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Recommended Maintenance
1. Since fan bearings are sealed and provided with an internal lubricating material, no additional lubrication is necessary.
2. Fan impeller may accumulate lint. Periodic inspection, based upon dryer usage, should be performed to ensure that the fan impeller is not
obstructed or loaded with lint. Under normal conditions, fan should be inspected a minimum of every Six (6) Months. Note: Excessive booster fan
noise or vibration may be an indication of lint buildup on the impeller. To inspect and clean the DPV22-2 follow the steps below.
Before doing any maintenance disconnect the incoming power supply, the indicator panel wire and pressure tubing of the pressure switch.
Step 1: Loosen the FC clamp and slide it down.
Step 3: Remove fan from the duct and remove lint buildup in inlet and
outlet of the DPV22-2.
Step 2: Remove fastening method approved by the local building code on
the outlet duct of the fan. Loosen the wood screw holding the
mount bracket and slide the bracket out of the key holes.
Step 4: Replace the DPV22-2 following the steps in reverse order.
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