5
ЯМЗ engine assembly
5.1 Lifters and camshaft installation
5.1.1 Bearing journal of the camshaft should be single, nominal or categoric repair dimensions
with the camshaft bushings installed in the cylinder block.
5.1.2 Push rod bushings, push rods, bushings should be lubricated with the oil which is applied
in the lubrication system of the engine.
5.1.3 Pusher bars should be installed at the push rods so that bases were located in front of the
holes in the block of the push rods.
5.1.4 Pusher bars should rotate free without constraints at the push rods.
5.1.5 Before the installation camshaft bushings installed in the cylinder block and camshaft
bearings should be carefully wiped with fiberless napkins and lubricated with the oil which is applied
in the lubrication system.
5.1.6 During the installation of the camshaft marking «P» (picture 5.1) at the drive gear of the
fuel pump installed at the gear 2 of the camshaft should coincide the marking «P» at the gear 1 of the
fuel pump drive.
5.1.7 Fastening bolts of the thrust flange 3 (picture 4.5) of the camshaft to the front wall of the
cylinder block should be tightened with the moment of force from 20 to 25 Nwm (from 2.0 to 2.5 kfg
m).
5.1.8 Camshaft should rotate free without constraints from the manual effort applied to the shaft
gear.
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Page 193: ...N u M a r Method defect detection and Dimension and parameter mm...
Page 201: ...4 Thread stripping M16 1 5 6H no more than two threads Inspection To calibrate the thread...