Service manual
P r e v e n t a t i v e   M a i n t e n a n c e   •   C o m b i t h e r m   C t   e x p r e s s   t e C h n i C a l   s e r v i C e   m a n u a l   •   b – 3
PREVENTATIVE MAINTENANCE
PREVENTATIVE MAINTENANCE
In addition to the routine cleaning and maintenance 
procedures, there are several additional steps to be 
taken for both sanitation and to keep the oven running 
efciently. These additional safeguards will help prevent 
down time and costly repairs.
DO NOT DISPOSE OF GREASE, FAT, WOOD CHIPS 
OR SOLID WASTE DOWN THE OVEN DRAIN.  
Fats and solids will eventually coagulate in the drain 
system, causing blockage. Consequently, water 
will back-up into the condenser and interior oven 
compartment, resulting in an oven that is inoperable.
MAKE CERTAIN THE DRAIN SCREEN IS ALWAYS 
IN PLACE. REMOVE ANY SOLID WASTE MATERIAL 
FROM THE DRAIN SCREEN BEFORE IT ENTERS THE 
DRAIN SYSTEM.  
The routine removal of solids from the drain screen will 
help prevent blockage. 
USE THE AUTHORIZED COMBITHERM OVEN 
CLEANER ONLY.  
The use of unauthorized cleaning agents may discolor or 
harm the interior surfaces of the oven.
TO PROLONG THE LIFE OF THE DOOR GASKET, 
CLEAN THIS ITEM DAILY.  
The acids and related compounds found in fat, 
particularly chicken fat, will weaken the composition of 
the gasket unless cleaned on a daily basis. Wipe with a 
hot, soapy cloth.
TO ADDITIONALLY PROTECT GASKET LIFE, 
ALLOW OVEN DOOR TO REMAIN SLIGHTLY OPEN 
AT THE END OF THE PRODUCTION DAY.  
An open door will relieve the pressure on the door gasket.
ROUTINELY CLEAN DOOR HINGES.  
Open oven door to relieve tension. Clean all parts of 
the hinge.
PROBE CABLE PLACEMENT.  
The probe cable should not be placed near the broiler 
element at the top of the oven.
DANGER
AT NO TIME SHOULD THE INTERIOR 
OR EXTERIOR BE STEAM CLEANED, 
HOSED DOWN, OR FLOODED WITH 
WATER OR LIQUID SOLUTION OF 
ANY KIND. DO NOT USE WATER JET 
TO CLEAN.
SEVERE DAMAGE OR 
ELECTRICAL HAZARD 
COULD RESULT.
WARRANTY BECOMES VOID IF 
APPLIANCE IS FLOODED
When smoking is completed, remove smoker box 
from oven. Dispose of wood chips in a reproof 
waste receptacle.










