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DRIVE PULLEY MOUNTING
Drive pulley and belt are rnounted in the drive shaft of the tractor. Refer to Figs. 3 & 4.
Remove two capscrews joining the front flex coupling
to the engine pulley. (See Fig. 3)
Discard the two spacers between coupling and engine pulley. Insert hydraulic pump drive
pulley with belt. (See Fig. 4) Replace capscrews through pulley.
CYLINDER BRACKET MOUNTING (Fig. 5)
Remove front pivot pin from yoke in rear lift rod. Remove two upper capscrews from bevel gear housing. Mount cylinder mounting bracket with two longer capscrews provided.
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[Source: Allis-Chalmers publication, Form No. TM-431, included in B-12 Owners Manual courtesy of Mark Waite & Joel Wicker]