SY135C Excavator
Machine Operation
SANY
Operation and Maintenance Manual — 0120
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Cold-Weather Operation
The following recommendations are for operating SANY excavators in freezing temperatures (below 32°F [0°C]).
NOTE:
See “Right Console” on page 3-26 for details on using the key switch to preheat the engine for cold-
weather starting.
NOTE:
Detailed cold-weather starting and operating procedures are covered in the OEM engine manual and
in “Inspection and Maintenance in Adverse Environments” on page 5-8.
The correct grade of oil for the ambient temperature must be used in the crankcase. Diesel fuel must have a pour
point of 43°F (6°C) less than the lowest expected temperature.
NOTE:
See “Engine Oil Viscosity/Temperature Data” on page 5-13 and “Other Approved Lubricants” on
page 5-14.
This machine must have appropriate hydraulic oil, lubricants, and other auxiliary items required for operation in
subzero temperatures. Individual machine functions should be operated to make sure they are sufficiently warmed
prior to performing work.
NOTE:
See “Location, Capacity, and Type” on page 5-12.
Cold-weather operation requires additional precautions:
•
Avoid touching bare skin to metal surfaces in extreme cold conditions.
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Keep the machine clear of ice and snow.
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Allow the engine to idle until the engine coolant temperature reaches the normal operating range before
using the machine. Operate all functions with no load for 5 to 10 minutes.
NOTICE!
When the temperature is below 32°F (0°C) and mud is built up on the tracks, swing the upper
structure 90° and raise the machine so that one track is off the ground. Rotate the track
forward and backward to remove the mud from the sprocket, track rollers, and idlers. Repeat
for the other side.
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