7.3 describing how to operate crop conserving machine equipment Types of motorized blower with air pressure system is more practical than carried in the back motorized blower, because ; 1. The weight is lighter 2. Equipment replacement service is more simple 3. The service needs very short time 4. Easy to operate 5. Maintenance is easier

Systematic operational guide in general 1. Packaging a. Each brand of blower has different construction variation b. Having the same job principle c. Check the order of the spare parts installation d. Check and pay attention to the tightness of all the spanners e. Install blower pipes according to the order and the using aims

2. Trying how to operate blower motor a 2. Trying how to operate blower motor a. Mix fuel with oil in special plastic bottle with comparison 1 ; 25 ; 15 b. Close the faucet of the tank tidily c. Open the faucet of the fuel so that the fuel flowing into carburetor d. Start the motor and check the installation of the pipe e. Crank sprayer motor carefully.

3. Filling in liquid(fuel) and trying blowing process. a 3. Filling in liquid(fuel) and trying blowing process a. Tank should be filled with pesticide liquid which has been prepared. b. Start the motor carefully c. Trying blowing process should be done by carrying blower machine on the back d. Motor is started while motor is in high rotating speed e. When turn the motor off, close the faucet of blower