Volvo D12 Especificações descarregar pdf (Página 18)

Volvo Trucks North America, Inc. Date Group No. Page

TSI 9.2003 211 007 18(41)

Remove each injector from the protector and install new

O-rings. Coat the sealing rings with clean engine oil.

Note: Remove the bore protector and clean the bore

before installing the injector into the bore (9998251)

9998251

W2000718

Fig. 20: Unit injector retaining bolt

Install the unit injectors and center them between the

valve springs. Torque-tighten unit injector hold down bolt

as follows:

•

If using new copper sleeve:

1 Tighten to 20 ± 5 Nm (15 ± 4 ft-lb).

2 Turn bolt 180 ± 5

3 Loosen to “0” Nm

4 Tighten 20 ± 5 Nm (15 ± 4 ft-lb).

5 Turn bolt 60 ± 5

•

If using old copper sleeve:

1 Tighten to 20 ± 5 Nm (15 ± 4 ft-lb).

2 Turn bolt 60 ± 5

W2000690

Fig. 21: Unit injector cable connections

Connect the unit injector electrical wires and torque the

nut to 1 ft-lb (1.36 Nm).

CAUTION

DO NOT OVERTIGHTEN. Hold wires while tightening.

If the screws break, the unit injector must be replaced.

Note: Using torque wrench 9999708, torque-tighten the

nut to 1.4 Nm (12 in-lb). Route the unit injector electrical

wires to the outside of the valve cover bolts.

1 ft-lb (1.36 Nm)

1.4 Nm (12 in-lb)

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Volvo D12 Especificações Página 18