Disassemble compressor, install

AR13.30-T-5511B

Disassemble compressor, install

4.5.00



Disassembling



Notes on self-locking nuts and bolts

All models

AH00.00-N-0001-01A

1

Remove compressor

AR13.30-T-5510B

2

Unscrew cylinder head bolts (2) and take off cylinder head (3)

 If cylinder head is tight, detach with plastic-headed hammer.

3

Take off cylinder head gasket (12)

 Replace gasket (12).

4

Disassemble cylinder head (3)

AR13.30-T-5511-04B

5

Remove circlip (19) from piston pin (21)

 Replace circlips (19).

6

Push out piston pin (20) from opposite side and take off piston (21)

7

Remove piston rings (16, 17, 18)

AR13.30-T-5511-01B

8

Unscrew conrod bolts (23) and take off conrod bearing cap

9

Remove conrod (24)

10

Remove bearing flange (25)

 Replace O-ring (27).

AR13.30-T-5511-07B

11

Knock bearing bush (26) out of bearing flange (25)



*363589031500

12

Remove crankshaft (28) of compressor

AR13.30-T-5511-02B

13

Unbolt bearing cap (29) at timing case

14

Pull roller bearing (31) out of timing case



*000589283300



*000589343300



Inspecting

15

Clean all parts and inspect for wear, replace if necessary.



Assembling

16

Knock bearing bush (26) into bearing flange (25)

 The oil drilling of the bearing bush must be aligned with the oil drilling in the bearing flange.



*363589031500

17

Knock roller bearing (31) into timing case



*198589033900

18

Fit bearing cap (29) onto timing case



*BA13.30-N-1015-01E

19

Install crankshaft (28)

AR13.30-T-5511-03B

20

Install bearing flange (25)

 Replace O-ring (27).

AR13.30-T-5511-07B

21

Insert bearing shells into conrod (24) and conrod bearing cap

 Pay attention to installation position of bearing shells. The oil drilling of the bearing bush must be aligned with the oil drilling in the base of the conrod.

22

Place conrod bearing cap and conrod (24) onto bearing journal of crankshaft (28)

 Oil crankshaft journal prior to installing.

23

Screw in conrod bolts (23) by hand and then tighten fully



*BA13.30-N-1007-01E

24

Install piston rings (16, 17, 18)

AR13.30-T-5511-01B

25

Fit piston (21) onto conrod (24) and press in piston pin (20)

 Oil piston pin before installing. Pistons and cylinders must always be replaced as a set. Both must belong to the same dimensional group.

26

Insert circlips (19) into piston (21)

 Ensure the circlips are correctly located in the grooves.

27

Use piston ring tensioning pliers to compress pistonrings (16, 17, 18)

 Start by applying oil to piston contact surfaces within the liner.

 Offset piston ring joints by 120°.



*000589206100

28

Push cylinder 813) over piston (21) until piston rings are covered over, then remove piston ring tensioning pliers

 Cylidner liner must be replaced only together with the piston. Both must belong to the same dimensional group. Coat cylinder liner at the seat with sealant before installing.

*BR00.45-Z-1029-01A

29

Fit cylinder (13) onto the timing case, screw in bolts (14) together with spring lock washers (15) and screw tight

 Tighten bolts diagonally across.



*BA13.30-N-1013-01E

30

Assemble cylinder head (3)

AR13.30-T-5511-04B

31

Fit on cylinder head gasket (12)

 Use new cylinder head gasket. Pay attention to installation position of cylinder head gasket.

32

Fit cylinder head (3) onto cylinder (13), screw in cylinder head bolts (2) and tighten fully

 Pay attention to installation position of dowel pins. Tighten cylinder head bolts diagonally across. After engine has reached normal operating temperature, loosen bolts and then retorque.



*BA13.30-N-1003-01E

Number

Designation

Engine
402.970,
441.980,
446.938

BA13.30-N-1003-01E

Bolt of cylinder head to cylinder

Nm

30

BA13.30-N-1007-01E

Bolt of conrod bearing cap to conrod

Nm

30

BA13.30-N-1013-01E

Bolt of cylinder to timing case

M8

Nm

30

BA13.30-N-1015-01E

Bolt of inner bearing cap to timing case

Nm

25

Number

Designation

Order number

BR00.45-Z-1029-01A

Curil T sealant

-