Middleby Marshall PS360G Gas, Owner'S Operating And Installation Manual

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26
II. MAINTENANCE – MONTHLY
NOTE:
When removing the conveyor, refer to Figure 2-12 (in
Section 2, Installation).
A.
Check that the oven is cool and the power is
disconnected as described in the warning at the
beginning of this section.
B.
Remove the crumb trays from the oven.
C.
Lift the drive end of the conveyor slightly, and push it
forward into the oven. This removes the tension from the
drive chain. Remove the drive chain from the conveyor
sprocket.
D.
Slide the conveyor out of the oven, folding at as it is
removed.
E.
Remove the end plugs from the oven. The end plugs are
shown in Figure 1-1 (in Section 1, Description).
F.
Slide the air fingers and blank plates out of the oven, as
shown in Figure 4-2. AS EACH FINGER OR PLATE IS
REMOVED, WRITE A “LOCATION CODE” ON IT WITH
A MARKER to make sure it can be reinstalled correctly.
Example of markings:
Top Row

T1 T2 T3 T4
Bottom Row 
B1 B2 B3 B4
G.
Disassemble the air fingers as shown in Figure 4-3. AS
EACH FINGER IS DISASSEMBLED, WRITE THE
“LOCATION CODE” FOR THE FINGER ON ALL THREE
OF ITS PIECES. This will help you in correctly
reassembling the air fingers.
Incorrect reassembly of the air fingers will
change the baking properties of the oven.
H.
Clean the air finger components and the interior of the
baking chamber using a vacuum cleaner and a damp
cloth. Refer to the boxed warnings at the beginning of
this Section for cleaning precautions.
I.
Reassemble the air fingers. Then replace them in the
oven, using the “location codes” as a guide.
J.
Replace the end plugs on the oven.
K.
Reassemble the conveyor into the oven. If the drive
sprocket was removed when installing the conveyor,
replace it at this time.
L.
Reattach the drive chain.
M.
Check the tension of the conveyor belt as shown in
Figure 2-14 (in Section 2, Installation). The belt should lift
1” (25.4mm) DO NOT OVERTIGHTEN THE CONVEYOR
BELT. If necessary, the belt tension can be adjusted by
turning the conveyor adjustment screws, located at the
idler (left) end of the conveyor
N.
Replace the crumb trays.