• Put A1313-2 into central nut (M 48 x P 1.5). (Fig. A)
• Installed A1313-1 outside of A1313-2, put ratchet wrench to A1313-2 and fixed central nut. Turning A1313-1 and loosen outer bolt nut (M 48 x P 1.5). (Fig. B)
• Take A1313-1 and A1313-2 off, removes outer and central nut. Then replaces oil seal.