JCB 100 C-1, 85 Z-1, 86 C-1, 90 Z-1 Excavator Service Manual (9813/2700)

JCB 100C-1, 85Z-1, 86C-1, 90Z-1 Excavator Service Manual (9813/2700 - Issue 2 - 2016-09-28)

This service manual is a complete diagnostic and repair resource for the JCB 100C-1, 85Z-1, 86C-1, and 90Z-1 compact excavators. It provides step-by-step procedures, system schematics, torque specs, sensor diagnostics, and service points for all critical mechanical and electronic systems.

Model Covers:

JCB 100C-1, 85Z-1, 86C-1, 90Z-1 Excavators

File Format: PDF

Size: 311.98 MB

No. of pages: 1420

Language: English

Delivery Method: Instant Download - Access your file immediately after purchase.

📑 Key Technical Sections:

Safety and General Machine Overview

Operator and worksite safety, risk assessment, maintenance positions, model identification, and label locations.

Attachments and Load Handling

Quickhitch systems, hydraulic couplers, buckets, teeth, and rockbreaker service instructions.

Body and Framework

Engine and hydraulic compartments, moveable panels, tipping linkages, boom, dipper, dozer blade, slew ring, kingpost, counterweight, fire extinguisher and structural integrity checks.

Operator Station

ROPS, operator seat and belt, windows, doors, dashboard, throttle controls, excavator arm and track controls, auxiliary hydraulic interface, safety label placements.

HVAC System

Evaporator, heater unit, compressor, condenser, expansion valve, receiver drier, filters, heater valve, HVAC hosing and control logic.

Engine Systems

Full teardown procedures: crankcase, head, rocker arms, pistons, valves, timing gear, oil sump, flywheel, alternator, starter motor, belt systems, and engine-mounted sensors.

Fuel and Exhaust

Fuel tank, lift/refuel pump, water separator, high-pressure injection, common rail system, EGR valve and cooler, turbocharger, wastegate, catalyst, exhaust manifolds.

Cooling System

Expansion tank, coolant pump, thermostat, fan, radiator, and hose routing.

Driveline

Steel and rubber track systems, gearboxes, sprockets, rollers, idler wheels, tensioners, and drive motors.

Hydraulic System

Hydraulic tank, suction strainer, filtration, pumps, control valves, rams (boom, dipper, dozer, swing), accumulator, rotary coupling, auxiliary circuits, MRV/ARV valves, schematic diagrams.

Electrical System

Wiring schematics, battery, power distribution, fuses, relays, ECUs, sensors, alarms, control modules, instrument cluster, LiveLink, Servicemaster diagnostics, throttle auto-idle, lights, beacons.

Fasteners and Fixings

Screw, bolt, and threaded insert specifications used across structural and mechanical systems.

Consumables

JCB-approved oils, greases, antifreeze, sealants, adhesives, locking compounds, solvents, and fuels.

After Sales and Maintenance

Service intervals, pre-start checks, fluid top-ups, functional tests, required PPE, special tools, and measurement units.

This manual is intended for skilled technicians and maintenance personnel servicing the JCB 85Z-1 to 100C-1 compact excavator range.