Shandong Nuoman Engineering Machinery Co.,Ltd
Business Room, No. 7, Zhongshan West Road, Gulou Street Office, Yanzhou Dist., Jining, Shandong, CN
TEL/Fax:+8618266821667 Whatsapp/Wechat:+8618266821667
Maintenance under the special cases
Precautions for maintenance
Before operation, check all the drain plugs are tightened up.
Moor land, rainy or snowy
After operation, clean machine and check bolts and nuts for break, damage,
looseness or loss. Lubricate all parts to be lubricated on time.
Before operation, check all the drain plugs are tightened up.
After work, thoroughly clean the clean to remove the salt. Frequently maintain
the electrical system from being corroded.
Air filter: clean the filter element periodically or at shorter interval
Radiator: clean the oil cooler screen to avoid any blockage.
Fuel system: clean the filter and its element periodically or at shorter interval.
Electrical devices: periodically clean it, specially the AC generator and starter’s
Track: careful operations Frequently check if bolts and nuts are broken, damaged
or lost. Loosen the track a little than the usual.
Work equipment: parts may be damaged on stony roads, and therefore please use
the reinforced bucket or heavy-duty bucket. .
Fuel: use the high fuel suitable for low temperature
Lubricant: hydraulic oil and engine oil with dry quality and low viscosity.
Battery: keep the battery fully charged and maintain it at shorter interval. The
electrolyte may be frozen if it is not fully charged.
Track: keep the track clean. Park the machine on solid ground to avoid the track
Roof at driver seat: add the protective for cab roof if needed to prevent the
machine from being damaged with falling stone.
1. Repair any worn or damaged parts, and put the new one if needed. .
2. Clean the primary air filter elements.
3. If possible, retract all the hydraulic cylinders. If not, grease all the plungers exposed out of cylinder.
4. Lubricate all the grease points.
5. Put the track on the solid and long pad.
6. Cleaning of machine especially in winter, clean each part of excavator, especially the track.
7. Fully charged, the battery should be stored at dry and safe site. If battery cannot be taken down, separate the
battery negative pole from (-) pole.
8. Painting if needed to avoid rusting.
9. Store the machine at dry and safe site. If outdoors, it should be covered with water-proof cloth.
10. If machine is to be stored for long time, run it at least once each month.
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