Westerbeke Universal M-50 - Page 87

SECTION VI - CONTENTS (Continued)
PISTON AND CRANKSHAFT (Continued)
Removing Bearing
Case Cover ..................................................... 102
Removing Bearing Case Bolt 2 ..................................................... 103
Removing Crankshaft ............................................................. 103
Removing Main Bearing Case ...................................................... 104
Removing Cylinder Liner .......................................................... 104
THERMOSTAT,
WATER PUMP
Removing Thermostat
............................................................ 105
Removing Water Pump ........................................................... 106
CYLINDER HEAD AND VALVES
Checking Flatness of Cylinder Head Surface ...................................... 106-107
Checking Flaw of Cylinder Head Surface ............................................. 107
Reparing Valve Seat .............................................................. 108
Checking Valve Recessing ......................................................... 108
Checking Guide Clearance ........................................................ 109
Checking Valve Spring Free Length ................................................. 109
Checking Valve Spring Squareness ................................................. 110
Checking Valve Spring Tension ..................................................... 110
Checking Oil Clearance Between Rocker Arm Shaft and Bushing ......................... 111
Checking Top Clearance .......................................................... 111
Adjusting Valve Clearance ......................................................... 113
Adjusting Compression
Release .................................................... 112
FUEL
SYSTEM
Testing Opening Pressure of Nozzle ................................................. 113
Checking
Fuel Tightness of Nozzle Valve Seat ........................................ 113
Checking Shape of Fumes Across
Nozzle Tip ......................................... 114
Checking
Fuel Tightness of Fuel Injection Pump Plunger ................................ 114
Checking
Fuel Tightness of Delivery Valve of Fuel Injection Pump ........................ 115
Choking and Adjusting
Injection Timing .............................................. 116
TIMING GEARS, CAMSHAFT
Checking Oil Clearance of Camshaft ................................................ 117
Checking Camshaft
Alignment ...................................................... 117
Checking
Cam Heights of Intake and Exhaust ......................................... 118
Checking Gear
Backlash .......................................................... 118
LUBRICATION SYSTEM
Testing Oil Pressure .............................................................. 119
Oil Pump (Rotor Type) ........................................................ 119-120
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