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SECTION 4
MAINTENANCE
KEY SPARE PARTS KIT
An oven can be purchased with a Key Spare Parts Kit
(Figure 4-36). (The kit can be purchased when the oven is
ordered, or later, from a Middleby Marshall Authorized
Parts Distributor). The kit contains many of the crucial
parts that can reduce serious downtime and loss of
production, if a failure occurs.
Replacement parts for this kit can be purchased from your
Middleby Marshall Authorized Parts Distributor.
Figure 4-36.
PS520-SERIES ELECTRIC OVEN KEY SPARE PARTS KIT (Figure 4-36)
ITEM PART NO. ENGLISH DESCRIPTION QUANTITY
1 47321 Kit, Temperature Control On/Off Pid 1
2 51402 Relay, 100A 1
3 58500 Conveyor Drive Motor and Magnet 1
4 60542 Conveyor Speed Control 1
5 33812-5 Thermocouple* 1
6 50715 Heater Element, 208V 1
6 51017 Heater Element, 240V 1
6 51958 Heater Element, 380V 1
6 51961 Heater Element, 480V 1
7 57408 Contactor 1
8 60598 Air Switch 1
* The proper location for the thermocouple is as follows: 1) Temperature sensing is
located on the entrance end of the unit on the bottom, 2) High limit is located on the exit
end of the unit on the top, 3) High limit on the PS520 is 600 degree's.
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