Lant de senila,BERCO KM3807/49,BERCO KM782/49,BERCO LH1075/49,CATERPILLAR 931963,CATERPILLAR 990046,DAEWOO 200103-00096A,DAEWOO 2272-6101,DAEWOO 272-00054,DOOSAN K1011228,DRESSER-FURUKAWA 3380411H91,EURODAEWOO 9272-6018,HITACHI 9202850,HYUNDAI 81EM-27010,HYUNDAI 81N6-26600,ITM E15698B1M00049,ITM E40208C0M00049,JOHN DEERE AT152088,KOMATSU 20Y-32-00023,KOMATSU 20Y-32-00024,KOMATSU 20Y-32-K1511,SAMSUNG-H.I. 1082-02170,SAMSUNG-H.I. 1182-00010,SAMSUNG-H.I. 1182-00011,VOLVO 14530361,VPI VKM782/49HDV,HYUNDAI,Excavator,R210LC-7,UP TO 0055

Perkins engine series 1000 series >> Technical features >> Preventive maintenance >> How to check the valve tip clearances
How to check the valve tip clearances

1000 series » How to check the valve tip clearances

These are checked between the top of the valve stem and the rocker lever (A), with the engine hot or cold. The correct clearance for inlet valves is 0,20 mm (0.008 in) and 0,45 mm (0.018 in) for exhaust valves. The valve positions are shown at (B).

The sequence of valves from number 1 cylinder is shown in the table below.

Note: Number 1 cylinder is at the front of the engine.

Four cylinder engines

  1. Rotate the crankshaft in the normal direction of rotation until the inlet valve (B8) of number 4 cylinder has just opened and the exhaust valve (B7) of the same cylinder has not closed completely. Check the clearances of the valves (B1 and B2) of number 1 cylinder and adjust them, if necessary.
  2. Set the valves (B3 and B4) of number 2 cylinder as indicated above for number 4 cylinder. Then check / adjust the clearances of the valves (B5 and B6) of number 3 cylinder.
  3. Set the valves (B1 and B2) of number 1 cylinder. Then check / adjust the clearances of the valves (B7 and B8) of number 4 cylinder.
  4. Set the valves (B5 and B6) of number 3 cylinder. Then check / adjust the clearances of the valves (B3 and B4) of number 2 cylinder.

Six cylinder engines

  1. Rotate the crankshaft in the normal direction of rotation until the inlet valve (A12) of number 6 cylinder has just opened and the exhaust valve (A11) of the same cylinder has not closed completely. Check the clearances of the valves (A1 and A2) of number 1 cylinder and adjust them, if necessary.
  2. Set the valves (A4 and A3) of number 2 cylinder as indicated above for number 6 cylinder. Then check / adjust the clearances of the valves (A9 and A10) of number 5 cylinder.
  3. Set the valves (A8 and A7) of number 4 cylinder. Then check / adjust the clearances of the valves (A5 and A6) of number 3 cylinder.
  4. Set the valves (A1 and A2) of number 1 cylinder. Then check / adjust the clearances of the valves (A11 and A12) of number 6 cylinder.
  5. Set the valves (A9 and A10) of number 5 cylinder. Then check / adjust the clearances of the valves (A3 and A4) of number 2 cylinder.
  6. Set the valves (A5 and A6) of number 3 cylinder. Then check / adjust the clearances of the valves (A7 and A8) of number 4 cylinder.




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SAMSUNG-H.I. 1182-00011, DAEWOO 2272-6101, KOMATSU 20Y-32-K1511, ITM E15698B1M00049, BERCO LH1075/49, VOLVO 14530361, BERCO KM3807/49, CATERPILLAR 931963, HITACHI 9202850, DOOSAN K1011228, DRESSER-FURUKAWA 3380411H91, Excavator, ITM E40208C0M00049, KOMATSU 20Y-32-00024, HYUNDAI, BERCO KM782/49, DAEWOO 272-00054, KOMATSU 20Y-32-00023, UP TO 0055, JOHN DEERE AT152088, Lant de senila, R210LC-7, SAMSUNG-H.I. 1082-02170, CATERPILLAR 990046, EURODAEWOO 9272-6018, HYUNDAI 81EM-27010, SAMSUNG-H.I. 1182-00010, DAEWOO 200103-00096A, VPI VKM782/49HDV, HYUNDAI 81N6-26600
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DRESSER-FURUKAWA 3380411H91, CATERPILLAR 931963, BERCO LH1075/49, KOMATSU 20Y-32-00023, Excavator, ITM E40208C0M00049, SAMSUNG-H.I. 1182-00011, SAMSUNG-H.I. 1182-00010, VOLVO 14530361, Lant de senila, UP TO 0055, KOMATSU 20Y-32-00024, DAEWOO 200103-00096A, KOMATSU 20Y-32-K1511, HITACHI 9202850, DOOSAN K1011228, DAEWOO 2272-6101, CATERPILLAR 990046, VPI VKM782/49HDV, HYUNDAI 81EM-27010, DAEWOO 272-00054, JOHN DEERE AT152088, BERCO KM3807/49, R210LC-7, HYUNDAI 81N6-26600, ITM E15698B1M00049, HYUNDAI, SAMSUNG-H.I. 1082-02170, EURODAEWOO 9272-6018, BERCO KM782/49

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KOMATSU 20Y-32-00023, HITACHI 9202850, R210LC-7, CATERPILLAR 990046, VOLVO 14530361, HYUNDAI 81N6-26600, HYUNDAI 81EM-27010, KOMATSU 20Y-32-K1511, ITM E40208C0M00049, HYUNDAI, CATERPILLAR 931963, SAMSUNG-H.I. 1182-00011, Lant de senila, DAEWOO 272-00054, KOMATSU 20Y-32-00024, SAMSUNG-H.I. 1182-00010, BERCO KM3807/49, DAEWOO 2272-6101, EURODAEWOO 9272-6018, ITM E15698B1M00049, BERCO KM782/49, SAMSUNG-H.I. 1082-02170, UP TO 0055, BERCO LH1075/49, VPI VKM782/49HDV, DRESSER-FURUKAWA 3380411H91, DAEWOO 200103-00096A, JOHN DEERE AT152088, DOOSAN K1011228, Excavator
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