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74
Check the driven pulley
Check whether the driven pulley is deformed, cracked and worn; If yes, replace it.
Check the cylinder head bolts
Measure D1 and D2 at specified measuring points. Calculate the value of D2 minus D1. If it
is greater than 0.17mm, replace it.
Valve and valve guide
1.
Check the width of valve sealing surface; If it is not within the prescribed scope, Trim
the valve seat ring.
Width of sealing surface:
Intake
valve
1.10
~
1.50 mm
Exhaust
valve
1.10
~
1.50 mm
2.
Check the valve edge thickness T; Replace the valve if it does not meet the specified
value.
Valve edge thickness:
Intake
valve
0.8
~
1.2 mm
Exhaust
valve
1.0
~
1.4 mm
3.
Check valve stem diameter. If it is not within the prescribed scope, replace the valve.
Valve stem diameter:
Intake
valve
5.475
~
5.490mm
Exhaust
valve
5.460
~
5.475mm
Note:
When replacing the valve, be sure to use new valve guide and valve oil seal.
4.
Check valve stem runout. If it is beyond the limit, replace the valve.
Valve stem runout limit: 0.01mm
5.
Check the inner diameter of the valve guide.
Valve guide inner diameter: 5.504
~
5.522mm
6.
Calculate the clearance between valve stem and valve guide hole. If it exceeds the
clearance range, please replace it
Intake
valve
0.014
~
0.047mm
Exhaust
valve
0.029
~
0.062mm
Valve spring
1.
Check the free length of valve spring; Replace it if it is less than the specified value.
Minimum free length: 41.2 mm
T
D1
D2
68 mm
10 mm
Summary of Contents for F115 BEX-T
Page 1: ...Service Manual F115 FL115 Suzhou Parsun Power Machine Co Ltd...
Page 20: ...14 Overall dimensions X type X type two engine...
Page 21: ...15 L type...
Page 22: ...16 L type two engine...
Page 23: ...17 Mounting dimensions...
Page 24: ...18...
Page 35: ...29 Disassembly schematic diagram...
Page 36: ...30...
Page 37: ...31...
Page 38: ...32...
Page 39: ...33...
Page 40: ...34...
Page 48: ...42 Disassembly schematic diagram...
Page 49: ...43...
Page 50: ...44...
Page 51: ...45...
Page 52: ...46...
Page 53: ...47...
Page 55: ...49...
Page 61: ...55 Disassembly schematic diagram...
Page 62: ...56...
Page 63: ...57 M10x1 5x35 mm 60 Nm O O M10x1 5x35 mm 60 Nm 39 Nm O O O O O...
Page 64: ...58...
Page 65: ...59 M10x1 5x105 mm 1st 16 Nm 2nd 42 Nm M8x55 mm 1st 14 Nm 2nd 28 Nm O 49 Nm O GM 18 Nm...
Page 66: ...60...
Page 67: ...61 M8x1x36 mm 1st 13 Nm 2nd 35 Nm O O O O O O...
Page 68: ...62...
Page 69: ...63 O O...
Page 70: ...64...
Page 71: ...65...
Page 72: ...66...
Page 92: ...86...
Page 93: ...87 Disassembly and inspection...
Page 95: ...89...
Page 96: ...90...
Page 97: ...91...
Page 98: ...92 Disassembly and inspection...
Page 99: ...93 Water unit and bracket Disassembly schematic diagram...
Page 100: ...94...
Page 101: ...95...
Page 102: ...96...
Page 103: ...97...
Page 104: ...98 SN...
Page 108: ...102 Underwater part Disassembly schematic diagram 94 Nm 103 Nm...
Page 109: ...103 O 5 8 8 x 3 1 O R I N G 5 8 8 x 3 1...
Page 110: ...104...
Page 111: ...105 1277 L 1277 L 1277 L M10x1 25x40 40 Nm 55 Nm M10x1 25x65 40 Nm M10x1 25x45 42 Nm...
Page 112: ...106...
Page 113: ...107 FL115 rotates backward 94 Nm 103 Nm...
Page 114: ...108...
Page 115: ...109...
Page 116: ...110...
Page 117: ...111 1277 L L 1277 L M10x1 25x40 40 Nm 55 Nm M10x1 25x65 40 Nm M10x1 25x45 42 Nm...
Page 118: ...112...
Page 125: ...119 FL115 rotates backward Deviation value mark...