lavina LB36G-S User Manual page 17

Superabrasive
OPERATING THE MACHINE
After the engine is started, let it work on-site for 30 seconds. Then feed it to reach working speed.
Lower the working head to the floor while the machine is moving slowly forward.
Guide the machine in straight lines across the floor, slightly overlapping the previously completed surface with each new line.
Work at a constant speed, allowing the tools time to work at a speed appropriate for the tools' grit size. Avoid vibrations. Do
not stop the machine while tools are still running as they will mark the surface of the floor. When working wet, select the
destination of the water feed with the water tap (fig. 4.2-1) and periodically run the pump (fig. 4.10-11) to release water onto
the floor surface. Starting the pump is possible only if the machine motor is on. When working dry, check the floor surface
periodically for dust accumulation. Check regularly to see if your vacuum works properly
Figure 4.8
STOPPING THE MACHINE
The stopping of the machine must be done gradually until the motor stops. Do not stop moving the machine before arresting
the clutch as the tools could damage the surface. To stop push Stop clutch button (2), then close (clockwise) the service valve
on the propane tank. ALWAYS allow the engine to run until it stops from lack of fuel. • ONLY IN AN EMERGENCY should the
"stop" position on Start/Stop Engine switch (1) Disconnect the fuel line from the tank. REMEMBER, when you are finished
with the machine, store the propane tank outside the building, in a SECURE place away from heat or direct sunlight. Use the
Emergency button (9) only in emergency or use it to switch the power totally off.Remember not to hold the machine in one
spot before turning off until the grinding plates stop moving.
EnviroGard employs a sensor (Fig. 4.9) in the exhaust path between the engine and the catalytic muffler to detect the oxygen
content of the exhaust before it is passed through the catalyst. The oxygen sensor does not react to nor
does it measure the CO content of the exhaust. It responds only to oxygen content.
The Control Module is set to ignore the readings from the oxygen sensor during the first three minutes
the engine is running. This period allows: The sensor to reach a stable operating temperature.
The catalyst in the muffler to reach the temperature necessary to reduce the levels of CO, nitrogen
oxides (NOx) and hydrocarbons (HC) in the exhaust.
Figure 4.9
The most common event in which the Control Module shuts down an engine is when the air filter
becomes dirty enough to restrict the air intake flow, which changes the air-fuel ratio such that the oxygen sensor signal is
outside the control limits. Once the air filter is properly cleaned, operation of the machine can be resumed.
Owner's Manual – LAVINA® LB36G-S
17
5/2018
Figure 4.9