L Note: Note shims on crankshaft. Removing and installing crankshaft gear • First lift out crankshaft, then balancing shaft. 11 6 502 Checking crankshaft for wear • Check bearing journals on crankshaft and con- rod for signs of damage and wear. Bearing journal diameter ..min. 45.97 mm (1.810 in) Radial clearance of main bearing ........................................max. 0.10 mm (0.004 in) Endplay, conrod/crank cheek .........................................max. 0.80 mm (0.032 in) Diameter of small-end bore .......................................max. 22.04 mm (0.868 in) F110450 11 27 020 Removing compensating gear • Clamp crankshaft into vise with protective jaws. • Use yoke, BMW No.
11 6 501 , spindle, BMW No. 11 6 502 , and pressure pad, BMW No. 11 6 503 , to pull off the crank- shaft gear. • Press off compensating gear with pressure pad, BMW No. 11 0 561 . • Installation is the reverse of the removal proce- dure, pay particular attention to the following. • Installation is the reverse of the removal proce- dure, pay particular attention to the following. • When installing, heat the crankshaft gear to 140 ° C (284 ° F). L Note: Use temperature measuring device, BMW No. 00 1 900 , to check the tempera- ture. e Attention: Pin must not protrude from bore in crankshaft gear - this is the support face for the thrust washer.
• Using a suitable adapter, drive the gear onto the crankshaft. Projection “ A ” of pin ...............max. 18 mm (0.71 in) 11.41 1 1 6 501 1 1 6 503 1 1 6 503 L Note: Use temperature measuring device, BMW No. 00 1 900, to check the tempera- ture. • Heat the compensating gear to 100 °C (212 °F). L Note: Install the compensating gear with the mark pointing down. A • Use a socket of suitable size or similar adapter to apply pressure to the thrust face of the gear when installing the compensating gear. F1104 60