Part of the John Deere Repair Manuals.
Every one of the 427 pages in this John Deere 316, 318, 420 Technical Manual PDF (OEM TM1590) exists to put your lawn and garden tractor back in the field. You get full wiring diagrams for hunting electrical gremlins, hydraulic schematics with complete control valve service, a dedicated diagnosis section for engine, fuel, and ignition systems, and page after page of teardown procedures covering the hydrostatic transmission, differential, rear axles, steering, and brakes. Metric and inch torque charts sit right up front. Set the transmission-to-differential cap screws to 45 N-m (33 lb-ft), torque the swashplate arm nut to 60 N-m, and fill the crankcase with 1.4 L of oil. Stop bidding against strangers for a greasy paper copy. This PDF is bookmarked with a full text layer: search any spec, jump straight to your section, and get wrenching.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 9-46 | Safety (Machine Specifications) |
| Engine Repair | 47-50 | Engine Removal and Installation (Full Engine Overhaul Is Covered in Onan/Kohler CTM2, Referenced Here), Engine Mounts and Shrouds |
| Electrical Repair | 51-58 | Front PTO Clutch: Removal, Disassembly, Inspection, Assembly and Installation, Air Gap Adjustment |
| Power Train Repair | 59-130 | Transmission, Transmission Control Linkage, Differential, Rear Axles, Drive Shaft |
| Steering and Brake Repair | 131-196 | Steering 316, Steering 318 and 420, Brakes |
| Hydraulic Repair | 197-208 | Hydraulic Control Valve: Removal, Disassembly and Inspection, Relief Valve, Lift Cylinder, Reassembly |
| Miscellaneous Repair | 209-264 | Front Axle Removal and Installation, Pivot Bushing Inspection and Replacement, Mower Spindle Repair, Jack Sheave Repair, Mower Gear Case Disassembly and Assembly, Adjusting Toe-In |
| Engine, Fuel and Air System Checkout and Diagnosis | 265-374 | Engine System Checkout, Fuel System Checks, Ignition System Diagnosis, Compression and Oil Pressure Tests, Throttle and Choke Adjustments, Governor Linkage Adjustment |
| Steering and Brakes Checkout, Operation and Diagnosis | 375-427 | Steering System Oil Leak Check, Hydrostatic Steering System Check, Park Brake and Turn Brake Checks, Steering Valve Theory of Operation, Steering System Leakage Tests |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Transmission-to-Differential Cap Screw Torque | 45 N·m (33 lb-ft) | p. 31 |
| Crankcase Capacity (w/o Filter) | 1.4 L (1.5 U.S. qt) | p. 23 |
| Detent Spring Length (Transmission Control Lever Linkage, Later Versions - All Models) | 50 mm (1.970 in.) | p. 38 |
| swashplate arm to control shaft nut torque | 60 N·m (44 lb-ft) | p. 31 |
| Engine Oil and Leak Check | Check engine oil level, condition and viscosity. | p. 267 |
| Torque for lock nuts | 33 N-m (24 lb-ft) | p. 370 |
| Length of detent spring (F) | 50 mm (1.970 in.) | p. 371 |
| Engine Torque | 4.4 kg m (31.5 ft lbs) | p. 23 |
| Engine Rated Speeds Fast Idle (No Load) | 3450 rpm | p. 23 |
| Engine Crankcase Capacity (w/o Filter) | 1.4 L (1.5 U.S. qt) | p. 23 |
| 316, 318 | ||
| swashplate arm to transmission control shaft cap screw torque | 60 N·m (44 lb-ft) | p. 31 |
| 420 | ||
| Engine Horsepower | 14.9 kW (20 hp) | p. 23 |
