2001 Bombardier DS 650 Shop Manual 704 100 011, Page 72Get this manual
Section 03 ENGINE Subsection 06 (CRANKSHAFTBALANCER SHAFT)
First lift out crankshaft, then balancer shaftNOTE: Take care of spacer discs on crankshaft
Inspection
Crankshaft Bearing Radial Play Measure bearing journal diameterThe minimum diameter for bearing journal is 47.975 mm (1.888 in)If the measure exceeds specified tolerance, replace the crankshaftMeasure the interior diameter of the crankshaft bushingSubtract bearing journal diameter from inside bushing diameterThe result is the main bearing radial playIf the measure exceeds specified tolerance, replace the crankshaft andor bushingCRANKSHAFT BEARING RADIAL PLAY mm (in) SERVICE LIMIT 0.10 mm (.004 in)
Inspection
Check balancer shaft bearings nos11 and 12 in front and rear housing for excessive play and smooth operationReplace if necessary
Installation
Install balancer shaft in engine housing, mark must be aligned with mark on housingCoat thrust washer no13 with oil and install in crankshaftRotate crankshaft before installing so that mark is aligned with mark on housingFit gasketNOTE: Coat bearing points on shaftsRecentre crankshaft and balancer shaft if either housing, crankshaft or balancer shaft were replacedSee RECENTRE CRANKSHAFT