Page ENGINE - 10 Z001019/0_6_July 2008
01 ENGINE
SERVICE MANUAL MARINE ENGINES
00.03 ill.13
16 Clean and degrease contact surface of tensioner and
camshaft housing.
Then mount tensioner.
17 Pre tension timing belt by turning tensioner on
hexagon WS 32 counterclockwise. Tighten
hexagon socket SW 8 with torque wrench to 20 Nm
+/- 2.
18 Put on tension gauge No. VR00515/0 (ill.15/pos.1)
between camshaft sprocket and tensioner. Pre
tension timing belt tension by further
counterclockwise turning of tensioner hexagon
SW 32 to read 600 N +/- 30 Nm for new timing belt
indication on tension gauge between green and red
marked field.
ATTENTION: When putting on tension gauge No.
VR00515/0, consider the following:
* The two stop trunnions (ill.15/pos.2) should rest
on the forehead of timing belt and must not rest
on the back of timing belt.
* Put measuring bow onto tooth.
* During measuring, completely push in measuring
bow and relax quickly.
When attaining the required timing belt tension, tighten
the Allen head screw SW 8 with torque wrench to 45
Nm +/-4, and hold up at the same time with wrench
SW32.
00.03 ill.14
00.03 ill.15
00.03 ill.16
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