296 FARM MACHINERY REPAIR 



10) Trip the impulse starter, if any. 



11) Prime the motor with gasoline if weather is cold. 



12) Crank the motor. 



B. Tractor operation. 



1) To start the tractor forward or reverse, (a) see that the 

 pulley wheel is not revolving; (6) see that clutch is not 

 engaged; (c) shift gears slowly if they do not mesh, en- 

 gage the clutch slightly, then disengage it continue the 

 process until gears mesh; (d) engage clutch and the trac- 

 tor should run. 



2) To stop tractor, (a) disengage clutch; (b) apply brake if 

 necessary; (c) shift gears to neutral position. 



3) Take tractor outside and practice starting and stopping, 

 (a) Run forward a few yards in low, then stop ; (b) reverse, 

 run backward a few yards, then stop; (c) run forward a 

 few yards in high, then stop; (d) turn the tractor around, 

 as in plowing, and note the space required to turn it in. 



4) Examine the tractor carefully and see that it is in perfect 

 condition. Clean off dust or dirt. 



5) Drive tractor back into building under supervision of 

 some one who has had experience. 



C. If possible, make study of a tractor while plowing in the 

 field, and obtain the following information : 



1) Number of plow bottoms. 



2) Size and type of plow. 



3) Length of furrows. 



4) Width of furrows. 



5) Depth of furrows. 



6) Time required to plow a furrow. 



7) Time required for turning. 



