Access Instructions - Truma Combi Service Handbook

Access Instructions

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A
Step 2: Remove Fan Wheel Cover by removing (4) labeled T20 Torx
screws.
Step 3: The Fan Wheel must be separated from the Circulation Air Fan Motor Shaft by loosening the 2mm threaded bolt which is
tightened to the flat portion of the Motor Shaft. Once reassembled, the end of the Fan Wheel should be flush with the end of the
Motor Shaft so that it spins freely without rubbing on the housing before being secured by the 2mm threaded bolt.
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Step 4: Remove the PCB Cover by removing the (2) labeled T20 Torx
screws. The Cover can then be removed by freeing the (2) clips at the
bottom of the Cover by pulling down and away.
If access to components such as the Circulation Air Fan must be
achieved after proper troubleshooting:
Step 1: Remove (4) labeled T20 Torx screws and remove Combi End
Cover.
A) – Access to the Combustion Air Fan can be achieved by lifting off
cover plate labeled "A". Combustion Air Fan is secured into place with
(3) T20 Torx screws. Replacement Combustion Air Fan is one entire
assembly and comes with new O-ring.
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Step 5: The Circulation Air Fan Motor can now
be removed from the housing by disconnecting
the wiring harness to the PCB and removing
the (2) labeled Phillips head screws.
Replacement screws come with replacement
Circulation Air Fan Motor.
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