TROUBLESHOOTING OPERATION
3-116
PUMP TEST
CAUTION
If the operation is carried out without inspecting the hydraulic pump, it may lead to damage of the brake
system seal. Always inspect the hydraulic pump before connecting it.
1. Install tee (1) to the discharge portion of the pump, then
install oil pressure gauge (2) and rubber hose (3).
Install quick coupler (4) to the end of rubber hose (3) that is
mounted to the machine.
2. Pump handle (5) and check that the pressure gauge
becomes 2.7 to 3.1 MPa (28 to 32 kg/cm²).
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