Replace Outlet Pressure Transducers; Replace Fans - Graco Reactor 3 Repair And Parts Manual

Repair
Replace Outlet Pressure
Transducers
NOTE: For Elite models only.
1. Follow the Pressure Relief Procedure on page 19.
2. Follow Shutdown on page 20.
3. Disconnect outlet pressure transducer cables from
#2 and #3 connectors on the MCM.
4. Remove wire ties constraining the outlet pressure
transducer cables and remove the cables from the
cabinet.
5. Apply thread sealant and install the new outlet
pressure transducer (412).
6. Install the outlet pressure transducers into the
manifold. Mark the end of the cable with tape (red =
transducer A, blue = transducer B).
7. Route the new outlet pressure cables into the
cabinet and re-thread the cable into the bundle.
Re-attach the cable ties to the bundle.
8. Connect the A-side outlet pressure transducer
cable to MCM port #2. Connect the B-side outlet
pressure transducer cable to MCM port #3.
32

Replace Fans

Shutdown the system to avoid injury from electric
shock. To avoid burns, do not perform maintenance
on the fan until the system has reached ambient
Replace Motor Fan
Follow steps 1-22 from the Motor Replacement
procedure on page 27, then follow steps 2-15 from the
Motor Installation procedure on page 29.
Alternative Motor Fan Replacement
Procedure with Electrical Cabinet Folded
Down
1. Follow Shutdown on page 20.
2. Open the electrical cabinet door and disconnect
the fan cable from the MCM. See Electrical
Schematics on page 69. Cut cable ties as needed.
3. Remove four screws (37) from the motor cover (5).
If necessary, fold the frame (1) to remove the motor
cover (5).
4. Install the new motor cover and route the fan cable
up to the MCM.
1
98
5
37
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