Takeuchi TB 175 Handbuch Seite 793

(5) Valve rocker arm
Mainly inspect valve head cap contact surface, inside
surface defects and wear.
Slight surface defects shall be corrected with an
oilstone.
Model Items
Arm hole
3TNV82A
diameter
3/4TNV84(T)
Shaft O.D.
3/4TNV88
Clearance
Arm hole
diameter
4TNV94L/98(T)
4TNV106(T) Shaft O.D.
Clearance
(6) Rocker arm shaft
Mainly inspect seizure and wear at the surface in sliding
contact with the arm. The rocker shaft diameter shall be
as specified in (5) above.
(7) Push rod
Mainly inspect the surface in contact with the tappet and
adjusting screw. Slight defects shall be corrected with an
oilstone.
Bend limit
(8) Valve clearance adjusting screw
Mainly inspect the surface in contact with the push rod.
Slight defects shall be corrected with an oilstone.
(9) Rocker arm spring
Mainly inspect surface defects and corrosion.
Standard
16.00 to 16.02 16.07
15.97 to 15.98 15.94
0.016 to 0.054
18.50 to 18.52 18.57
18.47 to 18.49 18.44
0.01 to 0.05
0.03 mm
4. Disassembly, inspection and reassembly of engines
mm
Limit
Rocker arm hole diameter
0.13
0.13
Rocker shaft outside diameter
Thickness gage
79
Push rod bend
(R.1)