JCB SisuDiesel 320, 420, 8366 Engine Service Manual
116 pages · Publication 8366-40634
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- Models
- SisuDiesel 320, 420, 8366
- Manual type
- Service Manual
- Pages
- 116
- Publication
- 8366-40634
- Condition
- Brand new

What's inside
From the manual's own table of contents: 134 topics. See sample pages (PDF, 432 KB)
- TO THE USER
- ENGINE TYPE DESIGNATIONS
- SAFETY INSTRUCTIONS
- ENGINE SPECIFICATION
- LIFTING THE ENGINE
- LOCATION OF THE ENGINE SERIAL NO
- SPECIAL TOOLS
- TECHNICAL DATA
- Cylinder block
- Cylinder liner
- Cylinder head
- Valves, rocker arms and tappets
- Camshaft
- Crankshaft
- Flywheel
- Balancing unit
- Timing gears
- Connecting rod
- Piston, piston rings and pin
- Lubricating system
- Coolant pump (320, 420 separate ball bearings)
- Thermostat
- Turbocharger
- TIGHTENING TORQUES
Show all 134 topics
- CONSTRUCTION
- General
- Flywheel housing
- Valve mechanism
- Crank mechanism
- Cooling system
- Inlet and exhaust system
- Electronic Engine Management system (EEM)
- A. Measuring cylinder liner wear
- B. Removing cylinder liner
- C. Checking cylinder block
- D. Changing camshaft bushing
- E. Oversize bushings for camshaft
- F. Fitting plug at camshaft rear end
- G. Fitting pipe for oil dipstick
- H. Fitting cylinder liner
- A. Fitting flywheel housing
- B. Changing crankshaft rear oil seal
- A. Removing cylinder head
- B. Removing valves
- C. Checking cylinder head
- D. Changing valve guides
- E. Machining valve seat
- F. Changing valve seat ring
- G. Grinding valves
- H. Fitting valves
- I. Fitting cylinder head
- A. Reconditioning valve mechanism
- B. Changing camshaft/camshaft gear
- C. Adjusting valves
- A. Removing crankshaft
- B. Checking crankshaft
- C. Changing crankshaft gears
- D. Changing crankshaft gear rim (420)
- E. Fitting crankshaft
- F. Crankshaft hub piece
- G. Changing crankshaft pulley/vibration damper
- H. Checking element of the rubber damper
- I. Viscose type vibration damper
- A. Removing pistons together with connecting rods
- B. Changing connecting rod bearings
- C. Checking connecting rod
- D. Changing piston rings
- E. Checking pistons
- F. Fitting piston pin
- G. Fitting piston together with connecting rod
- A. Removing and disassembling counterbalance unit
- B. Reconditioning counterbalance unit
- C. Fitting counterbalance unit
- A. Changing starter ring gear on flywheel
- B. Fitting flywheel
- A. Removing timing gear casing
- B. Reconditioning idler gear
- C. Fitting timing gear casing
- D. Idler gear with bevelled ball bearings
- E. Power take---off
- A. Reconditioning of oil relief valve for lubricatin oil pressure
- B. Removing and dismantling lubricating oil pump
- C. Assembling and fitting lubricating oil pump
- D. Fitting oil sump gasket
- E. Lubricating oil cooler
- F. Piston cooling nozzles (620, 634)
- G. Lubrication oil quality requirements
- A. Thermostat
- B. Reconditioning coolant pump (320, 420)
- C. Reconditioning coolant pump (320, 420, 620, 634 separate ball bearings)
- D. Coolant pumps with heavy---duty bearings (620, 634)
- E. Quality requirements of coolant
- A. Checking air cleaner
- B. Checking inlet and exhaust pipes
- C. Checking turbocharger
- D. Fitting turbocharger
- A. Bleeding fuel system
- B. Bleeding Thermostart system
- C. Measuring fuel feed pressure
- D. Checking overflow valve
- E. Changing fuel feed pump valves
- F. Checking injection timing
- G. Adjusting fuel injection timing
- H. Removing fuel injection pump
- I. Fitting fuel injection pump
- J. Checking and changing pressure valve
- K. Adjusting idling speed
- L. Removing injectors
- M. Inspecting injectors
- N. Reconditioning injectors
- O. Fitting injector in engine
- P. Fitting delivery pipes
- A. Dismounting and mounting injection pump
- B. Injection pump gear
- C. Bleeding fuel system
- D. Feed pump
- E. Injector
- A. Removing pump
- B. Fitting injection pump and adjusting injection timing
- D. Fuel feed pump
- E. Injectors
- F. Adjusting low idling speed
- G. Bleeding Thermostart system
- H. Wiring diagram of electrical advance (CCA)
- I. Checking injection timing (dynamic)
- Fuel quality requirement
- A. Alternators
- B. Starters
- C. Electric stop device
- D. Installation of magnetic pick up
- E. Temperature sensor
- A. Compressor (Bendix)
- B. Compressor (Knorr)
- C. Industrial clutch (A.P. Borg & Beck)
Inside this manual
Real pages from this service manual (116 pages). Open the sample pages (PDF, 431 KB)
- Specifications, page 45: Torx E18
- Troubleshooting, page 92: Trouble shooting
- Color page, page 86: Fuel System
- Color page, page 25: Construction
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 116 pages
Quantity one is the manual described above.
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Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).