2.21.12 V-Belt Replacement, Models 609-C and US636HCCD-l. (Continued)Idler pulley is under spring tension.Use care when pushing idler pulley.Failure to obey this warning may result in personal injury.a.Push idler pulley (Figure 2-126, 1) up to relieve tension on blower V-belts( 2 ) .b.Remove two blower V-belts (2) from cooling air blower pulley (3), crankshaftpulley (4), and idler pulley (1).2.21.12.2 Installation.a .Place two blower V-belts (2) on idler pulley (1).Idler pulley is under spring tension.Use care when pushing idler pulley.Failure to obey this warning may result in personal injury.b .Push idler pulley (1) up to provide relief for two blower V-belts (2).c .Place two blower V-belts (2) over cooling air blower pulley (3) and twooutside grooves of crankshaft pulley (4).e .Release idler pulley (1).TM 10-3420-344-242-291
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