OEM #OM 0287SB-A, 36 bookmarked and searchable pages covering the Kubota BX2750D 50-inch front-mount snowblower (serial 2800426 and up). Seven procedures walk you from chute installation through snow removal: attaching and removing the blower, manual rotation setup for BX1850/BX2350/BX2660/BX24 and B2320/B2620/B2920 tractors, deflector and skid shoe adjustment. Five pages of safety precautions open the manual. The maintenance section details drive chain tension (1/4 inch deflection), shear bolt replacement (9 ft-lbs / 12 N-M), gearbox fill with SAE 80W90 gear oil, and driveline greasing every 8 hours. A full torque specification table runs pages 33 through 36. Auger won't spin after hitting something buried? Look up the shear bolt part number and torque spec in seconds; bookmarks and keyword search get you there fast.
What's Inside This Kubota BX2750D Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Table Of Content | 3-4 | - |
| Decals | 11-12 | - |
| Assembly | 13-17 | Snowblower Assembly (Chute Installation, Manual Rotation Installation, Manual Rotation Installation On Bx1850, Bx2350, Bx2660 And Bx24 Tractors, Manual Rotation Installation On B2320, B2620 & B2920 Tractors), Attaching Snowblower To The Tractor, Removing Snowblower From The Tractor |
| Operation | 18-20 | Operating Controls (Engine Speed, Up And Down Control, Increasing Traction And Stability, Engaging The Drive Mechanism, Deflector Adjustment, Skid Shoe Adjustment), Snow Removal Methods |
| Maintenance | 21-22 | Gearbox And Reduction Box, Shear Bolts, Auger Repositioning, Drive Chain Tension Adjustment |
| Parts | 23-30 | Introduction, Snowblower Assembly – Bx2750d, Chute With Deflector, Manual Chute Rotation, Worm Gearbox Assembly, Reduction Box Assembly, Driveline Female Half |
| Available Options | 31-31 | - |
| Available Equipment | 32-32 | - |
| Torque Specification Table | 33-36 | - |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Shear Bolt Torque | 9 lbs-ft (12 N-M) | p. 21 |
| Auger Shear Bolt Part Number (silver, gr5) | 70060-01338 | p. 25 |
| Fan Shear Bolt Part Number (gold, gr8) | 70060-02808 | p. 25 |
| Drive Chain Deflection | 1/4" | p. 22 |
| Sprocket Allen Setscrew Torque (5/16" NC) | 10 Pounds-Foot | p. 33 |
| Worm Gearbox Spring Pin Part Number (5/16" dia. x 1 1/4" lg.) | 70060-01909 | p. 28 |
| Gearbox Breather Pressure | 5 PSI | p. 28 |
| Gearbox Casing Bolt Torque (5/16" NC) | 10 Pounds-Foot | p. 33 |
| Bearing Flange Bolt Torque (5/16" NC) | 10 Pounds-Foot | p. 33 |
| Chute Retaining Plate Bolt Torque (1/4" NC) | 5 Pounds-Foot | p. 33 |
| Snowblower Width | 50 inches | p. 1 |
| Applicable Serial Number | 2800426 and up | p. 1 |
Kubota BX2750D Common Problems This Manual Covers
Kubota BX2750D snowblower drive chain keeps breaking or throwing the chain during use p. 22
Measure drive chain deflection at the midpoint per page 22; the correct spec is 1/4 inch. Verify the impeller shear bolt is the correct grade (gold, grade 8, part 70060-02808) so it fails before the chain absorbs the shock load. Lubricate the drive chain every 4 hours of operation.
Manual Section: Drive Chain Tension AdjustmentAuger or impeller stops turning right after hitting a hidden obstruction under the snow p. 21
Kill the engine and remove the key before clearing the obstruction. Inspect the fan and auger shear bolts as shown on page 21; replace any broken bolt with the correct grade (fan: 70060-02808, auger: 70060-01338) and torque to 9 ft-lbs (12 N-M). Spin the auger by hand to confirm free rotation before restarting.
Manual Section: Shear Bolt ReplacementDischarge chute clogs and plugs solid when working through wet, heavy, sticky spring snow p. 18
Shut off the engine and clear the chute with a stick or board (never your hands), following the procedure on page 18. Run at full PTO RPM before re-entering the snow so the impeller throws rather than packs. Reduce ground speed and set skid shoes to 1/16 inch to 1/8 inch clearance on pavement per page 19.
Manual Section: Clearing a Clogged ChuteSnow feeds poorly from the outer edges and barely reaches the center auger p. 22
Confirm both augers spiral inward toward the center; reversed augers push snow outward. Compare your setup against the auger orientation diagram on page 22. Set drive chain deflection to 1/4 inch and inspect both augers for worn, bent, or damaged flighting before making another pass.
Manual Section: Auger RepositioningSnowblower shakes and vibrates abnormally as soon as the augers and impeller engage
Stop the engine immediately and pull the key. Look for a bent auger, a broken shear bolt, or debris wedged in the impeller housing. Reset drive chain tension to 1/4 inch deflection per page 22. Tighten all mounting hardware and confirm nothing is loose before restarting.
Manual Section: Abnormal VibrationFrequently Asked Questions
How do I reset the Kubota BX2750D after a shear bolt breaks?
Once a shear bolt breaks on either auger, you need to reposition the augers so they're correctly aligned. Figure 8 on page 22 shows the proper orientation of both augers relative to each other for correct snow feeding.
What is the torque spec for the BX2750D shear bolts?
Auger and fan shear bolts must be torqued to 9 lbs-ft (12 N-M). The maintenance section on page 21 specifies this value. Check tightness at frequent intervals during use.
How do I service the gearbox and change oil on a BX2750D snowblower?
Apply a layer of silicone to the gearbox casing before closing it and let it cure for at least 24 hours before adding oil. Check the oil level monthly. If low, add AGMA 5EP extreme pressure oil, SAE 80W90 gear oil, or equivalent.
How to reset Kubota BX2750D snowblower after clogging
Shut off the tractor engine and remove the ignition key first. Never use your hands. Clear the snow and debris from the chute with a 36" (925mm) stick or board, then resume operation.
How to replace shear bolts on Kubota BX2750D
Use part number 70060-02808 (gold, grade 8) for the fan and 70060-01338 (silver, grade 5) for the augers. Torque both to 9 lbs-ft (12 N-M). Figure 7 on page 21 shows the exact locations.
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Document Quality
This is a scan of a physical operator's and parts manual. The document has been processed with OCR, so you can search and copy the full text, which is clear and easy to read. All diagrams and illustrations are scanned raster images; they are not vector, but the exploded parts views are clear and all labels are legible. The pages are clean and in good condition, with no significant scan artifacts or marks, though you will find a few blank pages that were part of the original document's layout.
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