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1.
Trim the valve with a 45° valve seat ring cutter and adjust the width of the
sealing surface. Turn the cutter clockwise until the surface of the seat ring is smooth.
2.
If the valve sealing surface is too wide and in the middle of the valve surface, trim
the top edge of the seat ring with a 30° cutter and trim the bottom edge of the seat
ring with a 60° cutter, and adjust the width of the sealing surface.
3.
If the valve sealing surface is too narrow and at the top edge of the valve surface,
trim the top edge of the seat ring with a 30° cutter, and adjust the width of the
sealing surface with a 45 tool.
4.
If the valve sealing surface is too narrow and at the bottom edge of the valve surface,
trim the bottom edge of the seat ring with a 60° cutter, and adjust the width of the sealing
surface with a 45° cutter (if any).
5.
Apply a thin layer of abrasive evenly to the valve seat ring, and grind the valve with a
valve grinding tool.
6.
Remove the residual abrasive.
7.
Check the width of valve sealing surface again.
Note:
Do not excessively cut the valve, and turn the cutter evenly with a downward force of 40
~ 50N.
Do not stick the abrasive on the valve stem and valve guide.
Assemble and mount the cylinder head
1.
Install a new valve oil seal and apply engine oil to the valve guide.
2.
Install the valve, valve spring plate, valve spring and spring seat in sequence.
3.
Compress the valve spring with the valve spring compressor and install the valve spring
retainer.
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...