Relief Valve Spring Free Length and Load
- Measure free length and tension of oil relief spring.
If the measured values of length or tension is less than the specification, replace oil pump relief valve set.
Oil relief spring
OIL RELIEF SPRING SPECIFICATIONItem Standard Spring free length 63.5 mm (2.5 in.) Spring preload 85.0 N for 52.0 mm (8.5 kgf for 52.0 mm, 19.0 lb/2.05 in.)