Removal and Installation

PRELIMINARY PROCEDURE

Remove Vacuum Pump.





SPECIAL TOOLS









REMOVAL AND INSTALLATION

1 Remove cylinder head cover.





2 Turn engine to 15° ATDC of no.1 cylinder.





3 Fix camshaft gear and timing device in place with cable strap.





4 Remove chain tensioner (156) to relieve the load on the timing chain.





5 Remove bolt for camshaft gear on camshaft; hold crankshaft in place when performing this step. Remove camshaft timing gear. Installation torque 45 Nm.





6 Remove central fastening bolt (19); hold crankshaft in place when performing this step.

Caution! Left-hand thread

7 Withdraw locking pin (arrow) and remove mounting basket using Impact Extractor, special tool 116 589 20 33 00, and an M6 Threaded Pin, special tool 116 589 01 34 00.





8 Press timing chain out of the way with metal strips and use universal pliers to withdraw timing device.

Shop-made metal strips
Thickness approx. 0.5 mm
Length approx. 140 mm
Width approx. 070 mm





9 Unscrew plug (11).





10 Use serrated wrench (027), special tool 601 589 00 OS 0O, to turn injection pump on injection pump camshaft until the lug of the governor is visible in the hole. In this position, push in locking bolt (023), special tool 601 589 O5 21 O0, until it is felt to engage and tighten union nut by hand.

11 Install timing device. Tighten central fastening bolt to 40-50 Nm.

Caution! Left-hand thread





12 Remove locking bolt (023) otherwise the injection pump will be damaged when engine is started.

13 Assemble engine.

14 Test start of delivery with digital tester, set if necessary.