User guide

PROHEAT INSTALLATION & SERVICE
1-6
TORQUE SPECIFICATIONS1.3
FAN END CASTING
•
Apply anti-seize to bolts (3)
• Torque bolts (3) to 75±5 in/lbs (8.5±0.5 Nm)
REGULATOR
• Apply anti-seize to cap screw
• Torque cap screw to 94±6 in/lbs (10.6±0.7 Nm)
FLAME SENSOR
• Torque sensor to 25±3 in/lbs (2.8±0.3 Nm)
IGNITER
• Apply anti-seize to igniter threads
• Ensure gasket is present before installing
• Torque igniter to 50±5 in/lbs (5.6±0.6 Nm)
COMBUSTION TUBE
• Apply anti-seize to cap screws
• Torque cap screws (4) to 25±3 in/lbs (2.8±0.3 Nm)