3208 INDUSTRIAL ENGINE ATTACHMENTS Caterpillar

(1) Maximum face runout of flexplate measured at bolt circle diameter ... 0.76 mm (.030 in)

(2) Bore runout of spacer TIR.

(Total indicator reading)

AT540 ... 0.51 mm (.020 in)

MT643, MT653 ... 0.20 mm (.008 in)

(3) Face runout of spacer TIR.

(Total indicator reading)

AT540 ... 0.51 mm (.020 in)

MT643, MT653 ... 0.20 mm (.008 in)

(4) Torque for bolts that hold flywheel and adapter to crankshaft ... 90 ± 7 N·m (66 ± 5 lb ft)

(5) Bore runout of adapter TIR.

(Total indicator reading)

AT540 ... 0.25 mm (.010 in)

MT643, MT653 ... 0.13 mm (.005 in)

(6) Face runout of adapter with flex plate installed [measured 76.2 mm (3.00 in) from center of bore] (Total indicator reading) ... 0.08 mm (.003 in)