All 20 pages of this Sperry New Holland 495 Service Manual (OEM #40049511) do one thing: give you factory-level rebuild procedures for your Haybine Mower-Conditioner. Inside, you get exploded-view diagrams covering every major driveline assembly, from the wobble hub and trunnion bearing stack to reel U-joints and conditioner roll timing. Complete removal, disassembly, assembly, and installation sequences run through the gearbox slip clutch, reel drive jackshaft, cam bearings and bushings, and conditioner rolls. Set wobble shaft bearing running fit to 6-10 in. lbs. (.68-1.13 N·m), then torque the knife head bolt lock nut to 85 ft. lbs. (115 N·m), straight from the factory spec sheet. Your 495 is down and the hay isn't waiting. Bookmarks drop you straight to any assembly section; search by keyword, pull the spec, and get back to work.
What's Inside This Sperry New Holland 495 Manual
| System | Pages | Key Topics |
|---|
| Introduction and Table of Contents | 2 | |
| Wobble Drive | 3-5 | Wobble Hub, Wobble Shaft, Wobble Yoke, Trunnion Bearing, Steady Rest Support, Sickle Drive Belt |
| Gearbox | 6-7 | Input Shaft, Output Shaft, Pinion Gear, Bevel Gear, Bearings, Slip Clutch Assembly |
| Main Drive Shaft | 8 | Conditioner Roll Drive Chains, Lock Collar, Roll Drive Sprocket, Coupler Sprocket, Bearing Brackets, Shaft |
| Reel Drive Jackshaft | 9 | Reel Drive Chain, Reel Drive Belt, Reel Drive Sprocket, Jackshaft Assembly, Tapered Roller Bearings, Idler Arm |
| Reel Tine Bar Bearings | 10 | Tine Bar Bearing, Inner Spider Leg, Dust Cap, Snap Ring, Bearing Housing, Grease |
| Reel U-Joints | 11-12 | Universal, Bearing Housing Assembly, Hardened Washer, Snap Ring, Reel Tube, Spider Assembly |
| Reel Cam Bearings and Bushings | 13-14 | Cam Assembly, Reel Tube Shaft, Bearing Locking Collar, Bearing Housing, Cam Rollers, Bushings |
| Conditioner Rolls | 15-17 | Header Lift Springs, Upper Link Bolt, Roll Drive Chains, Torsion Bar Linkage, Roll Bearing Support Plate, Roll Drive Sprockets |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Knife head bolt lock nut torque | 85 ft. lbs. (115 N·m) | p. 5 |
| Wobble shaft bearings running fit | 6-10 in. lbs. (.68 to 1.13 N·m) | p. 4 |
| Trunnion bearing caps force to rotate hub | 6-10 in. lbs. (.68-1.13 N·m) | p. 4 |
| Wobble drive trunnion bearing shim sizes | .003", .005", .007", and .020" | p. 4 |
| Gearbox output shaft shim sizes | .003", .005", .007", and .020" | p. 7 |
| Reel drive chain spring overall length | 7" (177 mm) | p. 9 |
| Upper roll drive chain deflection | 3/16" (4.8 mm) | p. 17 |
| Reel U-joint bearing bolts torque | 150 ft. lbs. (203 N·m) | p. 12 |
| Wobble yoke assembly vertical movement | no more than .006" (.15 mm) | p. 5 |
| Gearbox backlash between gears | .004" to .012" | p. 7 |
| Wobble Shaft Bearing Running Fit | 6-10 in. lbs. | p. 4 |
| Wobble Yoke Assembly Vertical Movement Limit | .006" (.15 mm) | p. 5 |
