AFTERCOOLER AS 3504582 - Caterpillar

Table 1
Tools Needed Qty
198-4240 Digital Pressure Indicator 1
198-4239 Pressure Sensor 1
Personal injury or death can result from improperly checking for a leak.Always use a board or cardboard when checking for a leak. Escaping air or fluid under pressure, even a pin-hole size leak, can penetrate body tissue causing serious injury, and possible death.If fluid is injected into your skin, it must be treated immediately by a doctor familiar with this type of injury.
Personal injury or death can occur if personnel are trapped between the wheel and the frame.The steering system is hydraulically controlled and wheels can crush personnel during movement.Use caution when working between the wheels and the frame. If the wheels must be turned, ensure that all personnel are clear of the machine before any movement.
Note: Make sure that the steering disable valve is connected to the electrical system during the tests.
Illustration 1 g02161458Pressure and flow compensator valve (1) is mounted to the case of the steering piston pump. The steering pump is mounted on the RH side of the flywheel housing.High Pressure Cutoff Valve
Start the engine.
Operate the engine at HI IDLE. Turn the steering wheel to the right or turn the steering wheel to the left until the steering cylinder stop is reached. Then, continue turning the steering wheel against the stop. Hold the steering wheel in this position for 3 seconds and then release