SANY SY50U, Руководство по эксплуатации и обслуживанию

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SY50U Excavator OMM Maintenance
SANY
Operation and Maintenance Manual — 0120
5-35
TABLE OF
CONTENTS
INTRODUCTION
SAFETY
MACHINE
CONTROLS
MACHINE
OPERA
TION
MAINTENANCE
SPECIFICA
TIONS
OPTIONAL
EQUIPMENT
Inspect and Clean the Cooling Package
1. Prepare the machine for service. See “Maintenance
Safety” on page 2-8.
2. Open the engine hood and the right rear access door.
NOTE:
• Maintain a minimum distance of
12 in. (30
cm) from the cooling
fins during cleaning.
• Direct flow straight through the fins to prevent
damage.
• Do not use excessive pressure.
3. Check the front and rear of the radiator (1), hydraulic oil cooler (2), and air conditioning condenser (3) for dirt
or debris. Use compressed air or pressurized water in the opposite direction of the air flow through the cooling
package.
• For light dirt buildup, clean the cooling package with compressed air. Do not exceed 90 psi (621 kPa).
• For heavy dirt buildup, clean the cooling package using a high pressure washer with soap and water.
Do not exceed 290 psi (2000 kPa).
4. Check the fins for deformation, corrosion, and cracks after cleaning. Repair the component immediately if
damaged cooling fins are found.
5. Check the hose clamps. Tighten them as necessary.
WARNING!
• Do not allow compressed air, pressurized water, or steam to come into contact with skin.
• Always wear goggles, gloves, and other personal protective equipment (PPE).
Failure to follow these warnings could result in death or serious injury.
NOTICE!
• Compressed air, high-pressure water, or steam can damage the cooling fins. To prevent
cooling fin damage, keep the nozzle at a safe distance during cleaning.
• Damaged cooling fins may lead to leaks and overheating. In dusty environments, inspect
the cooling fins daily regardless of the maintenance schedule.
Fig. 5-26 0003081
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