Toyota 1HD-FT Repair Manual page 63

ENGINE - ENGINE MECHANICAL
EG-50
..
45·
25"
~--'---"
If not, correct the valve seats as follows:
(1) If the seating is too high on the valve face. use
25° and 45" cutters to correct the seat.
1.4 - 1.8 mm (Inlake)
1.6 - 2.0 mm (Exhaustl
70· (Intake)
6S" (Exhaust)
..
"""
(d)
(e)
60~~
~()O
uC;;
""'"
(2) If the seating is too Iowan the valve face. use
70" (intake) or 65· (exhaust) and 45· cutters to
correct the seat.
Hand-lap the valve and valve seat with an abrasive
compound.
After hand-lapping. clean the valve and valve seat.
Deviation
8. INSPECT VALVE SPRINGS
(a) Using a steel square. measure the deviation of the
valve spring.
M8xlmum devl.tion:
2.0
mm
(0.079 In.)
If the deviation is greater than maximum. replace the
valve spring.
(b) Using vernier calipers. measure the free length of the
valve spring.
Fr•• I.ngth:
49.8
mm
(1.9527 In.)
If the free length is not as specified. replace the valve
spring.