Service manual

15
Servicing Instructions
The (2) impeller set screws should be removed and reinstalled
with a drop of thread locking sealant and remain unseated during
initial re-assembly.
Slide the impeller onto the motor shaft end. Apply a drop of thread
locking sealant to the threads of the retainer screw/washer
assembly. Insert the retainer screw into the shaft so that it bottoms
on the end of the shaft and hub of the impeller. Torque to 30 in/lbs.
Seat the (2) impeller set screws. Torque to 100 in/lbs.
Re-attach the scroll halves. Apply a bead of high temperature
Silicone Sealant (600°F) to the scroll halves. Secure with all (7)
nuts/bolts. Torque to 150 in/lbs.
Step 5
Step 6
Step 7
Step 8
Overtorquing can result in a failure of components.
CAUTION
SECTION 7: SERVICING INSTRUCTIONS