WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Weichai America Corp. 6.1.2 CCV Breather System Disassembly Procedure 1. Loosen the clamps on the air outlet. Remove all air outlet formed and rubber hoses. 2. Loosen the clamps on the oil return pipe. Remove the oil return pipe and hose. 3. Loosen the clamps on the air inlet. Remove all air inlet formed and rubber hoses. 4. Loosen the bolts fixing the breather to the breather bracket. Remove the breather completely. 5. Loosen the bolts fixing the breather bracket to the engine block. Remove the breather bracket. 6. Remove the bypass port from the engine block. Remove the bypass port, bolt, washer, and O- ring.
6.1.3 CCV Breather System Assembly Procedure 1. Install the bypass port with a new O-ring. Each O-ring can only be used once. 2. Install the breather bracket. 3. Install the breather. 4. Install all formed and rubber hoses, oil pipes and hoses, and clamps. 6.1.4 CCV Breather System Inspection and Maintenance Inspection: 1) Check the breather system appearance for any parts that are damaged or flawed. Replace the damaged or flawed parts. 2) Check for any oil leakages in the system. Check for proper air flow by blowing air into the CCV breather. If resistance is high, clean the breather element. If the problem persists, replace the breather element.
6.2 CCV Breather Assembly and Disassembly 6.2.1 CCV Breather Exploded View Revision: August 2019 24 GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM 7 Hex Nut 17 Rubber Hose 27 Clamp 8 Clamp 18 Formed Hose 28 Bolt 9 Bracket 19 Bolt 29 Oil Return Pipe 10 Hex Bolt 20 Washer 30 Nut