Why must you operate the exhaust blower

Running the exhaust blower will expel fuel or exhaust vapors trapped in the engine compartment. To rid the engine compartment of gas fumes, thus reducing the possibility of explosion. The intake hose should be located inside.

The ventilation system removes fuel vapors from the bilge by . No speed=no air exchange under the doghouse.

This will help eliminate fuel vapors in the bilge.

Before starting the engine, sniff the bilge and engine compartment for fuel vapors.

Continue ventilating until you cannot smell any fuel vapors. To legally operate your vessel, both the Coast Guard and the states require you to carry certain equipment aboard your boat. Fueling and ventilation – Questions: 1. At the fuel dock, list several safe fueling practices? Why should you keep the nozzle of the fill hose in contact with the tank or fill opening? After fueling, explain several safety practices.

How long should the blower run before starting the engine? If you must refuel after dark, use only electric lights. At least one exhaust duct must extend from the open atmosphere to the lower bilge.

Each exhaust blower or combination of blowers must be rated at an air flow capacity not less than that computed by the formulas given in Table 183. The inlet ports in the cylinder wall start to uncover after the exhaust opening has decreased the cylinder pressure to the inlet pressure produced by the blower. The spark plug is an important component of the ignition system and is the one that must operate under the most severe conditions.

Exhaust brakes are manufactured by many companies. The brakes vary in design, but essentially operate as described above. More advanced exhaust brakes have . Of course, the blower must also be activated after . Plan carefully to ensure that vapors are exhausted properly. Ductwork with remote blower installation. It is recommended that the exhaust vent be cleaned bi- annually or after every two tons of pellets.

DO NOT OPERATE your laser with inadequate or leaking exhaust. The drawings below show the typical exhaust setup. The left drawing shows the exhaust near the machine and the right. The muffler or catalytic muffler and surrounding cover may become extremely hot. Always keep clear of exhaust and muffler area, otherwise serious personal injury may occur.

Eye protection that meets ANSI Z87. CE requirements must be worn whenever you operate the unit. As the air is forced upwar the internal blower motor pushes it through the ductwork in the direction of its final destination, be it the roof, or soffit.

A fan should not exhaust to the attic space. Everything You Want to Know About Superchargers. There are currently three basic types of superchargers being sold in the performance market today: the Roots type, centrifugal, and screw type.