OPERATIONAL PERFORMANCE TEST / Component Test RELIEF PRESSURE (WHEN RELIEVING SWING) ZX160- 3 class Adjust pressure by changing the number of shims (2). 1. Remove the swing relief valve. : 41 mm 2. Remove plug (5), sleeve (4) and piston (3). : 30 mm 3. Install shims (2) between piston (3) and spring seat (1) in order to adjust pressure. 4. After adjustment, install piston (3), sleeve (4) and plug (5). : 118 N m (12 kgf m, 88 lbf ft) NOTE: Replace seals (A, B, C) with new ones. A: JIS B 2401 G30 1B B: AS568-023 (Aero-Space Standard) C: AS568-125 (Aero-Space Standard) 5. Install the swing relief valve. : 176 N m (18 kgf m, 130 lbf ft) T1V1-03-02-003 6. Check the set pressure.
T4-5-13 Swing Relief Valve Swing Relief Valve 1 2 3 4 5 A B C T178-03-02 5 A A 2 3 NOTE: Standard Change in Pressure (Reference) Shim (2) Thickness (mm) 0.1 Change in Pressure kPa (kgf/cm2, psi) 610 (6.3, 60)