6.3 Exhaust and Combustion Air System ...............................................................................................................
26
6.3.1 Pressure Equalizer (Exhaust/Intake Ouct) ...........................................................................................
26
6.3.2 Exhaust Silencer ...................................................................................................................................
26
6.3.3 Flexible Exhaust Pipe ...........................................................................................................................
26
6.3.4 Combustion Air Pipe ............................................................................................................................. 26
6.4 Electrical Parts .................................................................................................................................................. 27
6.4.1 Electronic Control Unit ......................................................................................................................... 27
6.4.2 Resistor (Part Load) ............................................................................................................................. 28
6.4.3 Glow Plug Series Resistor
0.61
ohms (optional) ................................................................................. 28
6.4.4 Glow Plug Series Resistor 0.27 ohms (optional) ................................................................................. 28
6.4.5 Pulse-Controlled Glow Plug Relay (only in conjunction with
SG
1561) (optional) ............................. 29
6.4.6 Wiring Harness
HL
24/32 ..................................................................................................................... 30
6.4.7 Wiring Harness Air
Top
24/32 ...............................................................................................................
31
6.4.8 Conversion Kit ...................................................................................................................................... 32
7
Notes on Repair
and
Disassembly ...................................................................................................................... 33
7.1
General Important Repair Instructions .............................................................................................................. 33
7.1.1 Installation and Removal of Heater ...................................................................................................... 33
7 .1.2 Work
on
the Vehicle .............................................................................................................................. 33
7 .1.3 Test
Run
of the Heater ......................................................................................................................... 33
7.2 Disassembly Instructions ..................................................................................................................................
34
7.3 Tools and Measuring lnstruments ..................................................................................................................... 36
7
.3.1
Testing Device ...................................................................................................................................... 36
7 .3.2 Glow Plug Wrench ................................................................................................................................ 36
7.3.3 Measuring Tools and lnstruments ........................................................................................................ 36
8 Maintenance
of
the Heater ....................................................................................................................................
37
9
Wiring
diagrams
..................................................................................................................................................... 38
3
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