Section III. BACK HOE ASSEMBLY

TM-5-3810-207-20 Crane-Shovel Basic Unit Truck Mounted: 20 Ton 3/4 Cu.Yd. Gasoline Driven (Quickway Model M-200) Non-Winterized Manual
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TM 5-3810-207-20/TO 36C23-3-37-12 Figure 99. Catwalk for the pile leads, exploded View. Section III. BACK HOE ASSEMBLY 176. General The back hoe boom is an one-piece welded construction. The hoe bucket is attached to the hoe handle which pivots at the end of the boom. An auxiliary gantry is attached at the foot of the hoe boom to support the hoist cable. The boom is attached to the revolving frame by means of a hinge shaft extending through both boom foot hinges. 177. Back Hoe Bridle Block a. Removal. (1) Remove the back hoe assembly from the revolving frame. (TM 5-3810-207-10). (2) Remove the cables from the back hoe (TM 5-3810-207-10). (3) Remove the bridle block from the hoe handle in the numerical sequence as instructed on figure 100. b. Cleaning, Inspection, and Repair. (1) Clean all parts with an approved cleaning solvent. (2) Inspect all parts for breaks, excessive wear, and other damage. Repair or replace all parts as necessary. c. Installation. (1) Install the bridle block on the hoe handle in the reverse of the numerical sequence as illustrated on figure 100. (2) Install the back hoe assembly on the revolving frame (TM 5-3810-207-10). (3) Install the cables (TM 53810-207-10). 178. Back Hoe Ball Block, Bucket, and Handle a. Removal. (1) Remove the cables from back hoe assembly (TM 5-3810-207-10). (2) Remove the bridle block (par. 177). (3) Remove the bail block, bucket, and handle in the numerical sequence as instructed on figure 101. b. Disassembly. Disassemble the bail block in the reverse numerical sequence as illustrated on figure 102. c. Cleaning, Inspection, and Repair. (1) Clean all parts with an approved cleaning solvent. 141

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