Navistar MaxxForce 7 - Page 86

SECTION5–MAINTENANCESCHEDULEANDSERVICEPROCEDURES
ServiceProcedures(cont.)
BELT,AIRINTAKEPIPINGANDCLAMPS(cont.)
Figure34SquareHoleInAutoTensioner(Typical)
1.Squareholelocationinautotensioner
2.Autotensioner
RemovingtheBelt
1.Attacha1/2–inchdrivebreakerbartosquareholein
autotensioner.
2.Pullbreakerbarclockwiseandremovebeltfromauto
tensionerpulleyandotherpulleys.
3.Slowlyreleasebreakerbar;autotensionerautomatically
adjusts.
4.Removebreakerbar.
InstallingtheBelt
1.Attacha1/2–inchdrivebreakerbartosquareholein
autotensioner.
2.Pullbreakerbarclockwiseandinstallbeltoverauto
tensionerpulleyandotherpulleys.
3.Slowlyreleasebreakerbar;autotensionerautomatically
adjusts.
4.Removebreakerbar.
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