Middleby Cooking Systems Group PS520E User Manual download pdf (Page 28)

SECTION 4

MAINTENANCE

E. Conveyor Reassembly Into Oven

1. Lift conveyor and position it in the oven as shown.

NOTE: Conveyor may be inserted into either end of

the oven. If it is ti be installed from the non-drive end of

the oven the drive sprocket assembly must be

removed as shown in conveyor disassembly section.

2. Reinstall the conveyor extension.

Figure 4-21

Figure 4-22

Conveyor Extension

F. Checking Conveyor Belt Tension

WARNING

Oven conveyor belt must be cool when adjusting belt.

Do not adjust belt if HOT.

1. With the conveyor assembly in the oven, stand at

one end of the conveyor and check tension by lifting

the conveyor belt at the center of the oven chamber

opening (see Figure 4-23). The belt should not lift

higher then 1” to 2” (75mm to 102mm).

2. If conveyor belt is still not under proper tension, an

entire link must be removed. Use the following

procedure “H. Conveyor Belt Link Removal” to

remove a link. If conveyor belt is under proper tension

proceed directly to “J. Attaching Drive Chain”.

3. Newer model PS520-Series ovens have adjustment

screws at the end to tighten the conveyor belt. If these

adjustment screws are at their limit and belt tension is

still not correct, loosen the adjustment screws,

proceed to “H. Conveyor Belt Link Removal” to

shorten the belt and then return to “F. Checking

Conveyor Belt Tension” for proper adjustment. If belt

is tensioned properly proceed directly to “J. Attaching

Drive Chain”.

Figure 4-23

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Middleby Cooking Systems Group PS520E User Manual Page 28