Yanmar L48V [14/24] Camshaft and tappet

Содержание

• Engine 1
• Section 6 1
• Wm lft 2
• Before you begin servicing 3
• Caution 3
• Warnin 3
• _______ 3
• Caution 4
• Engine 4
• Introduction 4
• This section of the service manual describes the disassembly inspection and reassembly of the engine 4
• As undersize bearings are available and may have been installed some time during the life of the engine add the oversize or subtract the undersize from the standard dimension to measure these replacement parts refer to the parts catalog for the available sizes 5
• Cylinder head 5
• Cylinder head assembly 5
• Engine 5
• Intake exhaust valve seat 5
• Note all dimensions given are for standard original components oversize pistons and piston rings as well 5
• Specifications 5
• Valve clearance 5
• Yanmar 5
• Engine 6
• Intake exhaust valves guides and seals 6
• Push rod 6
• Engine 7
• Rocker arm and shaft 7
• Valve spring 7
• Yanmml 7
• Crankshaft 8
• Crankshaft balancer shaft piston and connecting rod 8
• Engine 8
• Balancer shaft 9
• Engine 9
• Engine 10
• Piston 10
• Yanmar 10
• Engine 11
• Piston ring 11
• Engine 12
• Connecting rod 13
• Engine 13
• Camshaft 14
• Camshaft and tappet 14
• Engine 14
• Tappet 14
• Cylinder block 15
• Cylinder block and crankcase cover 15
• Engine 15
• Crankcase cover 16
• Engine 16
• Yanmar 16
• Engine 17
• Oil pump trochoid pump 17
• Yanmml 17
• Engine 18
• Special torque specifications 18
• Engine 19
• Engine 20
• Special service tools 20
• Yanmar 20
• Engine 21
• Special service tools continued 21
• Engine 22
• Measuring instruments 22
• Yanmar 22
• Engine 23
• Measuring instruments continued 23
• Cylinder head 24
• Engine 24
• Removal of cylinder head 24

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ENGINE Camshaft and Tappet Camshaft Standard Limit End Play All Models 0 002 0 011 in 0 040 0 280 mm 0 018 in 0 45 mm Camshaft Journal Outside Diameter 0 5905 0 5909 in 4 989 15 000 mm 0 5874 in 14 920 mm Needle Bearing Inside Diameter 0 5911 0 5918 in 15 016 15 034 mm Oil Clearance 0 0006 0 0017 in 0 016 0 045 mm Camshaft Journal Outside Diameter 0 9834 0 9839 in 24 980 24 993 mm 0 9803 in 24 900 mm Bearing Inside Diameter 0 985 0 9858 in 25 020 25 041 mm Oil Clearance 0 0010 0 0024 in 0 027 0 061 mm Camshaft Journal Outside Diameter 1 1803 1 1808 in 29 980 29 993 mm 1 1771 in 29 900 mm Bearing Inside Diameter 1 1818 101827 in 30 020 30 041 mm Oil Clearance 0 0010 0 0024 in 0 027 0 061 mm Camshaft Journal Outside Diameter 1 3771 1 3776 in 34 980 34 993 mm 1 374 in 34 900 mm Bearing Inside Diameter 1 3787 1 3795 in 35 020 35 041 mm Oil Clearance 0 0010 0 0024 in 0 027 0 061 mm Standard Limit Tappet Hole Block Inside Diameter 0 2755 0 2761 in 7 000 7 015 mm 0 2779 in 7 06 mm Tappet Stem Outside Diameter 0 2740 0 2755 in 6 960 6 980 mm 0 2704 in 6 87 mm Oil Clearance 0 0007 0 0021 in 0 020 0 055 mm Tappet Hole Block Inside Diameter 0 9448 0 9461 in 24 000 24 033 mm 0 9472 in 24 06 mm Tappet Stem Outside Diameter 0 9831 0 9446 in 23 972 23 993 mm 0 9405 in 23 89 mm Oil Clearance 0 00027 0 0024 in 0 007 0 061 mm Cylinder Block All Models L48V Crankcase Cover Reference Page Inspection Item L70V L100V See Camshaft and Tappet on page 6 50 Tappet Inspection Item Valves All Models Fuel Injection Pump All Models 6 14 Reference Page See Camshaft and Tappet on page 6 50 LV Service Manual YMNM IR