PIN A 4Y1800 - Caterpillar

Batteries (15)
This safety label is located on the right side above the battery compartment.
Illustration 20 g01389332
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 (16)
This safety label is located near the cooling system pressure cap.
Illustration 21 g01378799
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.
High Pressure Cylinder (Ride Control) (17), (18)
This safety label is located on the front frame near the ride control accumulator (if equipped).
Illustration 22 g01372252
Hydraulic accumulator contains gas and oil under high pressure. Improper removal or repair procedures could cause severe injury. To remove or repair, instructions in the service manual must be followed. Special equipment is required for testing and charging.
This safety label is located on the ride control accumulator.
Illustration 23 g01389331
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.
Recovery Hook (19)
This safety label is located next to the recovery hook (if equipped).
Illustration 24 g01389334
Do not use this recovery device for towing other machines or equipment.Use of this hook may disengage the parking/secondary brake.Personal injury or death from run over could result.Marked tow devices should be used to tow other machines.
Compressed Spring (20)
This safety label is located on the brake release cylinder (if equipped).
Illustration 25 g01379131
Personal injury can result from spring force released when removing cap screws.Internal spring force will be released when cylinder assembly cap screws are removed causing injury.Always restrain cover as cap screws are loosened.Follow the established procedure in the Service Manual to service these parts.