Ditchers—Continuedladder ditcher, 9-31 to 9-32muddy trenching, 9-33operating techniques, 9-32 to 9-33safety, 9-34transporting, 9-33 to 9-34wheel ditcher, 9-30wheel ditcher, digging, 9-30 to 9-31wheel ditcher, obstructions, 9-31Dozer, 11-1 to 11-10angle blade, 11-8attachments, 11-5 to 11-10dozer blades, 11-6 to 11-8front idler, 1-4lubrication, 11-5recoil spring, 11-4rippers, 11-9straight blade, 11-7 to 11-8track adjusting mechanism, 11-4 to 11-5track adjustment, 11-5track assembly, 11-2track chain, 11-2 to 11-3track frame, 11-3track frame rollers, 11-3 to 11-4track shoes, 11-3tracks and track frame, 11-2 to 11-5“u” blade, 11-8winches, 11-9 to 11-10Dozer, operating techniques, 11-10 to 11-19backfilling, 11-15brush and trees, 11-10 to 11-12bulldozing, 11-13 to 11-15clearing, 11-10 to 11-13ditching, 11-15 to 11-16finishing, 11-15finishing side slopes, 11-17 to 11-18Dozer, operating technique—Continuedpush dozer, 11-18removing rocks and boulders, 11-13safety, dozer, 11-18 to 11-19side-by-side dozing, 11-14sidehill excavation, 11-16 to 11-17slot dozing, 11-14spreading, 11-15stumping, 11-12working in wet material, 11-13Driving under hazardous conditions, 5-5 to 5-6fog and smoke, 5-6night driving, 5-6snow and ice, 5-5 to 5-6wet roads, 5-6Driving under normal conditions, 5-2 to 5-5backing up, 5-3expressway, 5-4parking, 5-3passing, 5-2periodic stop, 5-4 to 5-5turning, 5-2Driving under special conditions, 5-6 to 5-8cross-country, 5-7driving hours, 5-7mountain driving, 5-7 to 5-8sand, 5-7Dump trucks, 7-30 to 7-33characteristics, 7-31dump truck operations, 7-31EEarth augers, 14-4 to 14-7augers, 14-6 to 14-7drilling, 14-7drilling and retracting, 14-5 to 14-6leveling, 14-5INDEX-6
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