Service manual

16 Legend First Stage Service Manual
Table 4 - Torque Specications
Table 5 - Test Bench Specications
PART NUMBER DESCRIPTION / KEY NUMBER TORQUE
AP2031 Retaining nut / 15 45±2 inch-lbs
APF124563 Hose / 40 40±2 inch-lbs
TEST CONDITION ACCEPTABLE RANGE
Leak Test Inlet 2,500-3,000 (±100) psig No leaks allowed
Intermediate Pressure Inlet 2,500-3,000 (±100) psig 135±5 psi
Intermediate Pressure
Creep
Inlet 2,500-3,000 (±100) psig
5 psi max between 5 to 15 seconds after
cycling (purging) regulator
Opening Effort
Inlet 2,500-3,000 (±100) psig
Intermediate pressure 135±5 psi
+0.8 to +1.4 in. H
2
0 (primary)
+1.1 to +1.7 in. H
2
0 (Supreme)
Flow effort Intermediate pressure 135±5 psi +6 inches H
2
0 (maximum) at 15 SCFM
Purge ow Intermediate pressure 135±5 psi 5.0 SCFM ow rate (minimum)