Middleby Marshall PS300F installation manual Split Belt Idler Shaft

Page 23

 

SECTION4-MAINTENANCE

III. MAINTENANCE - EVERY 3 MONTHS

IV. MAINTENANCE - EVERY 6 MONTHS

A. Check that the oven is cool and the power is disconnected, as described in the warning on Page 20.

B. Vacuum both of the blower motors, and their surrounding compartments, using a shop vacuum.

C. Tighten all electrical control terminal screws.

D. For split belt ovens ONLY, disassemble, clean and lubricate the conveyor shaft components as described below.

1. Remove the motor shroud, conveyor extensions, and conveyor as described in Part II, Monthly Maintenance.

2. Remove the master links from each conveyor belt. Then, roll the belts up along the length of the conveyor to remove them from the frame.

3. Remove the two conveyor adjustment screws from the idler end of the conveyor frame, as shown in Figure 4- 6.

4. For PS360EWB and PS360WB70 ovens, remove the socket head screw as shown in the inset drawing. Then, loosen the locking collar set screw. Push the shaft assembly toward the locking collar until it is free.

5. Remove the idler shaft assembly from the conveyor.

6. Pull apart the two sections of the idler shaft. Clean the shafts thoroughly using a rag. Then, lubricate both the extended shaft and the interior of the hollow shaft using a light food-grade lubricant.

CAUTION

DO NOT lubricate the shafts using WD40 or a similar product. This can cause the shafts to wear rapidly.

7. Before reassembling the shafts into the conveyor frame, check that they are oriented properly. Remember that unequal-width split belt ovens should ALWAYS have the narrower belt at the front of the oven.

8. Reassemble the idler shaft into the conveyor. For all ovens except the PS360EWB and PS360WB70, make sure that the bronze washer is in place between the two sections of the shaft. See Figure 4-8.

9. Loosen the set screw on both of the conveyor drive sprockets. Then, remove the sprockets from the shaft.

10. Loosen the locking collar set screw, as shown in Figure 4-7. For PS360EWB and PS360WB70 ovens, remove the socket head screw shown in the inset drawing.

11. Push the drive shaft to the right, then lift it free of the conveyor frame. Then, disassemble and lubricate the two sections of the drive shaft as described in Step 5.

12. Before reassembling the shafts into the conveyor frame, check that they are oriented properly. Remember that unequal-width split belt ovens should ALWAYS have the narrower belt at the front of the oven.

13. Reassemble the drive shaft into the conveyor. Check that the nylon spacer is in place, as shown in Figure 4-

8. Also, for all ovens except the PS360EWB and PS360WB70, check that the bronze washer is in place between the two sections of the shaft.

14. Replace the drive sprockets. Reassemble the belts and master links onto the conveyor, and replace the conveyor in the oven.

15. Reassemble the motor shroud and conveyor exten- sions onto the oven.

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A.Check that the oven is cool and the power is disconnected, as described in the warning on Page 20.

B.Check for excessive wear on the conveyor drive motor brushes. The brushes should be replaced if they have worn to less than 1/4" (6.4mm) in length.

C.Clean and inspect the burner nozzle and electrode assem- bly.

D.Check (and clean, if necessary) the oven venting system, including the flue.

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

Figure 4-6 - Split Belt Idler Shaft

Collar

All ovens

 

Conveyor adjustment

 

screw (2)

 

PS360EWB and

 

PS360WB70 Only

PS360EWB

 

and

 

PS360WB70

 

Only

 

 

Screw

Figure 4-7 - Split Belt Drive Shaft

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Screw

 

 

All ovens

 

 

 

 

 

 

 

 

 

Locking collar

 

 

 

PS360EWB and

 

 

 

 

 

 

 

 

 

 

 

 

PS360WB70 Only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 4-8 - Washers and Spacer

All ovens

Nylon spacer on drive shaft

ONLY

All ovens

except

PS360EWB and

PS360WB70

Bronze washer on

BOTH idler and

drive shafts

ENGLISH

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Page 22 Page 24
Contents Owners Operating English Table of Contents Not Shown III Oven SpecificationsOven Uses Conveyor Drive Motor Moves the conveyorGeneral specifications per oven cavity Installation 811 Installation KITInstallation kit components one kit required per cavity Additional installation kit components for gas ovensOther ventilation concerns II. Ventilation SystemRequirements RecommendationsStands III. AssemblyIV. Thermocouple Installation StackingBe pre-mounted to Either of the oven Cavities Tandem Oven AssemblyOven Positioning and Alignment Leftoven RightovenReplace the rear axial cooling fans. See Figure Frame of the right oven, pointing outward as shownPush the ovens together. Check that the mounting bolts Lift the conveyor and position it in the oven as shown VI. Conveyor InstallationInstallingtheConveyor-AllovensEXCEPTTandem models Conveyor Frame VII. Final AssemblyInstalling the Conveyor and Belt Tandem oven models Link Orientation Tandem Oven Heavy-DutyConnection Additional Information Electric OvensAdditional Information Gas Ovens Gas Line DuringpressuretestingnoteoneofthefollowingIf incoming pressure is over 14 W.C mbar, a sepa Gas MeterLocation and Description of Controls Display, and wait for DailystartupprocedureDailyshutdownprocedure II. Normal Operation STEP-BY-STEPActual Temp III. Quick Reference Digital Temperature ControllerOven will not heat Controls may be set incor Rectly Quick Reference TroubleshootingMaintenance Cooling Fan/Vent Locations PS360EWB Maintenance DailyRemoving Air Fingers and Plates II. Maintenance MonthlySplit Belt Idler Shaft Additional Key Spare Parts Kit components for gas ovens Key Spare Parts Kit components all ovens

PS300F specifications

The Middleby Marshall PS300F is an advanced pizza oven designed for high-volume operations while ensuring consistent quality and superior performance. This innovative oven combines cutting-edge technology with user-friendly features, making it an ideal choice for restaurants, pizzerias, and foodservice operations that demand efficiency and speed.

One of the standout features of the PS300F is its patented airflow technology. This system is designed to circulate hot air evenly throughout the cooking chamber, which helps create a perfectly baked pizza with a crispy crust and thoroughly cooked toppings. The even heat distribution ensures that every inch of the pizza receives the same level of cooking, reducing the chances of hot or cold spots that can affect the overall quality.

The PS300F is equipped with a double-deck design, allowing for increased production capacity without requiring additional floor space. Each deck can accommodate multiple pizzas at once, making it an ideal choice for busy establishments where speed is crucial. Operators can load pizzas into both decks simultaneously, significantly reducing cooking times during peak hours.

Another key characteristic of the PS300F is its digital control panel. This user-friendly interface allows operators to set precise cooking times and temperatures, ensuring optimal results every time. The oven also features programmable settings, enabling users to save specific cooking parameters for different types of pizzas, simplifying the process during high-volume service.

Energy efficiency is another important consideration in the design of the PS300F. The oven is constructed with high-quality insulation to minimize heat loss, contributing to lower energy consumption. This makes it not only an environmentally friendly option but also a cost-effective choice for businesses looking to reduce their utility bills.

Durability is a hallmark of the Middleby Marshall brand, and the PS300F exemplifies this commitment to quality. Built with robust materials and designed to withstand the rigors of a busy kitchen, this oven promises longevity and reliable performance.

In conclusion, the Middleby Marshall PS300F is a top-tier pizza oven that brings together innovative technology, efficiency, and durability. Its advanced features make it an excellent investment for any foodservice operation focused on delivering high-quality pizzas in a fast-paced environment. With its combination of performance and ease of use, the PS300F is poised to enhance any culinary experience.
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