SANY SY155U, Руководство по эксплуатации и обслуживанию, Страница: 122 / 192

5-12
MAINTENANCE
SY155U Excavator OMM
Maintenance Schedule
Secure the Machine for Maintenance
NOTICE!
Failure to perform the following procedures when
and as directed could result in machine damage
and improper machine operation.
1. Park the machine on a flat, firm surface.
2. Obtain the maintenance log for this machine and
complete it at the close of all maintenance
procedures.
3. Read and understand all of the procedures to be
performed.
4. Prepare the machine for checks and inspections.
See “Maintenance Safety” on page 2-5.
5. Allow the machine to cool before performing
maintenance.
When Required
• Replace the primary air filter whenever the air filter
restriction warning is displayed. (See page 5-19.)
• Perform a manual (stationary) regeneration. (See
page 4-20.)
• Check the track tension. (See page 5-49.)
• Replace the bucket teeth. (See page 5-64.)
• Check the windshield washer fluid. (See page 5-18.)
Daily or Every 10 Hours
• Check the decals. (See page 2-4.)
• Check the sheet metal. (See page 5-63.)
• Inspect the track idler. (See page 5-48.)
• Drain the primary fuel filter/water separator.

(See page 5-17.)
• Check the hydraulic pump mounting fasteners.

(See page 5-47.)
• Check the hydraulic oil level. (See page 5-17.)
• Check the hydraulic hoses, lines, and connectors

(See page 5-45.)
• Check the engine coolant level. (See page 5-14.)
• Check the engine oil level. (See page 5-15.)
• Check the engine serpentine belt. (See page 5-22.)
• Check the air conditioner compressor belt.

(See page 5-28.)
• Check the diesel exhaust fluid (DEF) level.

(See page 5-16.)
• Check the seat belt and buckle. (See page 4-12.)
• Check the escape tool. (See page 3-23.)
• Check the fire extinguisher. (See page 3-23.)
• Check the electrical system. (See page 5-36.)
• Check the fuel level. (See page 5-16.)
• Check the climate control system. (See page 3-20.)
• Check the operation and maintenance manual.

(See page 5-65.)
• Check the swing drive oil level. (See page 5-54.)
After the First 50 Hours
Initial change of the engine oil and the filter.

(See page 5-20.)
Weekly or Every 50 Hours
• Lubricate the work equipment. (See page 5-59.)
• Check the engine air filter system. (See page 5-19.)
• Check the batteries. (See page 5-36.)
• Check hydraulic hoses for wear or damage.

(See page 5-45.)
• Check the final drive oil level. (See page 5-52.)
• Check the final drive mounting fasteners.

(See page 5-52.)
• Check the carrier roller. (See page 5-49.)
• Check the carrier roller mounting fasteners.

(See page 5-49.)
• Check the track shoe fasteners. (See page 5-48.)
• Check and adjust the track tension. (See page 5-49.)
• Check the engine exhaust system mounting hardware.
(See page 5-30.)
Monthly or Every 250 Hours
NOTE: Make sure all daily and 50-hour maintenance
tasks have been completed before proceeding
with the 250-hour maintenance tasks.
• Check the cab door, access doors, and locks.

(See page 5-62.)
• Check the grab handles and steps. (See page 5-62.)
• Check the windshield washer and windshield wiper
switches for proper operation. (See page 5-63.)
• Check the fuses. (See page 4-9.)
• Check the track assembly. (See page 5-48.)