Piston rings: LnecK the oeanng surtace oi the nngs tor scoring or other marKing. and measure their mick- ness. Check the ring gaps With the ring fitted squarely into the liner, 5 mm down from the top edge: Top nng thickness: 1.470 - 1.490 mm (00579 - 0.0587 in). Second nng thickness: 1.720 - 1.740 mm (00677 - 0.0685 in). Top ring gap: 019 - 0.39 mm (0007 - 0.015 in) Second ring gap 039 - 0.59 mm (0015 - 0.023 in) Oil control ling gap: 010 . 0.60 mm (0004 . 0.024 in). .Gudgeon pin: Check the surface of the gudgeon pin for visible wear or marking, and measure the diameter: Standard pin diameter 20.995 -21 000(00266 - 0.8260 in). - o of the big end bearing vnth the shells - - and thep bolts tightened Small end bore: 21.007 - 21.023 mm (08270 . 0.8277 in). Big end bore Jim-um mm (1.881 - 1.883 in). . . - . .n-e mandrel and a press but Will require reaming to the specmed size aer tment. Ensure the oil hole is correctly aligned at the top of the bush mammoth Rod Assembl Pistons and liners are size graded A' and B, With the liners marked on their outer surface. and pistons marked on their crowns Ensure that A' pistons are tted in A' liners, and 0 With '0'. 1. Fit the cylinder liner using Loct'ne 572 adhesiveisealant (A912E7030V): - Thoroughly clean the liner spigot and seat. and the corresponding seating face in the block. - Dry t the liner. and check the liner nip, or stand-in below the block deck face. Specnication 0.08 . 010 mm (0.003 - 0.004 in). I