SANY SR400R - Operation in Cold Weather; Checks in Cold Weather

Safety, Operation and Maintenance Manual-September 30, 2019
4-47
4.1.22 Operation in cold weather
4.1.22.1 Checks in cold weather
1. Machine checks during downtime:
• Keep clean of the machine.
• Engine: Check for antifreeze level, oil quality, and fluid and oil leakage. Replace the fuel, oil and
gear oil with oils applicable for local temperature.
• Hydraulic system: Check for leakage of the motor, oil cylinder, main pump, pipeline and joints.
Check for scratch and corrosion to cylinder piston rod. Exposed part of the piston rod shall be
applied with grease for protection.
• Electrical system: Disconnect the battery, and place it indoor after charging.
• Conduct antirust running, and run air-conditioning system once a month, keep compressor
lubricated and certain thickness of oil slick at the O-rings of air-conditioning system, and prevent
refrigerant leaking.
NOTE：
The antifreeze proportion is 45% when delivered, which is applicable for lowest
temperature of -40°C (carry out according to local temperature and attached table).
Table 4–1 Table for oil fluid selection in low temperature condition
Tempera-
ture
Fuel
Engine Oil
Hydraulic
Oil
Gear Oil Antifreeze
Battery
Acid%
-5℃ -10# 15W-40 HDZ46- Ⅱ 90W-140 TEEC-L35 1.29
-15℃ -20# 15W-40 HDZ46- Ⅱ 90W-140 TEEC-L35 1.3
-20℃ -35# 15W-30 HDZ46- Ⅱ 85W-140 TEEC-L35 1.31
-30℃ -35# 5W-30 T32# 85W-140 TEEC-L35 1.33
Note: Engine oil must be above API CF-4 grade.
2. Regular checks:
Wash and clear the oxides from the battery terminal with hot water, and apply a layer of grease
after wiping to protect the terminal. For wet battery, check proportion of the battery acid, and add
distilled water or electrolyte if necessary.
SR400R Rotary Drilling Rig
Operation
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