2001 Bombardier DS 650 Shop Manual 704 100 011, Page 63Get this manual

2001 Bombardier DS 650 Shop Manual 704 100 011, Page 63

Subsection 05
Section 03 ENGINE (CYLINDER AND HEAD)

1,2, CAMSHAFT
Removal
Remove fuel tankRefer to FUEL CIRCUITUnfasten center screw plug to right of engine housing coverMove crankshaft into TDC setting with the Allen keyInstall the crankshaft locking bolt (PN 529 035 617)
Remove the upper section of camshaft carrier no12Remove camshafts no1 and no2 with timing gears no13NOTE: Only unfasten timing gears if they need to be replacedSecure timing chain no14 with retaining wireRemove front chain rail no15
Inspection
Check each lobe for scoring, scuffing, cracks, or other sign of wearMeasure camshaft base circle diameter and lobe height, using micrometerCAMSHAFT LOBE HEIGHT SERVICE LIMIT 39.7 mm (1.56 in)

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