Kohler 13ERG User Manual download pdf (Page 18)

TP-6335 9/048 Exhaust System

4.1 Planning

Carefully plan the generator exhaust system to ensure a

safe, quiet installation. Verify that the installation

complies with all state and local requirements and

applicable articles of the codes listed at the beginning of

this manual.

4.2 Clearance Requirements

Kohler Co. recommends a minimum clearance of

38 mm (1 1/2 in.) between the exhaust system parts

and the fuel system, the electrical system, and all

combustible components to protect the generator set

components and to avoid igniting adjacent combustible

materials.

4.3 Exhaust Piping, If Used

Route the exhaust piping to maintain minimum

clearances and to minimize exhaust piping bends. Use

a tail pipe as short as possible with as few bends as

possible to reduce back pressure. Design the exhaust

piping to prevent excessive back pressure of the

unit-mounted muffler, if equipped. See Figure 4-1 for

the allowable exhaust back pressure. Do not apply

weight or pressure to the unit-mounted muffler,

otherwise premature exhaust-system damage will

occur. Adding exhaust-pipe extensions to the

unit-mounted muffler may cause excessive vibration

and noise transmitted to the vehicle.

For generator sets without a unit-mounted muffler,

install a muffler made of aluminized steel or other

corrosion-resistant material of welded or crimped

construction.

Model

Allowable Exhaust

Back Pressure

10/13/15ERG < 10.2 kPa (3.0 in. Hg)

Figure 4-1 Allowable Exhaust Back Pressure

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 51 52

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Kohler 13ERG User Manual Page 18