© Edwards Limited 2012. All rights reserved. Page 31
Edwards and the Edwards logo are trademarks of Edwards Limited.
Maintenance
A705-61-880 Issue M
7. If necessary, refit the two hinge bushes (1) to the valve flap (7), then fit the valve flap to the valve body (2).
8. Refit the valve body (2) in the exhaust manifold (3).
9. Fit the retainer (9) to the exhaust manifold (3) and secure with the four bolts (11). Tighten the bolts to a torque
of 10 Nm (7.4 lbf ft).
Figure 7 - Exploded view of the interstage relief valve
1. Hinge bush
2. Valve body
3. Exhaust manifold
4. ‘O’ ring
5. 'O' ring
6. Valve ‘O’ ring
7. Valve flap
8. 'O' ring
9. Retainer
10.Jacking hole
11.Bolt (4 off)