WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Weichai America Corp. flywheel housing and engine block. Bolts and tools: M10-10.9 hexagon bolts (Ч12), M12-10.9 hexagon bolts (Ч6), 17mm and 19mm socket spanner. Step 1: Preassemble the bolts Step 2: Follow the sequence of arrow to tighten the M10 bolts, tighten torque for M10 bolts is 80~85Nm. And then tighten the M12 bolts according to the marked order 1-2-3-4-5-6, tighten torque for M12 bolts is 140~145Nm. NOTICE: For the strengthening bolts listed above, the thread and bearing surface of each bolt should be applied with lubricating oil before assembling.
11.2 Assembly and disassembly of flywheel and ring gear 11.2.1 Exploded view of flywheel and ring gear Revision: August 2019 57 GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM