive touch-up paint. Wax the equipment for maximum paint cleaners.
  • Page 26: Radiator And Oil Cooler

    Stop the engine and time, have a authorized Jacobsen Dealer check the wait until it is cool. Even then, use extreme care when cooling system.
  • Page 27: Storage

    MAINTENANCE 4.22 STORAGE ________________________________________________________________ General 3. Add a fuel conditioner or biocide to prevent gelling or bacterial growth in fuel. See your local fuel 1. Wash the mower thoroughly and lubricate. Repair supplier. and paint damaged or exposed metal. 4. If storing indoors, drain fuel from tank. 2.
  • Page 28: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING GENERAL________________________________________________________________ The troubleshooting chart below lists basic problems that may occur during start-up and operation. For more detailed information regarding the hydraulic and electrical systems contact your area Jacobsen Dealer. Symptoms Possible Causes Action Engine will not start.
  • Page 29: Maintenance & Lubrication Charts

    MAINTENANCE & LUBRICATION CHARTS MAINTENANCE & LUBRICATION CHARTS GENERAL ________________________________________________________________ 2. Lubricate with grease that meets or exceeds NLGI Grade 2 LB specifications. Apply grease with a WARNING manual grease gun and fill slowly until grease begins to seep out. Do not use compressed air guns. Before you clean, adjust, or repair this equipment disengage all drives, lower implements to the ground, 3.
  • Page 30: Maintenance Charts

    * Indicates initial service for new machines. ** Or every two years whichever comes first. III - Use Jacobsen hydraulic fluid: Capacity: 5 gallons (19 Liters). Order Part No. 2500548 carton, containing *** Inspect visible hoses and tubes for leaks or oil marks.
  • Page 31: Notes

    NOTES NOTES...
  • Page 32: Parts List

    Transportation 4. Order by the quantity desired, the part number, and charges must be prepaid. description of the part as given in the parts list. Use of other than Jacobsen authorized parts will void the warranty.
  • Page 33: Table Of Contents

    PARTS LIST TABLE OF CONTENTS______________________________________________________ 1.1 ..Decals ..............34 60.1..Front Axle ............130 2.1 ..Hood and Front Cowling ........36 61.1..Electrical Schematic ........132 3.1 ..Hood ..............38 62.1..Hydraulic Schematic........136 4.1 ..Floorboard Platform ......... 40 63.1..
  • Page 34: Decals

    R-311 Serial No. 69166 - All 1.1 Decals THIS RADIATOR CONTAINS ANTI-FREEZE PROTECTED TO -26 F (-32 C) Mix equal parts of clean water and a premium quality ethylene glycol based anti-freeze to 4181861 maintain the boil over, rust and corrosion protection.
  • Page 35 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4199160 Decal, R-311 Weight Located on right frame rail 4117468 Decal, 105 dB Noise Located on right frame rail 4194260 Decal, ROPS Deployment Located on ROPS folding section Serial Plate Located on right frame rail...
  • Page 36: Hood And Front Cowling

    R-311 Serial No. All 2.1 Hood and Front Cowling 33 / 34...
  • Page 37 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4182022 Hood, R-311 See 3.1 4212423 Latch, Overcenter • Keeper 400408 Screw, 1/2-13 x 1-1/2” Hex Head 450152 Screw, M5-0.8 x 20 mm Hex Head 403912 Screw, #10-24 x 5/8” Truss Head 450322 Nut, M5-0.8 Hex...
  • Page 38: Hood

    R-311 Serial No. All 3.1 Hood 7 / 8...
  • Page 39 • Screw, 1/4-20 x 1” Slotted 453023 • Flat Washer, 1/4 446130 • Lockwasher, 1/4 Heavy 443102 • Nut, 1/4-20 Hex 4202200 • Decal, Left Side Jacobsen 4202201 • Decal, RIght Side Jacobsen 4187682 • Decal, R-311 4189000 • Foam, Top Rear 4189001 •...
  • Page 40: Floorboard Platform

    R-311 Serial No. All 4.1 Floorboard Platform 23 21...
  • Page 41 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4185961 Right Side Fender 4185960 Left Side Fender 4185981 Pad, Right Side Step 4185980 Pad, Left Side Step 441614 Carriage Bolt, 5/16-18 x 1” 445781 Nut, 5/16-18 Whizlock Flange 441669 Carriage Bolt, 1/4-20 x 2-3/4”...
  • Page 42: Console Support

    R-311 Serial No. All 5.1 Console Support...
  • Page 43 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4168044 Support, Console 4189011 Console Wall Seat and Seat Base See 6.1 4185864 Rod, Seat Pivot 460026 Cotter Pin, 1/8 x 3/4” 452007 Flat Washer, 3/8 400264 Screw, 3/8-16 x 1-1/4” Hex Head...
  • Page 44: Seat And Seat Base

    R-311 Serial No. All 6.1 Seat and Seat Base 4181865...
  • Page 45 R-311 Item Part No. Qty. Description Serial Numbers/Notes 450453 Locknut, M8-1.25 Center 452388 4 Screw, M8-1.25 x 20 mm Hex Head 4185860 4 Seat Riser 400186 4 Screw, 5/16-18 x 7/8” Hex Head 4198581 3 Spacer 445795 Nut, 5/16-18 Spiralock Flange...
  • Page 46: Control Panel

    R-311 Serial No. All 7.1 Control Panel Part of 8 Part of 11 Part of 34 Part of 19 Control Panel Decal...
  • Page 47 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4193340 Control Panel 4170760 • Decal, Control Panel 338601 Circuit Breaker, 10 Amp REFERENCE CB1, See 61.1 338601 Circuit Breaker, 10 Amp REFERENCE CB2, See 61.1 338601 Circuit Breaker, 10 Amp REFERENCE CB3, See 61.1...
  • Page 48: Lift Valve

    R-311 Serial No. All 8.1 Lift Valve Item Part No. Qty. Description Serial Numbers/Notes 1001802 Lift Valve See 53.1 366150 Weather Strip 132473 Right Wing Lift Lever 132472 Center Lift Lever 132471 Left Wing Lift Lever 366522 Knob, Lift Lever...
  • Page 49: Throttle

    R-311 Serial No. All 9.1 Throttle Item Part No. Qty. Description Serial Numbers/Notes 4172944 Throttle Handle 326731 Knob, Throttle 4177920 Cable, Throttle See 21.1 for Engine Connection 445800 Palnut, 3/16 440116 Carriage Bolt, 3/8-16 x 7/8” 4178004 Bracket, Throttle Lever Mounting...
  • Page 50: Traction Pedal Linkage

    R-311 Serial No. All 10.1 Traction Pedal Linkage 18 19...
  • Page 51 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4116048 Pedal, Hydro 3007230 Stop, Mow Speed 3003474 Grip, Reverse Pedal 3003475 Grip, Forward Pedal 400188 Screw, 5/16-18 x 1” Hex Head 3002695 Flat Washer, 5/16 444718 Locknut, 5/16-18 Center 4183720 Arm, Pedal 409812 Screw, 5/16-18 x 3/4”...
  • Page 52: Traction Linkage

    R-311 Serial No. All 11.1 Traction Linkage 8 13 8 13...
  • Page 53 R-311 Item Part No. Qty. Description Serial Numbers/Notes 2500257 Tube, Traction Return 3007095 Stop, Rear Pivot 3000593 Spacer, Traction Control 358795 Screw, 3/8-24 x 5-1/2” Special 358794 Washer 364970 Spring, Compression 443812 Nut, 3/8-24 Hex Jam 446142 Lockwasher, 3/8 Heavy...
  • Page 54: Brake Pedal

    R-311 Serial No. All 12.1 Brake Pedal...
  • Page 55 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4183261 Brake Pedal 352726 • Bushing 3006327 Shaft, Brake Pedal 4100460 Arm, Brake 403770 Screw, 5/16-18 x 3/4” Hex Flange 4183260 Lever, Parking Brake 400190 Screw, 5/16-18 x 1-1/4 Hex Head 453009...
  • Page 56: Brake Caliper

    R-311 Serial No. All 13.1 Brake Caliper...
  • Page 57 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4212841 Mount,Left Side Brake 4212745 Mount, Right Side Brake 4212744 Plate, Caliper Mounting 400411 Screw, 1/2-13 x 1-3/4” Hex Head Grade 8 4212780 Hardened Washer, 1/2” 4204160 Locknut, 1/2-13 Hex 400428 Screw, 1/2-13 x 2-3/4” Hex Head...
  • Page 58: Frame And Front Axle

    R-311 Serial No. All 14.1 Frame and Front Axle 9 / 10...
  • Page 59 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4163987 Front Axle 4207700 4213320 Hub, Wheel 4212741 Disc, Brake 800503 Screw, 1/4-20 x 5/8” Flat Head 557624 460093 Cotter Pin, 1/8 x 2-1/2” 453030 Flat Washer, 1-1/8” 4213264 Bracket, Right Side Return Spring...
  • Page 60: Steering Axle

    R-311 Serial No. All 15.1 Steering Axle 22 23 21 22...
  • Page 61 R-311 Item Part No. Qty. Description Serial Numbers/Notes 2720313 Steering Axle 2720298 • Bushing, Axle Pivot 3010489 • Bushing, Mount Pivot 4121827 Screw, 1/2-20 x 1-3/4” Socket Head 443820 Nut, 1/2-20 Hex Jam 471221 Grease Fitting, 90° 361648 Washer, Thrust...
  • Page 62: Steering Tower

    R-311 Serial No. All 16.1 Steering Tower ®...
  • Page 63 Washer, Steering Wheel 2811364 Steering Wheel 2811365 • Cover, Steering Wheel 447224 Lockwasher, 5/8 Internal Tooth 4182386 Decal, Jacobsen Emblem 5002918 Gas Spring 5002919 Cable, Actuator 416911 Screw, #10-24 x 1/2” Thread Cutting 400216 Screw, 5/16-18 x 2-3/4” Hex Head 400192 Screw, 5/16-18 x 1-1/2”...
  • Page 64: Air Cleaner

    R-311 Serial No. All 17.1 Air Cleaner 4199140 4205183 22 23...
  • Page 65 R-311 Item Part No. Qty. Description Serial Numbers/Notes 122907 Air Filter Assembly 2500704 • Wing Nut and Gasket Kit 549633 • Element, Air Cleaner 131059 Band, Air CLeaner Mounting 400266 Screw, 3/8-16 x 1-1/2” Hex Head 4193342 Rear Bumper 4199140 •...
  • Page 66: Radiator And Oil Cooler

    R-311 Serial No. All 18.1 Radiator and Oil Cooler 44 45 THIS RADIATOR CONTAINS ANTI-FREEZE PROTECTED TO -26 F (-32 C) Mix equal parts of clean water and a premium quality ethylene glycol based anti-freeze to maintain the boil over, rust and corrosion protection.
  • Page 67 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4193343 Radiator Shroud • Decal, Danger 4164381 400182 Screw, 5/16-18 x 5/8” Hex Head 452006 Flat Washer, 5/16 446136 Lockwasher, 5/16 Heavy 503609 Radiator Includes Decals 555867 • Radiator Cap 363995 •...
  • Page 68: Engine

    R-311 Serial No. All 19.1 Engine...
  • Page 69 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4161120 Engine, Kubota V2203M For complete listing of engine ser- 4200140 Engine, Kubota V2203M EC vice parts, See Engine Parts Man- 4113986 • Engine Oil Filter 557619 • Cartridge, Fuel Filter 5000938 •...
  • Page 70: Engine Mounts

    R-311 Serial No. All 20.1 Engine Mounts...
  • Page 71 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4163820 Mount, Rear Engine 443118 Nut, 1/2-13 Hex 4197821 Mount, Left Front Engine 132425 Mount, Right Front Engine 365979 Screw, M12-1.25 x 25 mm Metric Grade 8.8 446154 Lockwasher, 1/2 Heavy 453017...
  • Page 72: Engine Fuel Control

    R-311 Serial No. All 21.1 Engine Fuel Control Item Part No. Qty. Description Serial Numbers/Notes 4177920 Throttle Cable See 9.1 400108 Screw, 1/4-20 x 3/4” Hex Head 453023 Flat Washer, 1/4 444708 Locknut, 1/4-20 Center > Change from previous revision...
  • Page 73: Muffler

    R-311 22.1 Muffler Item Part No. Qty. Description Serial Numbers/Notes 1001226 Muffler 1001251 Exhaust Pipe 553020 Gasket, Exhaust Included with Engine 594331 Bolt and Lockwasher Set Included with Engine 1000050 Muffler Bracket 400188 Screw, 5/16-18 x 1” Hex Head 452006...
  • Page 74: Fuel Tank

    R-311 Serial No. All 23.1 Fuel Tank Part of Hood To Engine Return To Engine 30 28...
  • Page 75 R-311 Item Part No. Qty. Description Serial Numbers/Notes 163987 Fuel Cap 163986 Fuel Sender REFERENCE U8, See 61.1 148081 • Gasket 403910 Screw, #10-24 x 1/2” Truss Head 361117 Bushing, Fuel 452006 Flat Washer, 5/16 400188 Screw, 5/16-18 x 1” Hex Head...
  • Page 76: Tank Support

    R-311 Serial No. All 24.1 Tank Support...
  • Page 77 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4175121 Support, Rear Tank 132432 Support, Left Side Tank 132431 Support, Right Side Tank 400286 Screw, 3/8-16 x 2-3/4” 446142 Lockwasher, 3/8 Heavy 445806 Nut, 3/8-16 Hex Nylock 400262 Screw, 3/8-16 x 1” Hex Head...
  • Page 78: Hydraulic Tank

    R-311 Serial No. All 25.1 Hydraulic Tank...
  • Page 79 R-311 Item Part No. Qty. Description Serial Numbers/Notes 503612 Hydraulic Oil Tank Includes Decals 367551 Switch, Hydraulic Oil Temperature REFERENCE SW13, See 61.1 163915 Breather, Tank 557680 • Screen Important note located below 557681 • Gasket, Rubber 402120 Screw, #10-24 x 5/8” Slotted...
  • Page 80: Pumps And Control Valve

    R-311 Serial No. All 26.1 Pumps and Control Valve 19 18...
  • Page 81 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4153880 Pump, Traction See 56.1 557447 • O-Ring 338938 • Pump Coupler 4138342 Pump, 4 Section Gear 4138341 • Seal Kit 557417 • Pump Adapter 557418 • Gasket 400412 Screw, 1/2-13 x 2” Hex Head...
  • Page 82: Traction Hydraulics

    R-311 Serial No. All 27.1 Traction Hydraulics...
  • Page 83 R-311 Item Part No. Qty. Description Serial Numbers/Notes 132417 Hose, Traction Pump to Axle Motor 340269 Adapter, Tee 340074 Adapter, 90° 4153880 Traction Pump See 26.1 for component mounting 4170780 Front Axle Motor See 26.1 for component mounting 132446 Hose, Pump to 4WD Valve Port B 340070 Adapter, 90°...
  • Page 84: Gear Pump Hydraulics

    R-311 Serial No. All 28.1 Gear Pump Hydraulics Gear Pump Right Wing Deck Valve Left Wing Deck Valve Front Deck Valve Item Part No. Qty. Description Serial Numbers/Notes 338946 Adapter, 90° Beaded 339903 • O-Ring 326112 Clamp, Hose 4148898 Hose, Pump Suction...
  • Page 85: Control Valve Hydraulics

    R-311 Serial No. All 29.1 Control Valve Hydraulics Gear Pump Control Valve 4WD Valve Item Part No. Qty. Description Serial Numbers/Notes 340065 Adapter, 90° 364945 Adapter, Diagnostic Port 363030 Dust Cover 339989 Adapter, Straight 1003105 Hose, Pump to Control Valve...
  • Page 86: Steering Hydraulics

    R-311 Serial No. All 30.1 Steering Hydraulics Steering Cylinder To Control Valve Control Valve Steering Valve To Steering Cylinder Item Part No. Qty. Description Serial Numbers/Notes 339984 Adapter, Straight 4185401 Hose, Control Valve to Steering Steering Valve Port P 4189080...
  • Page 87: Lift Hydraulics

    R-311 Serial No. All 31.1 Lift Hydraulics Right Wing Cylinder Lift Valve Control Valve Right Front Cylinder Left Wing Cylinder Back Pressure Valve Left Front Cylinder Item Part No. Qty. Description Serial Numbers/Notes 340066 Adapter, 90° 123222 Tube, Control Valve to Lift Valve...
  • Page 88: Lift Return Hydraulics

    R-311 Serial No. All 32.1 Lift Return Hydraulics Hydraulic Tank Right Wing Cylinder Front Right Cylinder Left Wing Cylinder Front Left Cylinder Item Part No. Qty. Description Serial Numbers/Notes 340061 Adapter, 90° 1003595 Hose, Cylinder to Cylinder 340263 Adapter, Tee...
  • Page 89: Motor Return Hydraulics

    R-311 Serial No. All 33.1 Motor Return Hydraulics Hydraulic Tank Item Part No. Qty. Description Serial Numbers/Notes 340055 Adapter, 90° 1000700 Hose, Left Wheel Motor Drain See 27.1 1000700 Hose, Right Wheel Motor Drain See 27.1 359186 Adapter, Tee 1003138 Hose, Right Wing Deck Drain See 39.1...
  • Page 90: Charge Hydraulics

    R-311 Serial No. All 34.1 Charge Hydraulics Steering Valve Charge Filter To Charge Filter Traction Pump Contol 4WD Valve Valve Item Part No. Qty. Description Serial Numbers/Notes 132540 Hose, Control Valve to Tee Control Valve Port F 340029 Adapter, 45°...
  • Page 91: Oil Cooler Hydraulics

    R-311 Serial No. All 35.1 Oil Cooler Hydraulics Cooler Return Filter Left Wing Deck Valve Front Deck Valve Hydraulic Tank Item Part No. Qty. Description Serial Numbers/Notes 340070 Adapter, 90° 4192440 Hose, Front to Left Wing Deck Valve 2720559 Adapter, Tee...
  • Page 92: Return Hydraulics

    R-311 Serial No. All 36.1 Return Hydraulics Hydraulic Valve Backpressure Valve Control Valve Traction Pump Front Axle Motor Right Wing Deck Valve Item Part No. Qty. Description Serial Numbers/Notes 351124 Adapter, Straight 358949 Adapter, 90° 357613 Adapter, Straight 4188620 Hose, Backpressure Valve to Tank...
  • Page 93: Front Deck Hydraulics

    R-311 Serial No. All 37.1 Front Deck Hydraulics Item Part No. Qty. Description Serial Numbers/Notes 1003584 Hose, Motor to Front Valve Front Deck Valve Port B 4192362 Front Deck Hose Assembly 1003584 • Hose, Front Valve to Motor Front Deck Valve Port A 4192360 •...
  • Page 94: Left Wing Deck Hydraulics

    R-311 Serial No. All 38.1 Left Wing Deck Hydraulics Left Wing Deck Valve Inside Motor Outside Motor Item Part No. Qty. Description Serial Numbers/Notes 340070 Adapter, 90° 339989 Adapter, Straight 366445 Adapter, Tee 362288 Adapter, 90° 1003134 Left Wing Deck Hose Assembly 132575 •...
  • Page 95: Right Wing Deck Hydraulics

    R-311 Serial No. All 39.1 Right Wing Deck Hydraulics Outside Motor Right Wing Deck Valve Inside Motor Item Part No. Qty. Description Serial Numbers/Notes 340070 Adapter, 90° 339989 Adapter, Straight 362288 Adapter, 90° 366445 Adapter, Tee 1003133 Right Wing Deck Hose Assembly 1003138 •...
  • Page 96: Hydraulic Clamping

    R-311 Serial No. All 40.1 Hydraulic Clamping Charge Filter Charge Filter Hose Tube Part of floorboard Front Axle Motor Hoses...
  • Page 97 R-311 Item Part No. Qty. Description Serial Numbers/Notes 366607.7 Spacer, Hose 359860 Clamp, 2 Hose 400204 Screw, 5/16-18 x 3-1/2” 446136 Lockwasher, 5/16 Heavy 443106 Nut, 5/16-18 Hex 3008793 Clamp, Hose Front Deck Motor Hoses 3008792 Spacer, Plate 400210 Screw, 5/16-18 x 5” Hex Head...
  • Page 98: Electrical Components

    R-311 Serial No. All 41.1 Electrical Components Part of Left Wing Part of Right Wing Limit Switch Harness Limit Switch Harness Part of Console Harness Relay Identification...
  • Page 99 R-311 Item Part No. Qty. Description Serial Numbers/Notes 365962 Wire, Solenoid to Glow Plug 163918 Wire, Circuit Breaker to Solenoid 365711 Wire, Starter to Circuit Breaker 443102 Nut, 1/4-20 Hex 4193880 Relay SPDT REFERENCE K5, See 61.1 REFERENCE K2, K3, K6, K7, K8,...
  • Page 100: Electrical Routing

    R-311 Serial No. All 42.1 Electrical Routing 12 11 Engine Tractor Harness Harness...
  • Page 101 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4167640 Cable Tie, Fir Tree 362263 Screw, M10-1.25 x 25 mm 365980 Screw, M12-1.25 x 20 mm 446154 Lockwasher, 1/2 Heavy 446130 Lockwasher, 1/4 Heavy 443102 Nut, 1/4-20 Hex 453023 Flat Washer, 1/4...
  • Page 102: Harness

    R-311 Serial No. All 43.1 Harness...
  • Page 103 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4195440 Wire Harness, Console 554492 • Lockwasher, Size 24 554493 • Panel Nut, Size 24 555845 • Light Bulb 555846 • Diode 555847 • Light Strip 4170721 Wire Harness, Engine 4172662 Wire Harness, Mower...
  • Page 104: Front Lift Arms

    R-311 Serial No. All 44.1 Front Lift Arms...
  • Page 105 R-311 Item Part No. Qty. Description Serial Numbers/Notes 2720206 Right Front Lift Arm 342033 • Bushing 2720207 Left Front Lift Arm 342033 • Bushing 4184641 Shaft, Lift Arm Pivot 346091 Pin, Retaining 446136 Lockwasher, 5/16 Heavy 400184 Screw, 5/16-18 x 3/4” Hex Head...
  • Page 106: Wing Lift Arms

    R-311 Serial No. All 45.1 Wing Lift Arms Right Wing Shown 1 / 3 2 / 4 6 30 2 / 4...
  • Page 107 R-311 Item Part No. Qty. Description Serial Numbers/Notes 2720295 Right Wing Arm 2720298 • Bushing 2720294 Left Wing Arm (Not Shown) 2720298 • Bushing 2248004 Shaft, Pivot Arm 64251-001 Flat Washer, M5 446136 Lockwasher, 5/16 Heavy 400184 Screw, 5/16-18 x 3/4” Hex Head...
  • Page 108: Wing Deck Latch

    R-311 Serial No. All 46.1 Wing Deck Latch 18 / 19...
  • Page 109 R-311 Item Part No. Qty. Description Serial Numbers/Notes 446136 Lockwasher, 5/16 Heavy 443106 Nut, 5/16-18 Hex 453011 Flat Washer, 3/8 446142 Lockwasher, 3/8 Heavy 445806 Nut, 3/8-16 Hex 400272 Screw, 3/8-16 x 2-1/4” Hex Head 132601 Bracket, Deck Roller 400264 Screw, 3/8-16 x 1-1/4”...
  • Page 110: Deck Mounting

    R-311 Serial No. All 47.1 Deck Mounting...
  • Page 111 R-311 Item Part No. Qty. Description Serial Numbers/Notes 64173-02 Pin, Snap RIng 3000439 Clevis Pin, 1/2 x 3-3/4” 3000487 Clevis Pin, 5/8 x 3” 346913 Spacer 460050 Cotter Pin, 3/16 x 1-1/4” 3006300 Clevis Pin, 5/8 x 3-5/16” 362464 Wheel Bolt, 7/16-20...
  • Page 112: Front Deck

    R-311 Serial No. All 48.1 Front Deck "X" "X" 5 / 7 8 / 10 38 13 39 NO STEP...
  • Page 113 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4194000 Front Deck 4164381 • Decal, Blade Contact Danger 3002676 • Decal, Cutting Height 366609 • Decal, No Step 2721180 Motor, Deck Counter-Clockwise Rotation 557523 • Key 4186581 Blade, Couter-Clockwise Rotation 2721181...
  • Page 114: Wing Deck

    R-311 Serial No. All 49.1 Wing Deck Left Wing Deck Shown (Right Opposite) 8 / 10 5 / 7 1 / 2 Left Wing Deck 5 / 7 8 / 10 Right Wing Deck "X" "X"...
  • Page 115 R-311 Item Part No. Qty. Description Serial Numbers/Notes 5001073 Left Wing Deck Includes Items 3 and 4 5001072 Right WIng Deck (Not Shown) 4164381 • Decal, Blade Contact Danger 3002676 • Decal, Cutting Height 2721180 Motor, CCW Rotation Deck Outside motor on Right Deck 557523 •...
  • Page 116: Caster Wheels

    R-311 Serial No. All 50.1 Caster Wheels 2 / 17 2 / 17 2 / 17 2 / 17...
  • Page 117 R-311 Item Part No. Qty. Description Serial Numbers/Notes 131717 Yoke, Caster Wheel Spindle 453022 Flat Washer, 3/4 x 1/8 Thick 3003207 Shaft, Caster Wheel 460056 Cotter Pin, 3/16 x 2” 403578 Screw, #10-24 x 1” Hex Head 446118 Lockwasher, #10...
  • Page 118: Deck Bumper

    R-311 Serial No. All 51.1 Deck Bumper Item Part No. Qty. Description Serial Numbers/Notes 3003427 Bracket, Deck Bumper 400262 Screw, 3/8-16 x 1” Hex Head 453011 Flat Washer, 3/8 446142 Lockwasher, 3/8 Heavy 445806 Nut, 3/8-16 Hex Nylock 361723 Stop, Rubber...
  • Page 119: Deck Valve

    R-311 Serial No. All 52.1 Deck Valve Part Number 4135582 4 / 5/ 6 Item Part No. Qty. Description Serial Numbers/Notes 5002911 Relief Valve 5003579 • Seal Kit 5002912 Relief Valve 5003554 • Seal Kit 3010199 Plug, SAE #6 339897 •...
  • Page 120: Lift Valve

    R-311 Serial No. All 53.1 Lift Valve Part Number 1001802...
  • Page 121 R-311 Item Part No. Qty. Description Serial Numbers/Notes 558005 Plug 500745 Plug 4113978 Spring Poppet 500746 Seat 5001599 Plunger 5001603 Plunger 558004 558007 Retaining Ring Seat 558011 Spacer 5001616 Spring 4113979 Bushing O-Ring 5001614 Spring 5001615 Poppet 5001612 Detent Repair Kit •...
  • Page 122: Control Valve

    R-311 Serial No. All 54.1 Control Valve Part Number 4174300 Viewed from Top Viewed from Rear Viewed from Right Viewed from Front Viewed from Left Item Part No. Qty. Description Serial Numbers/Notes 5003510 Relief Valve, 200 psi 5003579 • Seal Kit 556845 Flow Control Valve, 4.5 GPM...
  • Page 123: 4Wd Valve

    R-311 Serial No. All 55.1 4WD Valve Part Number 4135555 3, 5 Viewed from Right Viewed from Left Viewed from Top Viewed from Bottom Item Part No. Qty. Description Serial Numbers/Notes 556897 Spool Valve 5003581 • Seal Kit 558038 Check Valve 5003581 •...
  • Page 124: Traction Pump

    R-311 Serial No. All 56.1 Traction Pump Part Number 4153880...
  • Page 125 R-311 Item Part No. Qty. Description Serial Numbers/Notes 557454 Dowel Pin Retaining Ring Retaining Ring 4162501 Screw, Cap 557444 Plug 557442 Rotating Kit 4162502 Plate, Control Arm Cover 4162503 • Seal, Control Arm Shaft O-Ring 4162504 Washer 4162505 Plate, Cover...
  • Page 126: Rear Wheel Motor

    R-311 Serial No. All 57.1 Rear Wheel Motor Part Number 4178560 Item Part No. Qty. Description Serial Numbers/Notes Seal Exclusion Seal, 3” I.D. Back-Up Ring Shaft Seal 5003384 Shaft and Bearing Kit 554780 554779 Shaft, Face Seal Inner Face Seal...
  • Page 127: Rops

    R-311 Serial No. All 58.1 ROPS Item Part No. Qty. Description Serial Numbers/Notes 4179004 ROPS • Upper ROPS • Right Lower ROPS • Left Upper ROPS 4193120 • Tube, Polyurethane 4192460 • Pull Pin Assembly 800788 • Screw, 1/2-120 x 2-1/4” Hex Head 446152 •...
  • Page 128: Seat

    R-311 Serial No. All 59.1 Seat Part Number 4185878...
  • Page 129 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4200240 Backrest Cushion 4200241 Seat Cushion 4173562 Lumbar Handle Kit 4173563 Wear Parts Kit, Backrest Attatchment 4200244 Cover, Left Side 4200245 Cover, Right Side 4173566 OPS Switch Kit 4173567 Left Side Adjustable Armrest Kit...
  • Page 130: Front Axle

    R-311 Serial No. All 60.1 Front Axle Part Number 4163987...
  • Page 131 R-311 Item Part No. Qty. Description Serial Numbers/Notes 4201300 Case Assembly, Differential (T/L) 4201320 Gear and Pinion Assembly, Hypoid 4201520 Screw, Gear Drive Carrier Sub Assembly Includes bearing caps and screws 4201582 Shim, Adjustment 4201600 Bearing Cup, Roller 4201640 Bearing Cone, Roller...
  • Page 132: Electrical Schematic

    R-311 Serial No. All 61.1 Electrical Schematic Og/Bu Wh/Rd Wh/Rd Wh/Rd Pk/Bu Gn/Wh Gn/Wh Gn/Wh Gn/Wh Gn/Wh Pk/Bu Pk/Bu Pk/Bu Rd/Wh Rd/Wh Rd/Bn Pu/Wh Rd/Wh Bn/Rd Rd/Wh SW10 Rd/Wh Rd/LB Og/Bn Bn/Rd Rd/Bu Wh/Bk Rd/Wh Rd/Ye Rd/Wh Pu/Ye Pu/Ye Wh/Bn...
  • Page 133 R-311 Og/Bu Og/Bu Tn/Rd Tn/Rd Wh/Bk SW20 Tn/Rd Og/Bu SW18 Bu/Wh Wh/Bk Bu/Wh Gn/Wh Gn/Wh SW11 Wh/Bk Off - None Bn/Rd Bn/Rd Bn/Rd On - B+I+A; X+Y SW12 Start - B+I+S Gn/Wh Wh/Bk Gn/Wh Wh/Gn Pk/Bu Pk/Bu Pk/Bu Gn/Wh Pu/Wh...
  • Page 134 R-311 Reference Part Item Description Serial Numbers/Notes Illustration Number See 4.1 Battery See 7.1 338601 10 Amp Circuit Breaker (Interlock) See 7.1 338601 10 Amp Circuit Breaker (Instruments) See 7.1 338601 10 Amp Circuit Breaker (Cruise, 4WD) See 7.1 338558 30 Amp Circuit Breaker (Accessories) See 7.1...
  • Page 135 R-311 Reference Part Item Description Serial Numbers/Notes Illustration Number Not Shown 555845 Low Engine Oil Pressure Warning Light Not Shown 555845 Left Turn Light Optional Tail Light Optional Head Light Included in Kit 69128 Optional Head Light Included in Kit 69128 See 19.1...
  • Page 136: Hydraulic Schematic

    R-311 Serial No. All 62.1 Hydraulic Schematic Four Section Gear Pump Traction Pump 2.48 3500 PSI Front Axle 1.04 1.04 1.04 0.77 5.04 2800 RPM Motor CCW Rotation 3500 PSI Outside Right Wing Motor Right Wing Deck Valve 1.04 .0669...
  • Page 137 R-311 Valve Right Motor 11.9 11.9 Left Steering Motor Valve 1500 PSI Control Valve DL SW 200 PSI Steering Cylinder 1500 PSI Backpressure Valve 50 PSI 300 PSI 300 PSI 300 PSI Lift Valve 0.0595 in. 0.0595 in. 0.0595 in.
  • Page 138: O-Ring Chart

    HR-5111 Serial No. All 63.1 O-Ring Chart O-Ring Face O-Ring Boss O-Ring Face O-Ring Face O-Ring Boss O-Ring Boss Seal Size Dash Size Seal Size Seal Size Dash Size Dash Size W-X-Y W-X-Y W-X-Y O-Ring Face O-Ring Not O-Ring Face O-Ring Boss O-Ring Face O-Ring Not...
  • Page 139 HR-5111 Adapter Part Dash Adapter Type (W) O-Ring (X) O-Ring (Y) O-Ring (Z) O-Ring Number. Size 339979 Straight Adapter 339909 339897 339983 Straight Adapter 339910 339897 339984 Straight Adapter 339910 339898 339989 10-10 Straight Adapter 339911 339899 340003 Straight Adapter 339906 339897 340029...
  • Page 140: Fluids And Compounds

    See your local Jacobsen Dealer * Refer to the Parts & Maintenance manual for the correct hydraulic oil requirements for your machine. Jacobsen offers a High Usage Parts Catalog illustrating commonly used Parts through easy to read line Drawings. See your local Jacobsen...
  • Page 141 INDEX 1000050...... 73 132579 ....... 92 2721523 ...... 81 3010489 ......61 1000588...... 47 132580 ....... 92 2811253 .... 122 304718 ......53 1000649....51 132583 ....... 88 2811255 ...... 77 307374 ......117 1000700....83 132591 ....... 93 2811269 ....119 308404 ......109 1000843......
  • Page 142 INDEX 340783 ......53 364190 ....65 366612 ..... 105 4137099 ...... 67 340795 ......39 364248 ......107 366613 ..... 105 4137138 ....105 342033 ......105 364694 ......105 366866 ....... 35 4137139 ...... 61 344996 ......67 364774 ......47 366877 ....... 51 4138341 ...... 81 345666 ....77 364830 ....
  • Page 143 INDEX 4173579....129 4186441 ...... 67 4197821 ...... 71 4202340 ..93 4174300...... 81 4186581 .... 113 4197880 ...... 63 4203220 ......45 4175121...... 77 4186582 .... 113 4197881 ...... 55 4203422 ....105 4175664....103 4186583 ...... 67 4197940 ...... 63 4203520 ......81 4177920....
  • Page 144 INDEX 48540-01 .....75 554596 ......75 5000039.......47 554748 ....75 5000183.....105 554752 ......75 5000184.....105 554779 ....61 5000917.......63 554780 ....61 5000938.......69 555771 ......77 5001072.....115 555845 ......103 5001073.....115 555846 ......103 5001599.....121 555847 ......103 5001603.....121 555862 ......63 5001612.....121 555867 ......67 5001614.....121 556417 ......77 5001615.....121 556419 ......77 5001616.....121...
  • Page 145 INDEX...
  • Page 146 Equipment from Jacobsen is built to exacting standards ensured by ISO 9001 and ISO 14001 registration at all of our manufacturing locations. A worldwide dealer network and factory trained technicians backed by Genuine Jacobsen Parts provide reliable, high-quality product support.

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