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All 305 pages of this official JCB 8018 Service Manual PDF (OEM #9803/3105 Issue 3) are laser-focused on tearing down and rebuilding your 1994-2005 801 series mini excavator, including the 8013, 8014, 8015, 8016, 8017, 801 Gravemaster, and 801.4. You get complete harness routing data, detailed hydraulic circuit descriptions for both cable and servo machines, and a massive section of step-by-step pump procedures. Open up the engine chapter to find full fuel injection timing steps and exploded views for every major component breakdown. Keep your fan belt slack tight at exactly 5mm and fill the track gearbox with 0.3 liters of oil before rolling out. Quit relying on guesswork to fix your undercarriage. Download this bookmarked file straight to your tablet, tap the section you need, and get your machine digging again.
What's Inside This JCB 8013–8018 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 5-56 | Identification, Preparation for Storage, Preparation After Storage, Tops and Fogs |
| Care & Safety | 57-64 | Safety Notices, General Safety, Operating Safety, Maintenance Safety |
| Routine Maintenance | 65-90 | Lubricants and Capacities, Engine Lubrication Chart, Lubricants - Health and Safety, Service Schedule, Greasing |
| Attachments | 91-115 | Available Attachments, Buckets (Selection, Removal, Replacement, Bucket Tooth Wear, Replacing Bucket Teeth), Quickhitch (Removal and Replacement, Dismantling and Assembly) |
| Body & Framework | 116-133 | Technical Data (Front Attachment), Bucket Ram Pivot and Linkage (Dismantling and Assembly), Dipper (Removal and Replacement), Boom (Removal and Replacement) |
| Electrics | 134-175 | Technical Data, Battery, Alternator (Removal & Replacement, Dismantling, Inspection & Testing, Assembly), Voltage Regulator Operation, Charging System Testing |
| Controls | 176-189 | Technical Data, Control Cables (Removal, Replacement, Excavator Control Cables, Auxiliary Control Cable), Swing Pedal Linkkage (Operation, Removal, Replacement) |
| Hydraulics | 190-247 | Technical Data, Hydraulic Circuit Descriptions (Cable Machines, Servo Machines), Hydraulic Pump (Description, Dismantling & Assembly) |
| Gearboxes | 248-255 | Technical Data, Track Gearbox (Dismantling & Assembly), Slew Gearbox (Operation, Removal & Replacement, Dismantling, Assembly) |
| Track & Running Gear | 256-269 | Technical Data, Tracks (Clean, Inspect, Removal & Replacement, Steel Track, Rubber Track, Track Tensioning), Track Rollers - Dismantling & Assembly |
| Engine | 270-305 | Technical Data, Oil Pressure Relief Valve - Removing & Fitting, Oil Sump, Suction Pipe & Strainer (Removing & Fitting), Fuel Lift Pump - Removing, Inspecting & Fitting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Fuel filter element replacement interval | Every 500 Operating Hours (Or 6 Months) | p. 69 |
| Suction filter bolts torque (Zinc Plated) | 10 - 12 Nm (1.0 - 1.2 kgf m, 7 - 9 lbf ft) | p. 77 |
| Fan belt slack | 5mm (0.2in) | p. 85 |
| Cooling fan bolts torque (Zinc Plated) | 10 - 12 Nm (1.0 - 1.2 kgf m, 7 - 9 lbf ft) | p. 77 |
| Track gearbox oil capacity (Single/Two Speed, each) | 0.3 Litres (0.07 UK Gal, 0.084 US Gal) | p. 66 |
| Track gearbox oil fluid type | JCB SAE 30 Engine Oil (NOT Multigrade) | p. 66 |
| Battery voltage (Type N70) | 12V | p. 135 |
| Battery capacity (Type N70) | 70 ampere/hour | p. 135 |
| Engine coolant capacity (Canopy) | 4.5 Litres (1.0 UK Gal, 1.2 US Gal) | p. 66 |
| Engine coolant capacity (Cab) | 5.0 Litres (1.1 UK Gal, 1.32 US Gal) | p. 66 |
| 8014/8015 | ||
| Hydraulic system capacity | 29 Litres (7.39 UK Gal, 7.7 US Gal) | p. 66 |
| 8016/8017/8018 | ||
| Hydraulic system capacity | 31 Litres (6.8 UK Gal, 8.2 US Gal) | p. 66 |
JCB 8013–8018 Series Common Problems This Manual Covers
JCB 8013 mini excavator engine cranks but will not start after winter storage or routine service. p. 135
Bleed the fuel system to remove trapped air. Check the battery voltage to ensure it reads 12V as shown on page 135. If the engine still fails to start, verify the fuel tank contains enough diesel to meet the 19 Litres (4.17 UK Gal) capacity.
Manual Section: EngineBoom and bucket attachments respond slowly or stop moving completely during normal digging operations. p. 7
Inspect the hydraulic tank fluid level on page 7 and ensure it reaches the maximum on the sight gauge. Test the main relief valve pressure for the swing, slew, dozer, and auxiliary circuits. Adjust the valves to maintain exactly 140 bar to restore full attachment speed.
Manual Section: HydraulicsAbnormal squealing noise from the cooling fan drive area during heavy engine load. p. 85
Test the fan belt tension by pushing midway between the pulleys. Adjust the alternator position until you achieve exactly 5mm (0.2in) of fan belt slack as specified on page 85. Torque the cooling fan pulley and fan bolts to 9-13 Nm (6.5-9.5 lbf ft) on page 292.
Manual Section: Routine MaintenanceMachine pulls to one side and rubber tracks derail frequently during tight turns. p. 261
Measure the rubber track tension by lifting the track off the ground. Adjust the grease cylinder to achieve exactly 55mm of track tension as shown on page 261. Torque the track roller assembly screws to 78-90 Nm (57-67 lbf ft) on page 264 to prevent derailment.
Manual Section: Track & Running GearFrequently Asked Questions
What are the torque specs for JCB 801 Gravemaster track idler and undercarriage bolts?
For track roller and idler/yoke bolts, the torque settings are 77.5 - 90.2 Nm (57.1 - 66.5 lbf ft) for Zinc Plated Fasteners and 63.5 - 74 Nm (46.8 - 54.5 lbf ft) for Dacromet Fasteners. Additionally, for idler wheel assembly to the yoke, the bolts should be tightened to 98 Nm (72 lbf ft).
What are the torque settings for JCB 8013/8014 boom, dipper, and slew bolts?
For slew ring bolts, the torque settings are 77.5 - 90.2 Nm (57.1 - 66.5 lbf ft) for Zinc Plated Fasteners and 63.5 - 74 Nm (46.8 - 54.5 lbf ft) for Dacromet Fasteners. Swing pivot pin bolts require 250 Nm (185 lbf ft) for Zinc Plated Fasteners and 205 Nm (151.6 lbf ft) for Dacromet Fasteners. The kingpost retaining bolt should be torqued to 98 Nm (72 lbf ft).
What are the replacement specifications for fuel filter?
The fuel filter element should be changed every 500 operating hours or every 6 months, whichever occurs first. The manual provides a procedure for renewing the fuel filter but does not specify a part number or detailed technical specifications for the filter element itself.
How do you fix JCB 8013 mini excavator engine cranks but will not start after winter storage or routine service?
Bleed the fuel system to remove trapped air. Check the battery voltage to ensure it reads 12V as shown on page 135. If the engine still fails to start, verify the fuel tank contains enough diesel to meet the 19 Litres (4.17 UK Gal) capacity.
How will I receive this Service Manual?
Instant PDF download. You get the full 305-page searchable Service Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Are there any print restrictions on this manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
Does this JCB 8013 & variants manual include hydraulic schematics?
Yes, complete hydraulic schematics with flow diagrams, valve configurations, and pressure specifications are included.
Document Quality
This document is a scanned PDF with an OCR layer, allowing you to search and copy the full text. Text quality is generally crisp and readable throughout. Diagrams and illustrations are primarily raster images; while labels are mostly clear, some show pixelation when zoomed in. Pages are largely clean, though minor scan artifacts and slight skewing are present on some pages. You will also find several blank pages that act as section dividers or fillers.
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