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O&M Manual

What to do if fan has abnormal normal noise and vibration

Stop fan immediately

Check that fan rotation is correct

Check that fan blades are not touching casing or inlet cone

Check that no foreign materials are stuck at the fan blades

Check that fan blades are not broken

Check that all fasteners are tightly secured

Check that fan is isolated completely

Check that inlet and outlet air passage is not blocked

If non of the above,

Fan balancing is required

Motor bearing may be faulty

Fan may be running in unstable stage

Содержание LRD

Страница 1: ...O M Man LRE D CABINET FAN O M Manual ...

Страница 2: ...eller together with the motor bridge c Remove the holding screws of the motor d Replace the motorized impeller where necessary 2 Assembly of the motorized impeller a Tighten the motorized impeller to the motor bridge b Assemble the bridge together with the motorized impeller to the casing c Adjust the bridge and make sure impeller is not rubbing the inlet cone ...

Страница 3: ...E D model External Rotor Motorised Impeller Casing Motor Bridge 4 x bracket holding screws Motorized impeller Motor Bridge Motorized Impeller 4 x motor holding screws Dismantle the motorised impeller from the bracket ...

Страница 6: ...casing or inlet cone d Check that no foreign materials are stuck at the fan blades e Check that fan blades are not broken f Check that all fasteners are tightly secured g Check that fan is isolated completely h Check that inlet and outlet air passage is not blocked If non of the above Fan balancing is required Motor bearing may be faulty Fan may be running in unstable stage ...