ar0530w3512a

Replace valve stem seals with cylinder head installed

ประเภท ar · หัวข้อ 05.30 · เวอร์ชัน 0302 · 2019-12-05

ใช้กับ: Engine 541.9 in model 950, 952, 953, 954 Engine 542.9 in model 950, 952, 954

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ตำแหน่ง

กลุ่มฟังก์ชัน 1 Engine › 05 Engine timing › 05.30 Valves — ซีรีส์ 950 · ซีรีส์ 952 · ซีรีส์ 953 · ซีรีส์ 954

EinPAS 15 Engine › 15.17 Engine timing › 15.17.30 Valve train — ซีรีส์ 950 · ซีรีส์ 952 · ซีรีส์ 953 · ซีรีส์ 954

ใช้กับเครื่องยนต์/เกียร์ด้วย: 541 9**, 542 9**

AR05.30-W-3512A

Replace valve stem seals with cylinder head installed

04.12.2019

Engine

541.9 in model 950, 952, 953, 954

Engine

542.9 in model 950, 952, 954

Modification notes

17.07.2008

Value changed: Test tolerance for valve clearance

BE05.30-N-1008-01C

Replace valve stem seals with cylinder head installed

1

Rocker arm assembly

2

Screw

3

Valve bridge

4

Retaining clip

5

Screw

6

Valve lock

7

Valve spring retainer

8

Valve spring

9

Valve stem seal

10

Valve guide

L

Shank length

W05.30-1041-06

Remove

1

Remove all cylinder head covers

AR01.20-W-5014B

2

Remove soundproofing from frame on the upper left and right

3

Remove TDC inspection hole cap from the timing case

4

Attach turning device to timing case

Screw/bolt, engine cranking device to timing case

*BA01.60-N-1009-01B

Turning device

*904589046300

5

Remove retaining clip (4)

6

Turn engine with the turning device until the piston of the selected cylinder is precisely in ignition TDC

Firing order

AH01.00-N-0100-01B

Observe firing order.

7

Remove rocker arm assembly (1)

8

Remove valve bridges (3)

9

Remove valve springs (8) and valve stem seals (9)

AR05.30-W-3510-02GA

Pliers

*606589003700

Magnetic pin

*210589004000

Valve tool case

*541589006100

Install

10

Install new valve stem seals (9) and install valve springs (8)

AR05.30-W-3510-02GA

As of engine end no. 513886

BT05.30-W-0001-02G

Install only changed valve stem seals (9).

Sleeve

*346589016100

Valve tool case

*541589006100

11

Measure shank length (L) of screw (5)

If the shank length (L) was exceeded, replace screw (5).

Screw/bolt, tensioning arm of nozzle holder combination/constant throttle to cylinder head

*BE07.03-N-1002-01B

12

Install retaining clip (4)

Bolt, tensioning arm of injection nozzle and constant throttle to cylinder head

*BA07.15-N-1003-01B

13

Put on valve bridges (3)

Check valve bridges (3) for wear or damage; replace if necessary.

14

Measure shank length (L) of bolts (2)

If the shank length (L) was exceeded, replace corresponding screw (2).

Bolt, rocker arm bearing bracket to cylinder head

*BE05.30-N-1002-04C

15

Check rocker arm assembly (1) for wear

If necessary, replace worn component parts.

16

Install rocker arm assembly (1)

Check that the pushrods are seated correctly in the roller tappet. Oil roller tappet pans with engine oil.

Bolt, rocker arm bearing bracket to cylinder head

*BA05.00-N-1003-01B

17

Set valve clearance

AP05.30-W-0560-01A

Valve clearance

*BE05.30-N-1007-01C

Test tolerance for valve clearance

*BE05.30-N-1008-01C

Jam nut on rocker arm adjustment screw

*BA05.00-N-1001-01B

Tool kit

*000589109900

18

Install new valve stem seals (9) on the remaining cylinder heads

Firing order

AH01.00-N-0100-01B

Repeat operation steps 5 to 17; while doing so, observe the firing order.

19

Install cylinder head covers

AR01.20-W-5014B

Only tilt back cab after the leak test.

20

Install noise encapsulation on the top right and left frame

21

Remove cranking device on timing case

22

Attach TDC inspection hole cap to the timing case

Screw/bolt, cap of TDC inspection hole to timing case

*BA01.60-N-1001-01B

23

Check engine oil level, correct if necessary

Notes on engine oil

AH18.00-N-0101-01HA

Observe engine oil grade set in maintenance system or Specifications for Operating Fluids.

Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

24

Start engine and allow to run in idle for 10 s until the oil pressure has built up, then run the engine at varying speeds

25

Switch off engine and check for leaktightness

Visual inspection.

Check values for valve timing

Number

Designation

ENGINE 541.9, 542.9

BE05.30-N-1002-04C

Bolt, rocker arm bearing bracket to cylinder head

Thread diameter

M

10

Permissible shank length

mm

91

Check values for valves

Number

Designation

ENGINE 541.9, 542.9

BE05.30-N-1007-01C

Valve clearance

Inlet

mm

0,40

Outlet

mm

0,60

Check values for valves

Number

Designation

ENGINE 541.9, 542.9

BE05.30-N-1008-01C

Test tolerance for valve clearance

mm

0,05

Check and adjustment values of injection nozzles

Number

Designation

Engine 541.9, 542.9

BE07.03-N-1002-01B

Screw/bolt, tensioning arm of nozzle holder combination/constant throttle to cylinder head

Permissible shank length

mm

91

Timing case

Number

Designation

Engine 541.9, 542.9

BA01.60-N-1001-01B

Screw/bolt, cap of TDC inspection hole to timing case

Nm

25

Timing case

Number

Designation

Engine 541.9, 542.9

BA01.60-N-1009-01B

Screw/bolt, engine cranking device to timing case

Nm

25

Engine timing - general

Number

Designation

ENGINE 541.9, ENGINE 542.9

BA05.00-N-1001-01B

Jam nut on rocker arm adjustment screw

Nm

50

Engine timing - general

Number

Designation

ENGINE 541.9, ENGINE 542.9

BA05.00-N-1003-01B

Bolt, rocker arm bearing bracket to cylinder head

Stage 1

Nm

60

Stage 2

°

90

Diesel injection system with unit pumps (MR/PLD)

Number

Designation

Engine 541.9, 542.9

BA07.15-N-1003-01B

Bolt, tensioning arm of injection nozzle and constant throttle to cylinder head

Nm

50

Replace valve stem seals with cylinder head installed
Replace valve stem seals with cylinder head installed
Replace valve stem seals with cylinder head installed
Replace valve stem seals with cylinder head installed

346 589 01 61 00

Sleeve

904 589 04 63 00

Turning device

000 589 10 99 00

Tool kit

541 589 00 61 00

Valve tool case

Replace valve stem seals with cylinder head installed
Replace valve stem seals with cylinder head installed

210 589 00 40 00

Magnetic pin

606 589 00 37 00

Pliers

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