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INSTALLATION
Figure 20: Two examples of top mount radiators
1
GENERAL REMARKS
A dry exhaust muffler system should be very effective in
silencing the exhaust when applying the right mufflers.
However noise could be generated by vibrations in the
mufflers and be transferred to the chassis. Tacit factors like
the length of specific pipe sections could cause the noise to
be amplified. It is very difficult to take these factors into
account.
Figure 21: Dry exhaust systems on mobile/land applications
The standard WhisperPower exhaust kit contains the
materials to perform a professional installation. In the kit is
a stainless-steel flexible bellow (hose) to allow for
expansion and to prevent vibrations to be transferred.
Rubbers are supplied to mount the mufflers flexible. The
insulation blanket for the flexible bellow and the resonance
muffler are also very effective in damping vibrations. Still it
could be that additional measures has to be taken like an
extra clamp in a vibrating section of pipe, insulation blankets
on other parts of the system and possibly even additional
mufflers.
When the exhaust is led through the roof
of a vehicle, measures has to be taken to
prevent rainwater to enter the system.
Special rain caps are available as an
option.
14
Figure 22: Ways to prevent water to get in
A negative feature of a dry exhaust system is the heat
radiated by its components. Measures are taken to
overcome the heat problem: The exhaust bent to bring the
exhaust out of the canopy is cooled by water. Insulation
blankets are included in the exhaust kit to insulate the
flexible bellow and the first muffler.
When a dry exhaust has its outlet on the roof, all the pipes
inside the vehicle have to be insulated.
The exhaust pipes will be very hot and all
accessible pipes and mufflers are
dangerous to people when not insulated.
There are companies that are specialized in insulating hot
pipes and fancy systems are available to make it good
looking. However it is also possible to do it yourself by
winding fiberglass or Rockwool around the pipes and seal it
with aluminum tape.
2
THE STANDARD DRY EXHAUST SYSTEM
The standard exhaust system contains:
On the generator set:
•
An insulated exhaust bent
In the exhaust installation kit:
•
A stainless steel shielded flexible bellow.
•
One resonance muffler
•
One absorption muffler
•
Clamps and rubbers to mount the system flexible
•
Fittings, bents and pipes to make the different
connections
•
Blankets for thermal and sound insulation.
The mufflers are high quality industrial mufflers that are
much more effective, robust and durable than mufflers
made for automotive use.
June 2021 W-SQ-Pro 15 and W-SQ-Pro 18
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