Kubota B2791A Operator And Parts Manual
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Kubota B2791A Operator And Parts Manual

Kubota B2791A Operator And Parts Manual

Male quick hitch and subframe, mid pto drive kits
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MALE QUICK HITCH
AND SUBFRAME - B2791A
MID PTO DRIVE KITS – B2792 & B2793
FOR TRACTORS
B2630, B2710, B2910, B3030, B3200 AND B7800
SERIAL NO. 2808029 AND UP
OM 0336QH-A
MANUAL PART NUMBER 77700-01108
11/09

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Summary of Contents for Kubota B2791A

  • Page 1 MALE QUICK HITCH AND SUBFRAME - B2791A MID PTO DRIVE KITS – B2792 & B2793 FOR TRACTORS B2630, B2710, B2910, B3030, B3200 AND B7800 SERIAL NO. 2808029 AND UP OM 0336QH-A MANUAL PART NUMBER 77700-01108 11/09...

  • Page 3: Table Of Contents

    MAINTENANCE............................ 29 PARTS ..............................30 Introduction..........................30 Male Quick Hitch (70060-02161)....................31 Male Quick Hitch and Subframe – B2791A ................. 32 Drive Kit – B2792 (Option)......................36 Drive Kit – B2793 (Option)......................37 Male Driveline -70060-02171 ...................... 38 Driveline - 70060-04541 ......................39 AVAILABLE EQUIPMENT ........................

  • Page 4: Introduction - To The Purchaser

    INTRODUCTION O THE URCHASER All products are designed to give safe, Illustrations dependable service if they are operated and The illustrations may not necessarily reproduce maintained according to instructions. Read and the full detail and the exact shape of the parts understand this manual before operation.

  • Page 5: Safety Precautions

    SAFETY PRECAUTIONS 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 assemble or use this unit.

  • Page 6: Notice

    SAFETY PRECAUTIONS - continued OTICE A safe operator is the best assurance against accidents. All operators, no matter how experienced they may be, should read this operator's manual and all other related manuals before attempting to operate the equipment. Please read the following section and pay particular attention to all safety recommendations contained in this manual and those labeled on the equipment and on the tractor.

  • Page 7: Implements & Subframe Operation

    SAFETY PRECAUTIONS - continued Implements & Quick Hitch Operation 1. Before leaving the tractor unattended, take 9. For your safety, do not work under any possible precautions. Park hydraulically supported machine elements, tractor/Quick Hitch on level ground, place they may creep down, suddenly drop or be the transmission in neutral, set the parking accidentally lowered.
  • Page 8 SAFETY PRECAUTIONS - continued 20. Never allow anyone near the work area. 21. Securely connect equipment drive shaft. Check that all tractor and equipment drivelines are in good working order. Equipment drive shaft coupler must securely lock to and be retained by annular groove on tractor drive shaft.

  • Page 9: Maintenance

    SAFETY PRECAUTIONS - continued AINTENANCE ALWAYS USE GENUINE PARTS WHEN 10. Do not modify or alter this equipment or REPLACEMENT PARTS ARE REQUIRED components operating functions. have questions 1. Keep the tractor and implement properly concerning modifications, consult with your maintained.

  • Page 10: Storage

    DECALS TORAGE Before storing the subframe or implement, certain precautions should be taken to protect it from deterioration. 1. Clean subframe implement thoroughly. 2. Make all the necessary repairs. 3. Replace all safety signs that are damaged, lost, or otherwise become illegible. If a part to be replaced has a sign on it, obtain a new safety sign from your dealer and install it in the same place as on the...

  • Page 11: Decals

    DECALS Replace Immediately if Dammaged 70060-04251 (662675) 70060-01437 (657364) OM 0336QH-A...

  • Page 12: Assembly

    ASSEMBLY UICK HITCH AND UBFRAME SSEMBLY The Quick Hitch and the Subframe are partially assembled at the factory, however, parts contained in the bag must be installed. Use the present manual and lay out all parts for assembly. Separate bolts and nuts into various sizes.

  • Page 13: Assembling The Middle Bracket And The "T" Bolt

    ASSEMBLY IMPORTANT: Starting here, select the installation figures according to the tractor model you own. Assembling the Middle Bracket and the "T" Bolt (Figure 2) 1. Assemble, without tightening, the B3030 WITH C middle support (item 1) to the RACTORS subframe (item 2) using.

  • Page 14: Installing The Hydraulic Cylinder

    ASSEMBLY Installing the Hydraulic Cylinder (Figure 3) Note 1: Make sure to point the cylinder's IMPORTANT: When using driven hydraulic ports (item 1C) to the right of the attachments (snowblower and broom) you subframe as illustrated on figure 3. must always use position 3A. Attach, as shown on figure 3, the base section Position 3B is used only during transport of of the cylinder (item 1A) to the cylinder support...

  • Page 15: Installing The Pto Drive Kit B2792 (Optional)

    ASSEMBLY Installing the PTO Drive Kit B2792 (Optional (Figure 4a) 1. Install a 1/4" NF grease fitting (item 1) on each 3. Secure each flange bearing with 5/8"NC x 1 3/4" lg hex bolts (item 4), 5/8" 1" flange bearing (item 2). Place the flange lockwashers (item 5) and 5/8"NC nylon bearing on each subframe cross plate (item 9)

  • Page 16: Installing The Pto Drive Kit B2793 (Optional)

    ASSEMBLY Installing the PTO Drive Kit B2793 (Optional (Figure 4b) 1. Install a 1/4" NF grease fitting (item 1) on each WARNING: avoid serious 1" flange bearing (item 2). Place the flange personal injury: Make sure that the quick bearing on each subframe cross plate (item 9) coupler is securely locked in place.

  • Page 17: Mounting The Quick Hitch And Subframe On The Tractor

    ASSEMBLY Mounting the Quick Hitch and Subframe on the Tractor (Figures 5-5a-6-7-8) 1. Attach, without tightening, the left rear bracket (item 1) and the spacer 3/8" (item 2) Tractor WITHOUT Front Loader Brackets to the tractor frame (item 3) using the two Tractor B7800-B3200-B2710-B2910 (fig.5.1) M14 x 1.50mm x 50mm lg hex.
  • Page 18 ASSEMBLY Tractor WITHOUT Front Loader Brackets 1. Attach, without tightening, the left rear bracket (item 1) and the spacer 3/8" (item 2) Tractors B3030 with or without Cab - B2630 to the tractor frame (item 3) using the two (fig.5.2) M16 x 1.50mm x 50mm lg hex.

  • Page 19: Tractor With Front Loader Brackets

    ASSEMBLY 1. Remove the existing harware from the front Tractor WITH Front Loader Brackets loader bracket (item 2) and use the Tractor B7800-B3200-B2710-B2910 (fig.5a.1) hardware supplied with the subframe. 2. Attach, without tightening, the left rear Preparation: Before installing the subframe, bracket (item 1) to the tractor frame (item 3) remove the lawnmower and front loader from using the two M14 x 1.50mm x 50mm lg...
  • Page 20 ASSEMBLY Tractor WITH Front Loader Brackets 1. Remove the existing harware from the front OR the B2791AKIT Reinforcement Kit loader bracket (item 2) and use the hardware supplied with the subframe. Tractors B3030 with or without Cab - B2630 (fig.5a.2) 2.
  • Page 21 ASSEMBLY IMPORTANT: The bolt heads (item 3 8" B3030 WITH WITHOUT C - B2630 RACTORS and 7) must be located on the outside of the tractor frame as shown on figure 6. 5. Figure Install, without tightening, hose support bracket (item 1) in the area shown on the tractor frame (item 2) using the M14 x 1.50mm x 50mm lg bolt (item 3), the 14mm lockwasher...
  • Page 22 ASSEMBLY 8. Figure 7: Slide the subframe under the B3030 WITHOUT C - B2630 RACTORS tractor. Lift the nose of the male quick hitch (item 1) and hook the upper section of the subframe (item 2) on the tractor bumper (item 3).
  • Page 23 ASSEMBLY 10. Figure 8: Align the holes of the middle bracket B7800 – B3200 - B2710 - B2910 RACTORS (item 4) with the holes of the rear support (fig. 2, item 1). 11. Insert the 15/16" x 10 3/8" "L" pin (item 2) and secure with the 1/4"...

  • Page 24: Installing The Hydraulic Components

    ASSEMBLY Installing the Hydraulic Components (Figure 9) B3030 WITH WITHOUT C - B2630 RACTORS 1. Apply a few layers of thread sealant on the male end of the 90 elbows (item 1) and attach each elbow to the cylinder's hydraulic (item 2A et 2B).
  • Page 25 ASSEMBLY 4. Install the other two identification rings on tractor's hydraulic valve. WARNING: avoid serious NOTE: Figure 10: For the B3030, pass the personal injury: Escaping hydraulic/diesel hoses outside the grill-guard. For the B7800 fluid under pressure can penetrate the skin and B3200, pass the hoses inside the grill- causing serious injury guard.

  • Page 26: Removing The Subframe From The Tractor

    ASSEMBLY Removing the Subframe From the Tractor (Figure 10) B3030 WITH WITHOUT C - B2630 RACTORS WARNING: To avoid serious personal injury: Park the tractor on level ground, place the transmission in neutral, set the parking brake, disengage the PTO, place all control levers in neutral, shut off the engine, remove the ignition key and allow the rotating parts to stop BEFORE removing the...
  • Page 27 ASSEMBLY Install the dust plugs (fig. 9, item 4) on the hose's female quick couplers (fig. 9, item 7) and the dust caps on the male quick couplers of the tractor valve. Remove the hoses (fig. 9, items 8 et 9) from the hose support (fig.

  • Page 28: Reinstalling The Subframe On The Tractor

    1. Remove the 1/4" round wire lock pin (item 6) and the 15/16 x 10 3/8" "L" pin (item 5) from the B2791A subframe. 2. Raise the nose of the male quick hitch B7800 – B3200 - B2710 - B2910...
  • Page 29 ASSEMBLY 3. Push on the nose of the male quick hitch (item 1) until the subframe is pressed completely against the bumper. Continue to push on the nose of the male quick hitch and tighten the 3/4"NF x 4" lg "T" bolt (item 4). NOTE: If the subframe does not press completely against the bumper, check if there is any interference between the stopper (fig.

  • Page 30: Installing The Broom's Chain On The Subframe

    ASSEMBLY Installing the Broom's Chain on the Subframe (Figure 12) 1. After completing the installation of the 4. Adjust the chain so the male hitch is at 3" to broom (see operator's manual of the 3 1/2" from the ground when it's lowered broom), raise the broom to its maximum and supported by the chain.

  • Page 31: Maintenance

    MAINTENANCE AINTENANCE (Figure 13) ESCRIPTION NTERVAL AINTENANCE EQUIRED Subframe B2791A: After the first 8 hours of Retighten all bolts and nuts according to the Torque operation Hardware Specification Table 40 hours of operation After the first 4-8-12-16 and 20 hours of "T"...

  • Page 32: Parts

    PARTS NTRODUCTION All parts are illustrated in "exploded views" which show the individual parts in their normal relationship to each other. Reference numbers are used in the illustrations. These numbers correspond to those in the "Reference Number" (REF) column, and are followed by the description and quantity required. O/L - "Obtain Locally"...

  • Page 33: Male Quick Hitch (70060-02161)

    PARTS – (70060-02385) UICK ITCH ESCRIPTION Spring plate. 70060-01403 657383 Pin ø1/4" x 1 5/8", ptd 70060-01404 657384 Spring 70060-01402 657385 Quick hitch latch 70060-01612 657676 Engagement lever 70060-01613 657681 70060-02382 Male quick hitch 667255 Nut nylon insert ø3/8 NC, PTD. Flat washer ø9/16", PTD Cotter pin ø3/32"...

  • Page 34: Male Quick Hitch And Subframe - B2791A

    PARTS – B2791A UICK ITCH AND UBFRAME OM 0336QH-A...
  • Page 35 PARTS – B2791A UICK ITCH AND UBFRAME ESCRIPTION Hardware bag – Canada (not illustrated) 77700-01114 668878 Hardware bag – US (not illustrated) 77700-01115 668879 Elbow 90°, 3/8" NPT R.M. x 3/8" NPT R.M. 70060-70380 655314 Plastic handle ø1/2" x 3" lg...
  • Page 36 PARTS – B2791A ( UICK ITCH AND UBFRAME CONT OM 0336QH-A...
  • Page 37 PARTS – B2791A ( UICK ITCH AND UBFRAME CONT ESCRIPTION 667250 Pin "L" 15/16" x 10 3/8" lg, PTD 70060-02375 Rear support 77700-01110 668874 667253 Middle support 70060-02378 667257 Rear bracket - LH 70060-02379 667258 Rear bracket - RH 70060-02380 667261 Spacer 3/8"...

  • Page 38: Drive Kit - B2792 (Option)

    PARTS PTO D – B2792 (O RIVE PTION ESCRIPTION Hardware bag – Canada (not illustrated) 70060-02388 667281 Hardware bag – US (not illustrated) 70060-02389 667282 Output shaft 1" x 19 3/4" lg 70060-02392 4700057 Driveline S6 - 37 1/4" 70060-04541 4700121 Bearing ø1"...

  • Page 39: Drive Kit - B2793 (Option)

    PARTS PTO D – B2793 (O RIVE PTION ESCRIPTION Hardware bag – Canada (not illustrated) 70060-02390 667283 Hardware bag – US (not illustrated) 70060-02391 667284 Output shaft 1" x 24" lg 70060-02393 4700065 Driveline S6 - 37 1/4" 70060-04541 4700121 Bearing ø1"...

  • Page 40: Male Driveline -70060-02171

    PARTS - 70060-02171 RIVELINE ÉF ESCRIPTION PART Driveline ass'y – male part 70060-02171 4700036 Journal cross 70060-01020 654478 Spring lock yoke repair kit 70060-01478 658113 Quick disconnect yoke ass'y 70060-01487 658251 Outer shield 70060-03757 660906 Yoke and male shaft 70060-03749 660888 Nylon repair kit 70060-04238...

  • Page 41: Driveline - 70060-04541

    PARTS – 70060-04541 RIVELINE ESCRIPTION Fixed driveline 37 1/4" 70060-04541 4700121 Spring lock repair kit 70060-01478 658113 Spring lock yoke assembly 70060-02803 4700116 Cross & bearing kit 70060-01020 654478 Fixed length double center 70001-00805 665238 Yoke 70060-01148 656492 OM 0336QH-A...

  • Page 42: Available Equipment

    AVAILABLE EQUIPMENT 60"or 72" BLADE 51" or 63" SNOWBLOWER Front or Rear Mount 60" ROTARY BROOM OM 0336QH-A...

  • Page 43: Torque Specification Table

    TORQUE SPECIFICATION TABLE GENERAL SPECIFICATION TABLE Use the following torques when special torques are not given. Note: These values apply to fasteners as received from supplier, when dry. These values do not apply if lubricants are used. BOLT SIZES (SAE) TORQUE INCHES Pounds-Foot...
  • Page 44 Printed in Canada...

This manual is also suitable for:

B2792B2793

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