Middleby Cooking Systems Group PS770 IV. Maintenance Every 6 Months, Blower Belts

Page 21

E. Blower Belts

1.To gain access to each blower belt compartment remove the four screws shown in Figure 4-8. Then, lift the rear shroud off its hangers.

If access to the blower motors is required, remove the three mounting screws (two on the front of each shroud and one on the rear). Then, lift the end shroud straight up and off its hangers.

2.Check each blower belt for cracking or excessive wear.

3.Check for amount of belt deflection in the center of the belt, 1/2deflection is acceptable, see Figure 4-9.

4.If necessary, replace belt.

IV. MAINTENANCE - EVERY 6 MONTHS

A.Check that the oven is cool and the power is disconnected as described in the warning at the beginning of this Section.

B.For gas ovens, clean and inspect the burner nozzel and electrode assembly.

C.Check (and clean, if necessary) the oven venting system.

D.Check the conveyor drive shaft bushings and spacers. Replace the components if they are worn.

Figure 4-9 - Belt Deflection

21

Image 21
Contents Owners Operating and Installation Manual Page Page Middleby Marshall Table of Contents Page Page Page Item QTY Description Page Standoff Installation Switching Photo Detector Resetting Direction JumperAttaching the Point of Sale Cable Conveyor Belt ReversalConnection 14 Gas Burner/Blower Motor and Piping Assembly Operation II. Normal Operation STEP-BY-STEP Symptom Problem Solution III. Quick Reference TroubleshootingPage Page Page Blower Belts IV. Maintenance Every 6 MonthsItem QTY Description Schematics