Kubota WSM 05-E4B Series User Manual

5.17 Removing speed control plate.......................................................................................................4-38
5.18 Removing injection pump
..............................................................................................................4-38
5.19 Removing cam gear
, idle gear 1, 2 and governor gear
.................................................................4-39
5.20 Removing oil pan and oil strainer (for standard oil pan)................................................................ 4-40
5.21 Removing connecting rod .............................................................................................................4-41
5.22 Removing pistons..........................................................................................................................4-41
5.23 Removing piston ring and connecting rod.....................................................................................4-42
5.24 Removing flywheel ........................................................................................................................4-43
5.25 Removing bearing case cover.......................................................................................................4-43
5.26 Removing crankshaft assembly (except D1305-E4B/E4BG) ........................................................4-44
5.27 Removing crankshaft assembly (D1305-E4B/E4BG)....................................................................4-44
5.28 Removing main bearing case assembly .......................................................................................4-45
5.29 Removing alternator......................................................................................................................4-45
5.30 Removing starter (Electromagnetic drive type) .............................................................................4-46
5.31 Removing starter (Gear reduction type)........................................................................................4-48
6. Servicing.................................................................................................................................................4-49
6.1 Checking cylinder head top clearance ............................................................................................ 4-49
6.2 Checking cylinder head surface flatness.........................................................................................4-50
6.3 Checking cylinder head flaw ...........................................................................................................4-51
6.4 Checking valve recessing ...............................................................................................................4-51
6.5 Adjusting valve lapping ...................................................................................................................4-52
6.6 Checking clearance between valve stem and valve guide.............................................................. 4-52
6.7 Replacing valve guide .....................................................................................................................4-53
6.8 Adjusting valve angle ...................................................................................................................... 4-54
6.9 Adjusting valve seat ........................................................................................................................ 4-54
6.10 Checking free length of valve spring .............................................................................................4-55
6.11 Checking tilt of valve spring........................................................................................................... 4-55
6.12 Checking set load of valve spring .................................................................................................4-55
6.13 Checking oil clearance between rocker arm and rocker arm shaft ............................................... 4-56
6.14 Checking push rod alignment........................................................................................................4-56
6.15 Checking oil clearance between tappet and tappet guide bore ....................................................4-56
6.16 Checking clearance between outer rotor and pump body............................................................. 4-57
6.17 Checking side clearance of idle gear 1, 2 ..................................................................................... 4-57
6.18 Checking oil clearance between idle gear shaft and idle gear bushing ........................................4-58
6.19 Replacing idle gear bushing..........................................................................................................4-58
6.20 Checking side clearance of camshaft ...........................................................................................4-59
6.21 Checking camshaft alignment .......................................................................................................4-59
6.22 Checking cam height.....................................................................................................................4-59
6.23 Checking oil clearance between camshaft journal and crankcase bore .......................................4-60
6.24 Checking piston pin bore I.D. ........................................................................................................4-60
6.25 Checking oil clearance between piston pin and small end bushing ..............................................4-61
6.26 Replacing small end bushing ........................................................................................................ 4-61
6.27 Checking connecting rod alignment ..............................................................................................4-62
6.28 Checking piston ring gap...............................................................................................................4-62
6.29 Checking clearance between piston ring and ring groove ............................................................4-64
6.30 Checking side clearance of crankshaft .........................................................................................4-64
6.31 Checking crankshaft alignment .....................................................................................................4-65
6.32 Checking oil clearance between crankpin and crankpin bearing .................................................. 4-65
6.33 Checking oil clearance between crankshaft journal and crankshaft bearing 1 .............................4-66
6.34 Replacing crankshaft bearing 1.....................................................................................................4-68
6.35 Checking oil clearance between crankshaft journal and crankshaft bearing 2, 3 .........................4-68
6.36 Replacing crankshaft sleeve ......................................................................................................... 4-70
6.37 Checking cylinder wear .................................................................................................................4-70
6.38 Adjusting cylinder correction (over size) .......................................................................................4-71
6.39 Checking clearance between inner rotor and outer rotor ..............................................................4-72
6.40 Checking clearance between outer rotor and pump body............................................................. 4-72
6.41 Checking clearance between rotor and cover...............................................................................4-73
6.42 Checking overrunning clutch of starter..........................................................................................4-73
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05-E4B SERIES,05-E4BG SERIES
KiSC issued 03, 2023 A

Kubota WSM 05-E4B Series Specifications

General

Brand	Kubota
Model	WSM 05-E4B Series
Category	Engine
Language	English