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 15 - Engine

 09 - Bedplate

 00 - General

15 - 68

9813/7450-2

15 - 68

Remove and Install

Special Tools

Description

Part No.

Qty.

Template for Sealant

Bedplate to Crankcase

(4 Cyl)

892/12356

1

Torque Wrench

(10-100Nm)

993/70111

1

Consumables

Description

Part No.

Size

Cleaner/Degreaser

- General purpose

solvent based parts

cleaner

4104/1557

0.4L

CAUTION

 This component is heavy. It must only

be  removed  or  handled  using  a  suitable  lifting

method and device.

Before Removal

1. This  procedure  requires  service  parts.  Make

sure you have obtained the correct service parts

before you start, refer to Parts Catalogue.

2. Make sure that the engine is safe to work on. If

the engine has been running, let it cool before

you start the service work.

3. Remove the engine, refer to (PIL 15-00).
4. Remove the drive belt, refer to (PIL 15-18).
5. Remove  the  crankshaft  pulley,  refer  to  (PIL

15-12).

6. Remove the oil sump, refer to (PIL 15-45).
7. Disconnect and remove the fuel pipes from the

injectors, refer to (PIL 18-96).

8. Remove the rocker cover, refer to (PIL 15-42).
9. Remove the fuel injectors, refer to (PIL 18-18).

10. Remove the rocker assembly including the push

rods, refer to (PIL 15-42).

11. It is not necessary to remove the cylinder head

assembly to remove the crankshaft. If however

the cylinder head needs to be removed for other

reasons (for piston and connecting rod removal

for example) remove it now, refer to (PIL 15-06).

12. Remove  the  fuel  injection  pump,  refer  to  (PIL

18-18).

13. Remove the starter motor, refer to (PIL 15-75).
14. Remove  the  high  duty  PTO  (Power  Take-Off)

device (if installed).

15. Position the engine upside down in a suitable jig

or fixture, supported at the front of the cylinder

block.

16. Remove the flywheel, refer to (PIL 15-54).
17. Remove  the  flywheel  housing,  refer  to  (PIL

15-54).

18. Remove the fuel injection pump drive gear, refer

to (PIL 15-51).

19. Remove the oil pump, refer to (PIL 15-60).
20. Remove  the  high  duty  PTO  idler  drive  gear  (if

installed), refer to (PIL 15-51).

21. Remove the crankshaft drive gear, refer to (PIL

15-51).

22. Remove the camshaft, refer to (PIL 15-15).
23. Remove  the  rear  timing  case,  refer  to  (PIL

15-51).

24. If the pistons and connecting rods have not been

removed,  undo  and  remove  the  main  bearing

caps, refer to (PIL 15-12).

Summary of Contents for 225T

Page 1: ...ut first studying the Operator s Manual You must understand and follow the instructions in the Operator s Manual If you do not understand anything ask your employer or JCB dealer to explain it Do not...

Page 2: ...00 General Introduction 15 67 Remove and Install 15 68 Introduction The bedplate acts as the main strength component of the engine it maintains the correct alignment and supports the weight of the in...

Page 3: ...refer to PIL 15 42 9 Remove the fuel injectors refer to PIL 18 18 10 Remove the rocker assembly including the push rods refer to PIL 15 42 11 It is not necessary to remove the cylinder head assembly t...

Page 4: ...7450 2 15 69 Figure 146 5 1 18 18 18 18 18 9 11 4 8 12 X 13 18 3 7 6 2 10 P3 1 10 Main bearing bolts x10 11 Bedplate peripheral bolts x16 12 Bedplate 13 Crankcase 18 Upper bearing shell x5 P3 O ring i...

Page 5: ...ble lifting equipment if the bedplate is lifted manually two people will be required DO NOT use a lever to separate the bedplate 4 Remove and discard the O ring 5 Carefully remove the upper bearing sh...

Page 6: ...71 9813 7450 2 15 71 T4 Guide pins x2 obtain locally T5 Sealant template T6 Lifting bolts x4 obtain locally V Sealant template portion for removal W Bearing tab X Rear main bearing Y Bearing location...

Page 7: ...e A by removing portion V Special Tool Template for Sealant Bedplate to Crankcase 4 Cyl Qty 1 8 Locate the holes in the templates A and B using four fixing bolts at positions Y Use the templates as a...

Page 8: ...8mm Main rear bearing journal diameter x1 min 99 98mm max 100mm Connecting rod bearing journal diameter min 72 98mm max 73mm Maximum wear and ovality on journals 1 Crankshaft induction hardness 55 HRc...

Page 9: ...15 Engine 12 Crankshaft 00 General 15 77 9813 7450 2 15 77 Component Identification Figure 148 B A A Crankcase B Crankshaft...

Page 10: ...pper main bearing shell allows oil transfer to cross drillings in the crankshaft to feed each of the big end bearings Crankshaft gear is splash lubricated Front and rear crankshaft oil seals prevent o...

Page 11: ...ce limits refer to Technical Data PIL 15 12 Figure 151 B B Crankshaft 3 Check that the oil way cross drillings in the crankshaft are clear and free from debris Blocked or restricted oil ways will caus...

Page 12: ...r to PIL 15 42 11 It is not necessary to remove the cylinder head assembly to remove the crankshaft If however the cylinder head needs to be removed for other reasons for piston and connecting rod rem...

Page 13: ...c for damage and excessive wear Refer to Check Condition PIL 15 12 Before Installation 1 Clean off all traces of the old sealant compound from the crankcase and bedplate mating faces 2 Use a suitable...

Page 14: ...e surface of the upper bearing shells are clean Consumable Cleaner Degreaser General purpose solvent based parts cleaner 4 2 Assemble the bearing shells into the crankcase bearing saddles Make sure th...

Page 15: ...Our support email ebooklibonline outlook com...

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