. Handbook for rangers & woodsmen . o the sand board as shoy\Ti in Fig. 144,should be equipped with a catch which locks it to the upperplate and prevents the king bolt from being withdravvTi bj^ thebolster if a tightly- fitting bed is to be removed. It should alsohave a raised center as shown in the same figure. This preventswear or breakage of the king bolt and serves to steady a top-heavyload. This bolster is kno^Ti also as a rocking bolster. Rear Bolster.—This bolster is rigidly clipped to the rear axleas sho\sTi in Fig. .146. Other fittings, except lower plates whichthese bolsters do not h
. Handbook for rangers & woodsmen . o the sand board as shoy\Ti in Fig. 144,should be equipped with a catch which locks it to the upperplate and prevents the king bolt from being withdravvTi bj^ thebolster if a tightly- fitting bed is to be removed. It should alsohave a raised center as shown in the same figure. This preventswear or breakage of the king bolt and serves to steady a top-heavyload. This bolster is kno^Ti also as a rocking bolster. Rear Bolster.—This bolster is rigidly clipped to the rear axleas sho\sTi in Fig. .146. Other fittings, except lower plates whichthese bolsters do not have, should be the same as for the frontbolster. Brake.—A regular mountain brake is shown in Fig. 146 andthis style should be used in all mountain hauling. The blocks 160 HANDBOOK FOR RANGERS AND WOODSMEN should be kept in good repair and should be heavy enough towithstand the hardest usage. They are fastened in the shoesby being beveled inward from the rear edges. The most satis- Raised Center False False stakestake. Fig. 143. Fig. Stake iron- -Bolster plates fl Stake- 1|l|»kStake ring ? 1 Ply Stake brace I 11111M ,il!l|iiiii 411111 TTn Wtmv I. A 1 lllflllllll ^^^^^^^y ^^^^Truss Rod Fig. 145.—Front or rocking bolster. factory and convenient method of keeping them in good condi-tion is to nail pieces of 1- or 2-inch plank to the faces and therebyprevent direct contact of the blocks with the tires. Other pieces GENEEAL FIELD WORK IGl may be nailed on as the old ones are worn through or torn shoes will be found preferable to wooden shoes, as the lattercatch grit that soon becomes imbedded in them and causes Brake Roller Stake IronStake Ring Skein Shoulder
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforestsandforestry
