Vanguard OHV V-Twin Repair Manual Page 42
- Page / 85
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
Vanguard
TM
Twin-Cylinder OHV Liquid-Cooled Engine
Section 4 - Engine Overhaul
Page 37
specification. Be careful not to hone oversize or it will be
necessary to resize the cylinder.
NOTE: To produce the proper cross hatch finish
use a drill speed of approximately 200 RPM and
40-60 strokes per minute. Lubricate hone
liberally to prevent build up on finishing stones.
Fig. 67
Cleaning
IT IS MOST IMPORTANT THAT THE ENTIRE
CYLINDER AND CRANKCASE BE THOROUGHLY
CLEANED AFTER HONING. First, wash the cylinder
and crankcase carefully in a solvent such as kerosene or
commercial solvent. Then thoroughly wash cylinder and
crankcase using a stiff brush with soap and hot water.
Rinse thoroughly with hot running water. Repeat
washing and rinsing until all traces of honing grit are
gone.
Honing grit is highly abrasive and will cause rapid wear
to all of the internal components of the engine unless it is
completely removed.
NOTE: When cylinder and crankcase have been
thoroughly cleaned, use a clean white rag or
napkin and wipe the cylinder bore. If honing grit
is present, it will appear as a gray residue on rag.
If any honing grit is evident, re-wash and rinse
entire cylinder and crankcase and check again.
When there is no trace of honing grit on rag, the
cylinder is properly cleaned. Then oil cylinder
bore to prevent rusting.
BEARINGS
Check Mag Bearing
Check magneto bearing for wear or damage, Fig. 68.
If bearing is worn or damaged, the cylinder must be
replaced.
Fig. 68
Check Camshaft Bearings
Check camshaft bearings in cylinder and crankcase
cover for wear or damage, Fig. 69.
If bearings are worn or damaged, the cylinder or
crankcase cover must be replaced.
Fig. 69
VECTOR
APPROXIMATLY 45°
Reject Dimension: 1.7765” - (45.12 mm)
Reject Dimension: .790” (20.06 mm)
- Vanguard Twin Cylinder 1
- OHV Liquid-Cooled Engines 1
- MODEL 473100 2
- COMMERCIAL POWER 2
- SAFETY INFORMATION 3
- Table Of Contents 6
- SECTION 1 GENERAL INFORMATION 8
- ENGINE IDENTIFICATION 9
- MAINTENANCE SCHEDULE 10
- FUEL AND OIL RECOMENDATIONS 11
- CHANGING OIL AND OIL FILTER 12
- CHANGE COOLANT 12
- CLEANING DEBRIS 13
- ADJUST FAN BELT 13
- AIR CLEANER MAINTENANCE 13
- REPLACE SPARK PLUG 14
- Vanguard 15
- SECTION 2 16
- TROUBLESHOOTING 16
- STARTER CURRENT DRAW TEST 17
- NO LOAD STARTER CURRENT DRAW 18
- CHECK CARBURETION 21
- FUEL SHUT-OFF SOLENOID 21
- CYLINDER BALANCE TEST 23
- CYLINDER LEAKDOWN TEST 24
- CHECKING COOLING SYSTEM 26
- CHECK OIL PRESSURE SWITCH 27
- CHECK OIL PRESSURE 28
- CHARGING SYSTEM 28
- BATTERY INFORMATION 30
- EQUIPMENT AFFECTING ENGINE 31
- OPERATION 31
- SECTION 3 32
- ENGINE DISASSEMBLY 32
- DISCONNECT FUEL LINES 33
- REMOVE FAN ASSEMBLY 33
- REMOVE CARBURETOR 34
- REMOVE STARTER 35
- REMOVE INTAKE MANIFOLD 36
- REMOVE ALTERNATOR 37
- REMOVE CYLINDER HEADS 37
- REMOVE CRANKCASE COVER 38
- REMOVE CAMSHAFT 39
- REMOVE PISTONS, RODS 39
- CRANKSHAFT 39
- SECTION 4 40
- ENGINE OVERHAUL 40
- Section 4 - Engine Overhaul 41
- BEARINGS 42
- DISASSEMBLY AND INSPECTION 43
- TOOL #19340 44
- NEW PISTON RING 44
- CRANKPIN BEARING 45
- PISTON PIN BEARING 45
- CYLINDER HEAD INSPECTION AND 46
- OIL PUMP 49
- REPLACING WATER PUMP SEAL 50
- REPLACING STARTER SOLENOID 51
- Fig. 102 52
- Fig. 103 52
- Fig. 104 52
- Fig. 105 53
- Fig. 106 53
- Fig. 107 53
- Fig. 108 53
- Fig. 109 54
- Fig. 110 54
- Fig. 111 54
- Fig. 112 54
- Fig. 113 55
- Fig. 114 55
- Fig. 115 55
- Fig. 116 55
- CARBURETOR INSPECTION AND 56
- Fig. 121 57
- Fig. 122 57
- Fig. 123 57
- Fig. 124 57
- Fig. 125 58
- Fig. 126 58
- Fig. 127 58
- Fig. 128 59
- Fig. 129 59
- Fig. 130 59
- Fig. 131 59
- Fig. 132 60
- Fig. 133 60
- Fig. 134 60
- Fig. 135 60
- SECTION 5 62
- ENGINE ASSEMBLY 62
- Fig. 140 63
- Fig. 141 63
- Fig. 142 63
- INSTALL CAMSHAFT 64
- INSTALL GOVERNOR GEAR 64
- INSTALL CRANKCASE COVER 64
- INSTALL STARTER 65
- INSTALL ALTERNATOR 65
- INSTALL ROCKER ARMS 66
- INSTALL FLYWHEEL 66
- INSTALL CYLINDER HEADS 66
- ADJUST VALVE CLEARANCE 67
- INSTALL ARMATURES 67
- INSTALL FAN ASSEMBLY 68
- INSTALL INTAKE MANIFOLD 69
- ELBOW ASSEMBLY 69
- Fig. 164 70
- Fig. 165 70
- Fig. 166 70
- Fig. 167 70
- ADJUST GOVERNOR 71
- INSTALL MUFFLER 71
- INSTALL RADIATOR 72
- INSTALL AIR CLEANER ASSEMBLY 72
- Fig. 176 73
- Fig. 177 73
- Fig. 178 73
- Fig. 179 73
- Fig. 180 74
- Section 5 - Engine Assembly 75
- SECTION 6 76
- FINAL ADJUSTMENTS AND 76
- SPECIFICATIONS 76
- CARBURETOR ADJUSTMENT 77
- Fig. 187 78
- Fig. 188 78
- Fig. 189 78
- Fig. 190 79
- Fig. 191 79
- Fig. 192 79
- Fig. 193 79
- MODEL 473100 SPECIFICATIONS 80
- ENGINE HARNESS 82
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