Middleby Marshall PS540 installation manual Section Maintenance, III. MAINTENANCE - EVERY 3 MONTHS

4.Reassemble conveyor drive chain cover and then reassemble the bottom cover to the drive chain cover.

Install both upper end plugs.

Figure 4-37.

SECTION 4

MAINTENANCE

III. MAINTENANCE - EVERY 3 MONTHS

WARNING

Shut OFF all electrical power and lock/tag out the switch before attempting maintenance work.

Shut OFF gas supply to oven.

NOTE: It is recommended that the 3-month mainte- nance be performed by an authorized Middleby Marshall technician.

A.Cleaning the Blower/Fan Motor

To gain access to the blower/fan motor, open the control cabinet door by removing the three screws. Clean the motor, burner blower motor, the conveyor drive motor and the surrounding area, using either compressed air or CO2. Thoroughly blow out the motor compartment and vents inside the motor (Figure 4-38). Failure to do this can cause premature failure of blower fan motor.

CAUTION

Not cleaning the blower/fan motor properly can cause premature failure.

Figure 4-38.

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