Page 250 - Improving Machinery Reliability
P. 250
Machinery Reliability Audits and Reviews 221
Notes:
1. Surfaces marked G to be ground and
polished.
2. Diametral clearance C to be 0.001 i
0.0005 inch.
3. Location H to accept 30,000 psi hy-
draulic fitting.
4. O-rings to be Buna-N 90 durometer.
5. Drill 4 spanner wrench holes on cir-
cumference B.
6. Outer cup A to have wall thickness
consistent with 30,000 psi pressure re-
tention requirement.
7. Outer cup A to be AiSl 4340 steel.
Figure 3-94. Hydraulic pull-off fixture for tapered-bore coupling hubs.
Notes:
1. Surfaces marked G to be ground and
polished.
2. Diametral clearance C to be 0.001 2
0.0005 inch.
3. Location H to accept 30,000 psi hy-
draulic fitting.
4. O-rings to be Buna-N 90 durometer.
5. Machine,wrench flat at 8.
6. Outer cup A to have wall thickness
consistent with 30,000 psi pressure re-
tention requirement.
7. Outer cup A to be AIS1 4340 steel.
Figure 3-95. Hydraulic mounting fixture for tapered-bore coupling hubs.
