VALVE 0643914 - Caterpillar

High Pressure Cylinder!Do not remove any valve, hydraulic fitting, or valve core, nor disassemble any parts until pressure has been relieved, or personal injury may occur.To relieve pressure:
Refer to the Service Manual for the correct method of dissipating hydraulic system pressure.
Relieve gas pressure in the accumulator cylinder by opening the charging valve one turn only.Charge the cylinder with dry nitrogen gas.See your Caterpillar dealer for tools and detailed information required for charging cylinders.
High Pressure Cylinder (Brake Accumulator)
Illustration 18 g00944250
This safety label is located on the brake accumulator.
Illustration 19 g00892403
High Pressure Cylinder!Do not remove any valve, hydraulic fitting, or valve core, nor disassemble any parts until pressure has been relieved, or personal injury may occur.To relieve pressure:
Refer to the Service Manual for the correct method of dissipating hydraulic system pressure.
Relieve gas pressure in the accumulator cylinder by opening the charging valve one turn only.Charge the cylinder with dry nitrogen gas.See your Caterpillar dealer for tools and detailed information required for charging cylinders.
Unit Injectors
Illustration 20 g00944251
This safety label is located on both sides of the engine valve cover base.
Illustration 21 g00892579
Electrical Shock Hazard. Unit Injector System. 90 - 120 Volts.
Batteries
Illustration 22 g00944253
This safety label is located on the right side above the battery compartment.
Illustration 23 g00892563
IMPROPER JUMPER CABLE CONNECTIONS CAN CAUSE EXPLOSION RESULTING IN PERSONAL INJURY.BATTERIES MAY BE LOCATED IN SEPARATE COMPARTMENTS. WHEN USING JUMPER CABLES, ALWAYS CONNECT POSITIVE (+) CABLE TO POSITIVE (+) TERMINAL OF BATTERY CONNECTED TO STARTER SOLENOID AND NEGATIVE (-) CABLE FROM EXTERNAL SOURCE TO STARTER NEGATIVE (-) TERMINAL (IF MACHINE NOT EQUIPPED WITH STARTER NEGATIVE TERMINAL, CONNECT TO ENGINE BLOCK.) FOLLOW PROCEDURE IN THE OPERATION MANUAL.
Engine Coolant
Illustration 24 g00944254
This safety label is located near the cooling system pressure cap.
Illustration 25 g00892607
PRESSURIZED SYSTEM: HOT COOLANT CAN CAUSE SERIOUS BURN. TO OPEN CAP, STOP ENGINE, WAIT UNTIL RADIATOR IS COOL. THEN LOOSEN CAP SLOWLY TO RELIEVE THE PRESSURE.