Part of the Kubota Operator Manuals.
This is the Kubota Parts and Owner's Manual for the B3548 rear mount rotary mower, a 17 page PDF (form 551-14006) for the 48 inch three blade deck starting with serial number 3548-101.
It covers safe setup and operation, from front end ballast and weight distribution through attaching the mower to the tractor, V belt tension, cutting height, and the lubrication and maintenance schedule with blade maintenance. Bolt torque specifications and gearbox and spindle repair procedures are included, along with a full specification table and illustrated parts lists.
For owners this is the reference for correct assembly, safe PTO operation at the rated speed, keeping an even cut, and ordering blades, bearings, belts, and driveline parts by factory part number.
What's Inside This Kubota B3548 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Approved Tractor Models, Serial Number Record | 2 | Approved Tractor Models, Ser. No. Record, Approved Tractor Models for the B3548 Mower, Serial Number Record |
| Introduction | 3 | Manual Purpose, Reading the Manual, Safety Precautions, Safety Alert Symbol Identification, Inspect Mower Assembly, Operator Familiarity, Stop Engine and Remove Ignition Key, Mow Up and Down Slopes |
| Safety Signs on the Machine | 4 | Decal Replacement, Decal, PTO Danger, Caution, Discharge, Operating Safety, Shield, PTO Speed |
| Tractor Equipment Required | 5 | Front End Ballast, Proper Weight Distribution, Front Axle Weight Formula, Additional Ballast, Assembly Instructions, Attach Discharge Shield, Lift Mast Up and Attach Rear Brace, Adjust V-Belt Tension |
| Attaching Instructions | 6 | Figure 2 Attaching Mower to Tractor, Position the Tractor, Remove and Re-Attach Tractor Top Link, Adjust Tractor Lift Linkage, Lower Tractor Linkage, Shut Off Engine, Lock Brakes, And Shift Transmission |
| Adjustments | 7 | V-Belt Tension |
| Lubrication & Maintenance Instructions | 8 | Lubrication & Maintenance, Lubrication and Maintenance Schedule, Blade Maintenance |
| Bolt Torque Specifications | 9-10 | Gearbox Repair, Spindle Repair |
| Specifications | 11 | Kubota B3548 Rear-Mount 48'' Rotary Mower, Overall Length, Overall Width, Number of Blades, Cutting Height, Cutting Width, Blade Length and Width, Blade Overlap |
| Illustrated Parts Lists | 12-17 | PTO Driveshaft Assembly, Gearbox Assembly, Mounting Brackets & Shields, Main Frame & Related Parts, Housing & Spindle Assembly |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Blade Retaining Nut, 3/4-16 UNF LH Thread torque | 65-75 ft-lb (87-100 N-m) | p. 9 |
| V-Belt Tension Spring Length | 6 1/2 to 6 3/4 inches (165-171 mm) | p. 7 |
| Gearbox Connecting Bolts Torque | 15-20 ft-lb (20-25 N-m) | p. 9 |
| Gearbox Pulley Capscrews Torque | 7-9 ft-lbs (9-12 N-m) | p. 9 |
| Spindle Bearing Spacer Length | .8751-.8731" (22.228-22.177mm) | p. 10 |
| Spindle Bearing Seat Distance | .937-.935" (23.80-23.75mm) | p. 10 |
| Spindle Pulley Nut Torque | 60-70 ft. lbs. (80-93 N-m) | p. 11 |
| Overall Length | 42" (1067mm) | p. 11 |
| Overall Width | 58.5'' (1486mm) | p. 11 |
| Number of Blades | 3 | p. 11 |
| Blade Tip Speed at 2800 Erpm (876 PTO) | 15,134 feet/min. (277 Km/h) | p. 11 |
