Safety, Operation and Maintenance Manual-September 30, 2019
2-35
Fig.2-52
• Antirust agent in cooling system contains
strong alkaline substances, may result in
personal injury. Avoid contact with skin,
eyes, and mouth.
Fig.2-53
• Never open the radiator cap before the
engine cools down. When opening the cap,
slowly rotate the cap. When pressure is
completely released, remove the cap.
• After drill rig operation, the hydraulic oil tank
is pressurized. Make sure to release
pressure before removing the cap.
2.5.7 Safety information of hose
Damage will cause hydraulic oil seepage and a sudden move of working devices, which may result
in unexpected consequence.
• Do not bend strike the pipes delivering high pressure fluid. Do not install bent, distorted, or
damaged pipes.
• Repair or replace, loose, or damaged pipes. Leaking fuel and oil may cause a fire.
• Because of aging, fatigue, and wear, the hose containing flammable fluid may crack under
pressure.
• The aging hose should be periodically replaced.
• Make sure all the pipe clamps are correctly mounted to avoid vibration, and possible hose
damage during machine operation.
SR400R Rotary Drilling Rig
Safety
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