Middleby Cooking Systems Group PS870 Series manual 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, 1/2″ deflection 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 PS870 Series Gas Ovens Page Middleby Marshall Table of Contents Page Page Page QTY Description Page Standoff Installation Switching Photo Detector Resetting Direction JumperConveyor Belt Reversal Reversing the Conveyor BeltConnection PS870 Propane conversion 14 Gas Burner/Blower Motor and Piping AssemblyTemperature Control/Display Conveyor Time SettingMain On/Off Button Temp SetMain Screen on Main ScreenOven Temperature/Set Point/Indicator Screen Daily Shutdown ProcedureQuick Reference Touch Screen Controller Main Screen Energy ModesProblem Solution III. Quick Reference TroubleshootingPage Page Page Blower Belts IV. Maintenance Every 6 MonthsQTY Description