Removing The Drive Assembly (Direct-Drive Models) - Pentair PR AQUA ROTOFILTER Installation And Operation Manual

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SECTION 14: DRIVE ASSEMBLY MAINTENANCE
5. Attach the chain to the gear sprocket.
6. Adjust the tension of the chain, as described in
Section 14.7
7. Fill the oil bath. Use only Clarity Synthetic
Hydraulic Oil AW. Fill until the bottom lengths of
the chain and lower gear are covered.
8. Attach the motor to the gear.
14.7 Removing the Drive Assembly
(Direct-Drive Models)
The drive assembly may need to be removed to
replace standard wear items or to adjust the set
collar that positions the drum. It is recommended
that the shaft seal be replaced (as described in
this section) and the set collar properly positioned
any time the drive assembly is removed.
See Section 14.11
14.7.1 Tools
Socket wrench
SAE socket set
SAE open-end wrench set
SAE hex key wrench set
Anti-seizing compound
Loctite 609 retaining compound
®
Loctite 243 thread locker
®
14.7.2 Procedure
Always follow the proper shutdown procedure
(Section 8.2 or 8.3) before performing any
maintenance on the Rotofilter.
1. Turn off power to the Rotofilter control panel.
2. Lock out the control panel.
PR Aqua Rotofilter Drum Filter Installation and Operation Manual
™
3. Remove the 21/4-inch wing nuts securing the
motor cover to the ledger bracket assembly. Lift
the motor cover off. See Figure 67.
Figure 67. Removing the drive cover
4. Remove the access plate on the motor.
Disconnect the supply wires coming from the
control panel.
Electrical work should
be completed by a
qualified electrician.
5. Remove the washer securing the 90-degree
elbow to the access plate.
6. Using a socket wrench, loosen the 4 bolts
securing the motor to the gear until you can turn
them by hand. See Figure 68.
Figure 68. Removing the motor