1. Before any maintenance, repair or maintenance of the drilling rig, a warning sign or similar signage indicating “Do not start the engine” must be hung on the machine's start switch, joystick and operating panel to warn the operator.　2. Ensure that all protective facilities for the drilling rig, s Read More

(1) Keep the air filter clean If the air filter is too dirty, it will cause air flow resistance, incomplete combustion of the mixture, the engine power drop. Tests show that: when the air filter partially blocked, fuel consumption will increase by 5%. Driver maintenance air filter should do Read More