Ammann AV 70 X, Operating Manual

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121 AV 70 X
400623
400626
416025
1
2
X
416026
MAINTENANCE MANUAL
3.6.21. Inspect the exhaust system
Check the leak tightness of exhaust manifold in the direc- •
tion towards the engine.
Check the exhaust manifold leading to the exhaust muffler.
•
Torque of the exhaust-header (collector) pipe - 21 Nm. •
After 1,000 hours of operation (after 1 year)
3.6.20. Inspect engine belt
When the engine is running, check visually the belt pulley of al-
ternator 1 and crank shaft 2 to make sure that it does not oscil-
late.
Stop the engine!
Check the belt tension by applying a pressure of 110 N (25 lb). If
the deflection X exceeds the belt thickness, tighten the belt.
Tighten the belt after slackening screws and by moving the al-
ternator.
Make sure that the engine is switched off
when tightening the belt!
Note
Measure the belt tension by means of a jig that can be ordered
from CUMMINS, according to the manual Engine Maintenance
(Section V15) that is a part of the machine documentation.