Middleby Cooking Systems Group PS520E User Manual

Page 21

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. ONE COOLING FAN GRILLE AT THE REAR OF THE
OVEN MUST CLEANED DAILY - Clean grille with a stiff
nylon type brush.

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

IMPORTANT NOTE

The cooling fan operates when the blower switch

is turned to “ON” or “I”. It must operate to keep

the electrical control cabinet below 140

F (60

C).

WARNING

IF FAN BLADE IS NOT ROTATING, BROKEN,

OR FAN ASSEMBLY IS MISSING FROM MAIN

BLOWER MOTOR SHAFT, DO NOT OPERATE

OVEN. REPLACE COOLING FAN BLADE

BEFORE OPERATING OVEN. Serious damage

could be done to the burner blower motor and/or

solid-state electrical components if oven is

operated while cooling fan is not running or vent

grille is plugged.

3. Using a stiff nylon brush clean control compartment
vent grille.

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.

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 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 Fan Grille

Figure 4-1. Oven Cooling Fans

Figure 4-2. Conveyor Belt and

Crumb Pan Cleaning