Above-Waterline Installation - Kohler 40-150EOZDJ Installation Manual

4.4.1

Above-Waterline Installation

Install a customer-supplied silencer with the silencer's
outlet at a maximum of 3 m (10 horizontal ft.) from the
center of the engine's exhaust outlet. See Figure 4-5.
Mount a typical silencer with the inlet and outlet
horizontal and with the drain plug down. Use an exhaust
Note: Data applies to both rear- and side-exhaust installations.
Note: Numbers in illustration refer to callouts below and not to
dimensions.
Note: Read the text for complete explanation of dimensions and
other installation considerations.
Note: Use two hose clamps on each end of all flexible exhaust hose
connections.
Note: Damage caused by water ingestion will not be covered by the
generator warranty.
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1. Minimum exhaust outlet distance above waterline of 10 cm
(4 in.). Note: Vessel fully loaded
2. Slight lift improves silencing and prevents water backwash
into the silencer (keep below the level of the exhaust
manifold outlet)
3. Minimum exhaust hose pitch of 1.3 cm per 30.5 cm (0.5 in.
per ft.)
4. Minimum exhaust hose pitch of 1.3 cm per 30.5 cm (0.5 in.
per ft.)
5. Exhaust manifold outlet
6. Exhaust mixer elbow
7. Heat exchanger (locations vary by model)
8. Coolant recovery tank (located on the unit on some models)
9. Locate the coolant recovery tank at the same height as the
heat exchanger
Figure 4-5 Typical Above-Waterline Installation
TP-6862 6/14
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hose pitch of at least 13 mm per 30.5 cm (0.5 in. per
running foot).
brackets or hanger straps for installation to stringers or
other suitable structure.
provided with the silencer.
Figure 4-5, item 2) in the exhaust line below the engine
exhaust manifold outlet.
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10. Maximum seawater pump lift of 3 m (10 ft.)
11. Seawater strainer
12. Intake strainer
13. Seacock
14. Engine-driven seawater pump
15. Maximum distance between silencer and exhaust mixer
elbow of 3 m (10 ft.)
16. Maximum distance between silencer and exhaust outlet of
1.5 m (5 ft.)
17. Silencer (customer-supplied)
18. Waterline
19. Maximum silencer vertical lift of 1.2 m (4 ft.)
20. Kohler recommends locating the generator set at elevation
that exhaust mixer is above the highest point of the exhaust
outlet hose.
Some silencers require two support
Follow the instructions
Install any lift (see
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Section 4 Exhaust System
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