TM 5-3810-207-20/TO 36C23-3-37-12sprocket are connected by the main hoist drive chainwhich is a double-strand, roller-type chain. The boomhoist drive sprocket and boom shaft drive sprocket areconnected by a single-strand, roller-type drive chain.152. Main Drum Drive Chain Guarda.Removal.Remove the main drum drivechain guard as instructed on figure 78.Figure 78. Main drum drive chain guard, removal and installation.114
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