Combustion Air Fan (5) And Motor (2) - Webasto DBW 2010 Service And Repair Manual

Used in combination with the vehicle’s own heating installation to heat the passenger compartment, defrost the windshield, preheat water-cooled engines, in self-contained cargo heating applications
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GENERAL DESCRIPTION
2.1.7
C
A
OMBUSTION
IR
The combustion air fan supplies the air necessary for
combustion.
There are two different fan designs in use:
DBW 2010 — lateral canal fan
DBW 2020/300 — radial fan
Figure 7:
Combustion Air Fans
Webasto Product N.A., Inc.
F
(5)
M
(2)
AN
AND
OTOR
DBW 2010
Cap
DBW 2010/2020/300 COOLANT HEATERS
The motor, through a coupling, drives the combustion air
fan, and through a toothed gearing, the fuel pump.
Rated motor r.p.m.:
Drive motor
14
DBW 2010
4500 RPM
DBW 2020
5000 RPM
DBW 300
5800 RPM
Fan wheel
DBW 2020/300
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