Need the factory teardown procedures for your Same tractor? This 583-page Same 90 workshop manual PDF (OEM #307.1026.3.0) breaks down the complete engine, hydrostatic steering, and epicyclic reduction gear for the 90, 100, 110, 130, and 170 models. Inside, you get a massive troubleshooting section covering everything from overfuelling pressure checks to differential lock systems. Open to full hydraulic schematics for the lifting group, complete electrical wiring diagrams, and exploded views of the gearbox main and counter shaft bearings. Diagnose a dead starter motor by checking for oxidized battery terminals, and refer to page 1.5-6 for the oil filter replacement procedure before buttoning up the engine block. Your machine is down. Download the bookmarked file, jump to any section with a quick text search, and start wrenching.
What's Inside This Same Laser 90-170 Manual
| System | Pages | Key Topics |
|---|---|---|
| Workshop Manual | 1-6 | - |
| General | 7-10 | Methods of Tightening Nuts and Bolts, Method of Tightening, Type of Tightening, List of Particular Fixings |
| Engine Unit | 11-101 | General Features, Heads, Valves, And Rocker Arms, Pistons, Piston Pins, And Piston Rings, Crankshaft |
| Engine Lubrication System | 102-115 | General Features, Oil Pump, Pressure Relief Valve, Oil Radiator, Checking the Lubrication System Pressure, Fluids and Lubricants |
| Fuel System | 116-147 | General Features, Air Pre-Cleaner, Fuel Supply Pump, Injection Pumps, Injectors, Fuel System Bleeding |
| Overfuelling | 148-168 | General Features, Overfuelling Pressure Checks, Turbocompressor and Exhaust Manifold, Radial Rotor Play Check, Rotor Axle Play Check, Technical Data and Specifications |
| Gearbox Clutch | 169-185 | General Features, Clutch Pedal, Clutch Master Cylinder, Clutch Operating Cylinder, Hydraulic System Piping, Clutch |
| Gearbox | 186-279 | General Features, Preliminary Operations, Shafts and Gearing, Play Adjustment of the Gearbox Main and Counter Shaft Bearings, Differential Blocking System |
| Gearbox Lubricationsystem | 280-287 | Oil Pump, Oil Filters, Pressure Relief Valve, Oil Radiator |
| Clutch P.T.O. | 288-306 | Clutch Control Lever, Clutch Master Cylinder, Clutch Operating Cylinder, Clutch, Hydraulic Pump |
| Front Axle | 307-325 | Front Axle Assembly, Wheel Hub, Wheel Shaft, Steering Tie Rods, Steering Centre Lever, End - Float Adjustment |
| Front Driving Axle | 326-362 | Front Driving Axle Assembly, Rocking Mountings, Hub, Epicyclic Reduction Gear, Crown Wheel and Pinion, Differential Lock System |
| Back Axle | 363-376 | Dismounting, Gear Teeth and Grooves, Bearings, Bell Axle Shaft Support, Spring Load Adjustment of Tapered Roller Bearing, Track Variation |
| Brakes | 377-405 | Service Brakes, Pedal Assembly, Brake Master Cylinder, Parking Brake, Front Brakes, Rear Brakes |
| Wheels and Tyres | 406-408 | Check of Tyre Condition, Excessive Wear, Dismounting and Remounting of Wheels |
| Hydrostatic Steering | 409-444 | Steering Wheel and Steering Column, Distributor, Power Steering Housing, Oil Tank, Oil Pump, Complete Hydraulic Circuit |
| Complete Cabine | 445-495 | Cab Roof and Inside Roof Trim, Door, Windows, Fixed Glass and Gasket, Seats, Dashboard |
| Lifting Group | 496-541 | Oil Filter, Oil Pump, Resounder, Lifting House, Lifting Control Lever, Lifting Mechanism |
| Supplementaryhydraulic Circuit | 542-570 | Working Diagrams, Oil Filter, Oil Pump, Safety Valve, Distributors, Distributor Control Lever |
| Electrical Lighting | 571-583 | Headlights, Rear Lighting Group, Number Plate Light, Internal Lighting, Windscreen Wipers, Windscreen Washer |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Oil filter replacement | 1.5-6 | p. 102 |
| Starter motor fails to start: Battery terminals oxidized | Clean contacts and tighten terminals | p. 98 |
| Starter motor fails to start: Battery discharged | Recharge battery or replace | p. 98 |
| Battery terminals oxidized | Clean contacts and tighten terminals | p. 98 |
| Battery discharged | Recharge battery or replace | p. 98 |
| Oil filter type | FT 4813 IN | p. 110 |
| Tightening torque for bolts securing oil radiator | SEE: GENERAL Nuts/bolts Tightening Methods | p. 108 |
| Injector calibration | 1.6A-18 | p. 116 |
| Outer cartridge replacement | after it has been cleaned six times | p. 120 |
| Inner safety cartridge replacement | if the outer cartridge is damaged | p. 120 |
| Injector clamp nuts | 16.7 to 18.6 (1.7 to 1.9; 12.29 to 13.74) N-m (kg-m; ft-lb) | p. 144 |
| Sleeve coupling traverse | 11 +1 0 mm (0.433 +0.04 0 in) | p. 303 |
Same Laser 90-170 Common Problems This Manual Covers
Same 90 tractor hydraulic lift fails after hours of operation, arms blocked or lower slowly.
Check the pump capacity on page 532. Verify it delivers 64 I/1' (14.08 imp. gall/1') at maximum engine speed. Inspect the oil filter and replace if clogged. Drain and refill the system with fresh hydraulic fluid to prevent thermal breakdown under load.
Manual Section: Lifting Group Troubleshooting p. 532Engine overheats during heavy field work,
Check the radiator core and coolant passages for scale and debris, confirm the thermostat opens at its rated temperature, and verify water-pump belt tension. Inspect the fan shroud and look for a collapsed lower radiator hose restricting flow under load. The cooling-system section lists the thermostat rating and pump specifications.
Manual Section: Engine p. 120Same Laser gearshift is hard or the transmission jumps out of gear under load
Inspect the clutch adjustment and release-bearing travel first, then check the shift linkage and detent springs for wear. Worn synchroniser rings or a dragging clutch make gears difficult to engage; the Power Train section covers the clutch adjustment procedure and the gearbox overhaul with the synchroniser and detent specifications.
Manual Section: Power TrainFrequently Asked Questions
What are the torque specs for cylinder head bolts on SAME Laser 130 engine?
For the SAME Laser 130 engine, the tightening torque for new cylinder head nuts is 83 ±4 N-m (8.5±0.4 kg-m; 61.46 ±2.89 ft-lb). If the nuts have been tightened previously, the torque should be 98 ±5 N-m (10±0.5 kg-m; 72.3±3.62 ft-lb). p. 90
How to bleed the hydrostatic steering hydraulic system on SAME Laser 150 tractor?
To bleed the hydrostatic steering hydraulic system, start the engine and let it run at minimum. Loosen the two unions on the power steering and turn the steering wheel both ways until all air bubbles are expelled. Then, tighten the two unions and check the oil level in the tank, topping up if necessary. p. 438
What are the replacement specifications for Clutch assembly?
For SAME Laser models 90-110, the maximum permissible wear for the clutch disk thickness is 7.5 mm (0.295 in). For models 130-170, the clutch disk thickness should be between 9.7 and 10.2 mm (0.381 and 0.401 in) under a thrust of 1260 N. p. 183
What are the replacement specifications for Hydraulic pump?
The hydraulic pump for the Clutch P.T.O. system has a maximum engine revolution capacity of 9 to 11 imp. gall/1' (1.98 to 2.42 imp. gall/1') for models 90-130. For model 150, the capacity is 25 imp. gall/1' (5.5 imp. gall/1'). p. 303
How quickly can I access this Same 90 & variants manual after buying?
Instant PDF download. You get the full 583-page searchable workshop manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Can I print this Same 90 & variants manual?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
Are hydraulic system diagrams in this Same 90 & variants workshop manual?
Full hydraulic system diagrams are included, covering circuits, valve locations, and hydraulic component specs for the Same 90 & variants.
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