KEN STONE XN10-8, Operation Manual

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Maintenance
Critical Safety Parts
The materials of the above-mentioned critical safety parts will deteriorate along with time to cause
wear or deteriorated performance. It’s difficult to determine the deterioration extent during periodical
checking. Therefore, such parts shall be replaced with new ones to guarantee stable performance, even
if such parts are still working well. Please be noted that, regardless of the replacement schedule, any
part with wear symptom must be replaced immediately. Upon detection of any deformed or cracked
pipe clamp, immediately replace it together with hose. Please consult with your sales or service dealer
for the replacement of safety parts.
Except the critical safety parts, check and tighten the hydraulic pipes and when necessary replace.
During the replacement of hydraulic pipes, replace the O-ring and seal ring as well.
Check the fuel and hydraulic pipes as per the schedule specified by the following table.
Refer to “Maintenance”.
Checking type Checking item
Daily routine checking
Leakage of hydraulic or fuel pipe connector
Monthly checking
Leakage of hydraulic or fuel pipe connector
Damage (Cracking, wear, and tear) of hydraulic or fuel pipe
Yearly checking
Leakage of hydraulic or fuel pipe connector
Aging, distortion, and damage (Cracking, wear, and tear) of hydraulic or
fuel pipe and/or status of hose in contact with other machine parts
5-12