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Shire 70WB
Part Description
Exhaust Coupling 2" x 2" BSP
Exhaust Silencer 2" BSP
Flexible Exhaust Hose 2" BSP (24")
Hospital Silencer 2" BSP
18" Flexible Exhaust Hose Blanket
2" Equal Elbow BSP
Make sure the exhaust increases then decreases in height as shown in (Figure 14).
Work Boat with Water Injected Exhaust:
If the engine is installed low down in the boat, below the outside water level, a system such
as a Lift Silencer with a siphon break system, must be used to prevent sea water from flowing
back down the exhaust and into the engine.
• Lift Silencer
The correct installation of the lift silencer is vital to safety, and to avoid back flooding of
the engine. Figure 15 shows how to install the lift silencer correctly (Note: Halyard (M&I)
Limited have given Barrus permission to use the diagram).
RDG603A81 – Issue 2
Figure 14: Correct Exhaust Installation
Part Number
RDG9048003
RDG9048005
RDG9048004
RDG9048364
RDG2477
RDG9048002
Page 32 of 93
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