Operation and Maintenance Manual forWP10 Series Four-valve Diesel Engine (China IV, V)
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Check the intake system (figure 5-16)
Check the intake hose for cracks due to aging, and check the clamp for loosening. When necessary, tighten or
replace the related parts to ensure the tightness of intake system.
Figure 5-16 Intake system
Check the air filter element
Figure 5-17 Air filter element checking
The maximum allowable intake resistance of the diesel engine is 7kPa. Please check the maximum intake
resistance only when the diesel engine is running at rated speed and full load. If the intake resistance reaches the
maximum permissible limit, please clean or replace the filter element timely as per the manufacturer’s
instructions.
Notice: It’s absolutely prohibited to run the engine without the air filter; otherwise, dust and foreign matters may
get into the cylinder of diesel engine to cause early wear of diesel engine.
Dismantle the filter element from the air filter, and tap the end face of filter element or blow with compressed air
(from inside out) to remove the dust.
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