Pic. 2.122. Checking valve springs
Check the deviation of the spring from the vertical, which should not exceed 1.2 mm (pic. 2.122).
Check spring calibration.
Spring length under load:
- under a load of 18–20 N, the length of the spring is 34.50 mm;
- under a load of 56.3–61.7 N, the length of the spring is 24.50 mm;
- spring free length 41.30 mm (pic. 2.123).
Pic. 2.123. Checking the spring calibration