New Holland 340, 350, 351, 352, 353, 354, 355, 357, 358, 359 Grinder Mixers Service Manual 40663002

Brands: New Holland / Ford New Holland / New Holland Agriculture

Equipment Type: Grinder Mixers (Agricultural Implement)

Manuals Type: Service Manual

Machine Model & Serial Number: 340, 350, 351, 352, 353 (Below and Above SN 400864), 354, 355 (Below and Above SN 733521), 357, 358 (Below and Above SN 733257), 359

Region: N/R

Book Code: 40663002

Issued: Issue 1-92 (Replaces All Previous Issues)

Language: English

Pages: 42

File Format: Portable Document Format (PDF)

Remark: High-value definitive factory service manual for New Holland Grinder-Mixers. This is a complete repair manual for power transmission components. Nuclear Level Detail: Contains exhaustive internal overhaul procedures for all gearbox variants, including input shafts, mixing augers, and unloading auger drive shafts. Features precision instructions for hammer mill shaft and bearing replacement, alongside model-specific backlash and preload adjustments for tapered roller and needle bearings. Includes a comprehensive Labor Guide for all major service operations.

Table of contents

• SECTION 1 - GEARBOXES
  • Models 340 and 350
    • Disassembly: Shaft and Housing Units, Needle Bearings
    • Assembly: Woodruff Key Insertion, Bearing Cup/Cone Setup
    • Adjustment: Backlash Requirements (0.007" - 0.037")
  • Models 351, 352, 353 (Below SN 400864) and 354
    • Disassembly: Pressing Shafts through Bearing Cones
    • Assembly: New Bearing Cone Heat Treatment (250°F / 121°C)
    • Adjustment: Tapered Roller Bearing Torque Calibration (2-6 in. lbs.)
    • Backlash Management: Shim Removal and Placement Specs
  • Models 353 (Above SN 400864) and 355
    • Removal: Mixing Tank Floor Seal and Cap Screw Access
    • Disassembly: Shaft and Bearing (4 and 5) Separation
    • Assembly: Bevel Gear (15 T) and Bearing Drag Calibration
    • Torque: Setscrew and Jam Nut Specifications
  • Model 357
    • Disassembly: Castellated Nut and Soft Punch Usage
    • Reassembly: Large Ring Gear Installation Priority
    • Backlash: Shim Adjustment (0.005" - 0.015") between Bearing and Gear
  • Model 358
    • Removal: Mixing Tank Access Cover and Floor Jack Placement
    • Disassembly: Pinion (19) and Input Shaft Separation
    • Assembly: Bearing Preload and Setscrew (23) Calibration
    • Installation: Hub Seating and Cap Screw Torque (150 ft. lbs.)
  • Model 359 (Heavy Duty Hypoid)
    • Removal: Tank Access Door and U-Joint Disconnection
    • Disassembly: Ring Gear Hub Separation (25-30 Tons Force Required)
    • Pinion Shaft Shimming: Calculating Factor A and B for Precision Location
    • Assembly: Hypoid Gear Set Matching and Bearing Preload (15-25 in. lbs.)
    • Backlash: Dial Indicator Setup and Shim Manipulation Logic
    • Final Torque: Output Shaft Cap Screw (140-155 ft. lbs.)
• SECTION 2 - DRIVE SHAFT ASSEMBLIES
  • Models 340 thru 358
    • Bearing Cone Heat Treatment (300°F / 149°C)
    • Sheave and Housing End Play Adjustment (0.002" - 0.006")
  • Model 359
    • Shaft (8) Installation and Pulley End Play Calibration
    • Belt Tension Requirements and Spring Eyebolt Adjustment
• SECTION 3 - HAMMER MILL SHAFT AND BEARING REPLACEMENT
  • Models 352, 353, 354, 355 (Low SN), 358 (Low SN)
    • Drive Pulley Removal and Shaft Support Setup
    • Bearing Housing Removal using Heat Application
  • Models 355 (High SN) and 358 (High SN)
    • Fan Transition and Band Disassembly
    • Shim Installation under Front Bearing Housing Bolts (0.015" Max Gap)
  • Model 359
    • Power Bale Feeder Drive Belt Disconnection
    • Bearing Housing Puller Construction (5/8" Steel Plate Method)
    • Fan Installation: Checking Dimension "X" and Washer Thickness
    • Belt Alignment: Straightedge Verification and Force (70 lbs.) Testing
• SECTION 4 - LABOR GUIDE
  • Augers: Concentrate, Hammer Mill Transfer, Mixing, Tank Discharge
  • Drives: Belt, Chain, Gearbox Rebuild (Standard vs 359), PTO Yoke
  • Frame and Hammer Mill: Bearing and Shaft Assembly Man-Hours
  • Hydraulic System: Motor/Pump Rebuild and Valve Resealing
  • Scale and Winch: Weighbar and Hitch Indicator Service Times

Professional Service Insight
When servicing Model 359 gearboxes, note that it requires extreme pressure (25-30 tons) to separate the ring gear hub from the shaft—proper hydraulic equipment is mandatory. Always replace bearings as matched sets and check the etched numbers on ring gear and pinion faces to ensure they correspond. For hammer mill drive belts, never overtighten; follow the specific deflection force (50-70 lbs) to prevent premature failure of the jackshaft bearings. During reassembly, coat all gearbox joints with #2 Permatex and use non-corrosive silicone sealant for the covers to ensure zero lubricant leakage.