TP-6773 5/12a 23Section 4 Exhaust System
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1. Cap
2. Reed valve
3. Mounting base
4. Maximum silencer internal vertical lift of 1.2 m (4 ft.)
5. Exhaust mixer elbow distance above waterline; if less than
23 cm (9 in.), a siphon break is required
6. Minimum siphon break distance above waterline of 30.5 cm
(1 ft.)
7. Siphon break
8. Exhaust mixer
9. Heat exchanger
10. Coolant recovery bottle
11. Seawater strainer
12. Seacock
13. Intake strainer
14. Engine-driven seawater pump
15. Minimum exhaust hose pitch of 1.3 cm per 30.5 cm (0.5 in.
per ft.)
16. Maximum distance between silencer and exhaust mixer
elbow of 3 m (10 ft.)
17. Water drain distance below waterline
18. Combination silencer that contains lift muffler and gas water
separating sections in single component (customer-supplied)
19. Distance above waterline for drain outlet from silencer must
be equal to or greater than water drain (item 17) to be greater
than 30.5 cm (1 ft.)
20. Exhaust outlet to be diameter appropriate so exhaust back
pressure does not exceed limit at engine exhaust manifold
21. Minimum exhaust outlet distance above waterline of 10 cm
(4 in.)
22. Exhaust hose
23. Height of internal lift tube to be below generator exhaust
manifold
24. Kohler recommends generator be located at elevation that
exhaust mixer elbow is above silencer exhaust outlet
25. Seawater pump lift
26. Waterline
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4
5
6
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8
9
10
11
12
13
14
15
16
17
18
19
20
21
23
24
25
22
15
15
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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: Data applies to both rear- and side-exhaust
installations.
Note: Damage caused by water ingestion will not be
covered by the generator warranty.
Figure 4-8 Exhaust System with Combination Silencer/Gas Water Separator
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