POWERTECH™ 2.9 L OEM Diesel Engines - John Deere Industrial ...

Lubrication & Maintenance/250 Hour/6 MonthStandard V-belt tension can be checked with JDG529Tension Gauge (bold arrow) or equivalent gauge. (Gaugeis available from a John Deere Dealer or Distributor)NOTE: On engines with dual belts, check tension of frontbelt only.1. Inspect belts for cracks, fraying, or stretched out areas.Replace if necessary.2. Using JDG529 Belt Tension Gauge, or belt tensiontester (A) and straightedge (B), check tension of warmbelts:Checking Belt Tension with Tension GaugeRG7333 –UN–01DEC00a. When using JDG529 Belt Tension Gauge, measurebelt tension and compare with specifications on nextpage.b. Belt deflection when using belt tension tester (A)with straightedge (B), with force applied halfwaybetween pulleys.SpecificationStandard V-Belt with 89 N (20 lb)force—Deflection ............................................................... 19 mm (3/4 in.)A—Tension TesterB—StraightedgeChecking Belt Tension with StraightedgeRG7334 –UN–01DEC00Continued on next pageRG,RG34710,5065–19–30JAN98–2/330-7 060106PN=80