Hattat A90 A100 A110 Tractor Service Manual – Complete PDF Workshop Guide

Description

Hattat A90 A100 A110 Tractor Service Manual

This is the complete Hattat A90, A100, A110 tractor service manual, issued under document number 9HT10022A1A, Revision 02, dated April 2011. Across 327 pages it covers the full machine from engine overhaul through to cab trim and hydraulics, with tightening torques, setting values and step-by-step procedures written for workshop use. Every procedure in this Hattat A90 A100 A110 service manual is grouped by tractor system, so you can move straight to the chapter you need instead of paging through one continuous block of text.

File Details

• Manual type: Service Manual
• Brand / Manufacturer: Hattat (Hattat Tarım)
• Models covered: A90, A100, A110
• Document number: 9HT10022A1A
• Revision: 02
• Date: April 2011
• Language: English
• Page count: 327
• File format: PDF

Chapters Covered

• 10 General
• 20 Engine
• 30 Electrical System
• 40 Power Transmission
• 50 Brake System
• 60 Front Axle & Steering
• 70 Frame & Wheels
• 80 Cab & Shields
• 90 Hydraulics
• 100 Tools

10 General

Layout of the manual, code designation system, general repair instructions, sealing compound notes, metric tightening torque table (ISO) and a conversion table for common units. Daily, 250-hour, 500-hour, 1000-hour, 2000-hour and 4000-hour maintenance schedules are laid out with lubrication points and recommended fuel, oil and grease specifications including SAE/API grades and capacity figures.

20 Engine

Covers the Perkins 1104D-44T (A90) and 1104D-44TA (A100/A110) four-cylinder 4.4 L engines. Includes cylinder and valve location, firing order, valve lash, fuel injection lines and pump locking procedure, injector testing pressure (29.4 + 0.8 MPa), fuel transfer pump, lifter group, rocker shaft, cylinder head valves and cylinder head bolt torque-turn sequence, turbocharger wastegate pressures by part number, exhaust manifold, camshaft and bearings, engine oil filter, cooler, pump, pressure and bypass valve, oil pan and breather canister, water temperature regulator, water pump, cylinder block, crankshaft, seals, connecting rod and main bearing journals, pistons and rings, piston cooling jet alignment, front housing and covers, gear group, flywheel, flywheel housing, crankshaft pulley, fan drive, lifting bracket, alternator, starter motor and glow plugs.

30 Electrical System

12 V negative-earth system with battery, alternator and starter motor data. Covers safety precautions, battery checks and maintenance, cab and cabless fuse box layouts (FA, FB, FC, FD), standard trailer socket pinout, headlight adjustment geometry, full tractor electric diagram, instrument panel layout and controls, ignition switch positions, roof console with fan and recirculation knob, rear window opening device and the warning light cluster.

40 Power Transmission

Clutch, gearbox (12+12R, type 274), power shuttle and 4WD clutch, final drives and 2-speed PTO. Clutch chapter covers the mechanically controlled double dry disc clutch, release bearing reconditioning, splitting the tractor at the clutch, fitting the clutch without splitting, free travel adjustment (20–25 mm pedal, 30–40 mm PTO lever). Gearbox covers synchroniser function, main shaft, countershaft, pinion shaft, differential, selector forks, lubrication pump and valve block, with bearing preload and tooth backlash values. Includes power shuttle disassembly and assembly, 4WD clutch adjustment, final drive planetary gear reconditioning, drive shaft bearing clearance and brake disc renewal, plus PTO brake, selector fork and shaft seal renewal.

50 Brake System

Mechanically controlled wet disc brakes running in oil, with 4 friction and 3 intermediate discs per side, master cylinder operation, balancing valve, brake pedal travel adjustment, parking brake cable adjustment and the complete air brake system option – compressor, drier, air tanks, load adjusting valve, hand brake control valve and the three automatic couplings (red, black, yellow) with pressure test values.

60 Front Axle & Steering

Hydrostatic steering system with pressure-limiting valve test (9–10 MPa), steering valve removal and refitting. Powered front axle section covers hub and planetary gear set disassembly/assembly with shim calculation formulas, joint casing, steering knuckle, drive shaft, differential unit, central housing, pinion shaft and crown wheel setting, plus the full HFA100 tool list and 50/250/1000-hour maintenance intervals.

70 Frame & Wheels

Centre frame and fuel tank construction, front weight support, wheel options for 2WD and 4WD, wheel nut torque values (130/300/550 Nm), tyre pressures and permissible loadings, and track width tables for the full tyre range.

80 Cab & Shields

Cab, cab heater, cab filter renewal, air conditioner safety precautions, operating principle, technical data (R134a, 1.2 kg fill, SANDEN SD7H15FZ8062 compressor), refrigerant circulation, drier inspection glasses, compressor torque values and expansion valve operation.

90 Hydraulics

Hydraulic lift service guide, main relief valve operation (190–197 bar), system relief valve, cylinder relief valve and LS relief valve replacement and adjustment, locking valve working principle, distributor change, lift dismantling and re-installation, lift arm and cylinder overhaul, position control and mixed control, auxiliary cylinder, electrical autolift mechanism and drive settings.

100 Tools

Special tool numbers for the Hattat A90 A100 A110 service manual, including ETV-numbered clutch, gearbox, final drive and front axle tools, plus the HFA100 front axle tool list with Hattat part codes.

Why This Hattat A90 A100 A110 Workshop Manual Matters

A tractor is only as reliable as the person maintaining it. Whether you are rebuilding the Perkins engine, chasing a hydraulic lift fault, replacing a PTO brake or setting the crown wheel backlash in the front axle, this Hattat A90 A100 A110 repair manual gives you the same chapter structure and the same torque tables the workshop uses. That means fewer stripped bolts, fewer comebacks and a machine that stays in the field rather than in the yard.

The manual is particularly strong on the areas that go wrong with age: the double dry disc clutch, the 12+12R gearbox synchronisers, the planetary final drives and the hydraulic lift control mechanism. Each section supplies the tightening torque, the shim calculation, the end float range or the pressure value you need to finish the job correctly, so you are not guessing or working from memory.

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Instant PDF Download

Once payment is confirmed you get the complete Hattat A90 A100 A110 service manual PDF straight away. No shipping, no waiting for a disc in the post. Open it on a laptop in the workshop, on a tablet next to the machine, or print the pages you need for the job in front of you. Search the chapter list, jump to the torque value you want, and get on with the repair.