10 FARM MECHANICS 



PART V 

 FARM MACHINERY REPAIR AND ADJUSTMENT 



CHAPTER XXV. FARM MACHINERY AS AN ECONOMIC 

 f FACTOR 262 



232. Farm machinery and national progress. 233. Latest ma- 

 chinery most economical. 234. Influence of farm machinery 

 on income. 235. The problem of farm power. 236. Wasting 

 power and machinery on the farm. 237. Three considerations 

 housing, repairing and painting. 



CHAPTER XXVI. TOOLS AND MATERIALS NEEDED FOR 



MACHINERY REPAIR 272 



238. Necessity for good tools. 239. Wrenches. 240. Vise. 

 241. Hammers. 242. Chisels. 243. Files. 244. Screw-drivers. 

 245. Pliers. 246. Hack-saw. 247. Drills. 248. Stock taps and 

 dies. 249. Materials needed. 



CHAPTER XXVII. How TO STUDY FARM MACHINERY 276 



250. Three methods of approach. 251. Tillage machinery. 252. 

 Study of seeding machinery. 253. Study of fertilizer drills, ma- 

 nure and straw spreaders. 254. Study of haying machinery. 255. 

 Harvesting machinery. 256. Study of power-driven machines. 



257. Study of gas engines, tractors and trucks. 



CHAPTER XXVIII. PROJECTS IN FARM MACHINERY OP- 

 ERATION 282 



258. Conditions for carrying out projects. 259. Preparation of 

 land for planting. 260. Planting corn. 261. Drilling grain. 262. 

 Harvesting corn for silage. 263. Harvesting grain. 264. Harvest- 

 ing hay crops. 265. Operating household equipment. 266. Gas 

 tractor operation. 



CHAPTER XXIX. PROJECTS IN FARM MACHINERY RE- 

 PAIR 298 



267. Proper time for checking up needed repairs. 268. Repair 

 and adjustment of tillage machinery. 269. Repairing a walking 

 plow. 270. Walking plow adjustment. 271. Sulky and gang 

 plows. 272. Adjusting sulky or gang plow. 273. Repair of peg- 



