Middleby Marshall PS624E Maintenance Daily, Exterior, Cooling Fan, Conveyor Belt Figure

Page 28

SECTION 4

MAINTENANCE

I. MAINTENANCE - DAILY

A. Exterior

Everyday you should clean the outside of the oven with a soft cloth and mild detergent.

WARNING

Never use a water hose or pressurized steam cleaning equipment when cleaning the oven.

B. Cooling Fan

1.TWO COOLING FAN GRILLES AT THE REAR OF THE OVEN MUST BE CLEANED DAILY - Clean grilles with a stiff nylon type brush.

2.Check the air intakes of the cooling fans daily. The best time to check is right after starting the oven.

IMPORTANT NOTE

The cooling fans operate when the blower switch is turned to “ON” (“I”). It must operate to keep the electrical control cabinet below 140°F (60°C).

D. Crumb Pans (Figure 4-2)

WARNING

Crumb pan is extremely hot while oven is operating. Allow oven to cool before removing crumb pan.

When the oven is cool remove and clean the crumb pan at each end of the oven. Each crumb pan can be removed by sliding it out, as shown in Figure 4-2. Reinstall the crumb pans after cleaning.

Cooling Fans

WARNING

IF THE FAN BLADES ARE NOT ROTATING, BROKEN,ORTHEFANASSEMBLYISMISSING FROM THEMAIN BLOWER MOTOR SHAFT, DO NOT OPERATE THE OVEN. REPLACE THE COOLING FAN BLADE BEFORE OPERATING OVEN. Serious damage could be done to the burner blower motor and/or solid-state electrical components if the oven is operated while the cooling fans are not running or if the vent grilles are plugged.

3.Using a stiff nylon brush clean the control compartment vent grilles.

C. Conveyor Belt (Figure 4-2)

Everyday, just after starting the oven, stand at the unloading end of the conveyor, and with a brush, remove food particles (crumbs, etc.) clinging to the conveyor belt, brushing them into the crumb pan.

Figure 4-1. Oven Cooling Fans

Figure 4-2. Conveyor Belt and

Crumb Pan Cleaning

24

Image 28
Contents Owners operating Page Middleby Marshall IiiTable of Contents Section Description PS624 Series Oven Specifications PS624-Series Oven Components Locations II. Component Function Cooling Fan Air Finger Section Installation Section Installation Unloading03  /6%. .34!,,!4 152%$ +43 !.$.%150-%.4 Model PS624 Single Oven Dimensions Model PS624 Double Oven Dimensions Model PS624 Triple Oven Dimensions II. Ventilation Guidelines Electric Supply to be Provided by CustomerIV. Electric Supply 11. Junction Connection BoxSection Operation Control FunctionsDoor Safety Switch Blower SwitchHeat / Conveyor Switch Temperature ControllerConveyor Measuring Conveyor SpeedSee Figures 3-4 Startup Procedures Daily Startup Power FailureShutdown Procedure III. STEP-BY-STEP OperationControl Panel Daily Startup Procedure IV. Normal Operation STEP-BY-STEPSP Lock Quick Reference Troubleshooting SymptomSection Maintenance Maintenance Daily ExteriorCooling Fan Conveyor Belt FigureII. Maintenance Monthly Removing Conveyor From Oven For CleaningOosen 4WOO3CREWS and 2EMOVEE#HAIN3PROCKET #OVER Air Fingers Disassembly For Cleaning Standard FingersReassembly of Air Fingers 11. Standard Lower FingerCenter Spacer Extended Lip Flange Finger Manifold Reinstall End Plugs Conveyor Reassembly Into Oven Checking Conveyor Belt TensionConveyor Belt Link Removal Push and hold conveyor end down to reinstall the chain Attaching Drive ChainIII. Maintenance 3 and 6 Month Important NoticesKEY Spare Parts KIT PS624-SERIES Electric Oven KEY Spare Parts KITSection Maintenance Section Troubleshooting Section Troubleshooting Section Electrical Schematics Wiring Diagram, E380V 17.44 kW, PS624E/PS824E Wiring Diagram, E380V 17.4 kW, PS624E/PS824E CE Wiring Diagram, 400-416V 4 kW, PS624E/PS824E Section Electrical Schematics