Weichai America Corp.
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5.
If further disassembly is required, the oil-gas separator assembly can be removed as shown in
figure 2-21.
2.12.3 Assembly steps of oil-gas separator
The oil-air separator should be assembled in the reverse order of disassembly. It is required to
ensure correct positions of all rubber tube and connectors according to Figure 2-21. At the same
time, take care to ensure the turning angle of rubber tube during assembly and fixing position can
match with the engine.
2.12.5 Inspection and repair of oil-gas separator
1.
Check each component surface for damage, crack, rubber hose hardening and other failures; if
any of the aforesaid problems is found, please renew the corresponding part;
2.
To check the oil-gas separator for blockage, you can charge the air inlet pipe of oil-gas
separator to see whether the air flow is smooth; if not, please supply pressurized air to every
pipe port of oil-gas separator to remove the impurities and oil fouling from the oil-gas
separator. After completing above operations, if the oil-gas separator is still blocked, please
renew it.
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