John Deere 3029, 4039, 4045, 6059, 6068 — 220-0026

Contents CTM3274 (01JUL99) i Saran Liter Engines 060799 PN=366 Page Page Group 00—Safety . . . . . . . . . . . . . . . . . . . 00-1 Checking cylinder head flatness . . . . . . . . . 05-10 Cleaning valve seats . . . . . . . . . . . . . . . . 05-11 Group 01—General information Cleaning valve guides . . . . . . . . . . . . . . . . 05-11 Engine identification . . . . . . . . . . . . . . . . . . 01-1 Measure valve guides . . . . . . . . . . . . . . . . 05-12 Engine plate information . . . . . . . . . . . . . . . 01-1 Valve seats Repower engine plate . . . . . . . . . . . . . . . . . 01-2 Lapping valve seats . . . . . . . . . . . . . . . . 05-12 OEM engine option code label . . . . . . . . . . .

01-3 Check valve recess . . . . . . . . . . . . . . . . 05-13 Engine references . . . . . . . . . . . . . . . . . . . 01-3 Remove valve seat inserts . . . . . . . . . . . 05-14 Basic engine specifications (3029 - 4039 Valve seat insert installation . . . . . . . . . . 05-15 & 6059) . . . . . . . . . . . . . . . . . . . . . . . . . 01-4 Valves Basic engine specifications (4045 & Check valves . . . . . . . . . . . . . . . . . . . . 05-16 6068) . . . . . . . . . . . . . . . . . . . . . . . . . . 01-5 Grind valves . . . . . . . . . . . . . . . . . . . . . 05-16 Fuel specifications . . . . . . . . . . . . . . . . . . . 01-6 Check valve spring tension . . . . . . . . . . .

05-16 Oil specifications . . . . . . . . . . . . . . . . . . . . 01-7 Inspect valve rotators . . . . . . . . . . . . . . . 05-17 Coolant specifications . . . . . . . . . . . . . . . . . 01-8 Installation . . . . . . . . . . . . . . . . . . . . . . 05-17 Metric cap screw torque values . . . . . . . . . . 01-9 Install cylinder head . . . . . . . . . . . . . . . . . 05-18 Inch cap screw torque values . . . . . . . . . . . 01-10 Torque turn tightening method . . . . . . . . . . 05-19 Rocker arm shaft Group 02—Engine mounting Checking rocker arm shaft . . . . . . . . . . . 05-20 Engine repair stand . . . . . . . . . . . . . . . . . . 02-1 Installation . . . . . . . . . . . . . . . . . . . . . .

05-21 Safety precautions . . . . . . . . . . . . . . . . . . . 02-2 Valve clearance . . . . . . . . . . . . . . . . . . . . 05-21 Engine lifting procedure . . . . . . . . . . . . . . . . 02-2 Valve adjustment sequence . . . . . . . . . . . . 05-22 Clean engine . . . . . . . . . . . . . . . . . . . . . . . 02-3 Install rocker arm cover . . . . . . . . . . . . . . . 05-23 Disconnect turbocharger oil line . . . . . . . . . . 02-3 Final work . . . . . . . . . . . . . . . . . . . . . . . . 05-23 Group 03—Engine rebuild guide Group 10—Cyl. Block, Liners, Pistons & Rods Engine disassembly sequence . . . . . . . . . . . 03-1 Special tools . . . . . . . . . . . . . . . . . . . . . . .

10-1 Sealant application guidelines . . . . . . . . . . . . 03-3 Specifications . . . . . . . . . . . . . . . . . . . . . . 10-4 Engine assembly sequence . . . . . . . . . . . . . 03-4 Torques for hardware . . . . . . . . . . . . . . . . . 10-8 Exploded view . . . . . . . . . . . . . . . . . . . . . . 10-9 Group 05—Cylinder head and Valves Pistons & connecting rods removal . . . . . . . 10-10 Special tools . . . . . . . . . . . . . . . . . . . . . . . 05-1 Cylinder liner Specifications . . . . . . . . . . . . . . . . . . . . . . 05-4 Bore measure . . . . . . . . . . . . . . . . . . . 10-11 Torques for hardware . . . . . . . . . . . . . . . . . 05-6 Removal . . . . . . . . . . . . . . . . . .

. . . . . 10-11 Cylinder head exploded view . . . . . . . . . . . . 05-6 Deglazing . . . . . . . . . . . . . . . . . . . . . . 10-12 Check valve lift . . . . . . . . . . . . . . . . . . . . . 05-7 Cylinder block Removing cylinder head . . . . . . . . . . . . . . . 05-8 Cleaning . . . . . . . . . . . . . . . . . . . . . . . 10-12 Cleaning injection nozzle bores . . . . . . . . . . 05-8 Piston cooling jets checking . . . . . . . . . . 10-13 Valve actuating exploded view . . . . . . . . . . . 05-9 Remove valves & valve springs . . . . . . . . .

05-10 Continued on next page All information, illustrations and specifications in this manual are based on the latest information available at the time of publication. The right is reserved to make changes at any time without notice. CTM3274-19-01JUL99 COPYRIGHT© 1999 DEERE & COMPANY European Office Mannheim All rights reserved A John Deere ILLUSTRUCTION™ Manual Previous Editions Copyright 1995, 1992 Deere & Company 00 01 02 03 05 10 15 20 25 30 35 40 205 210 215