BRACKET AS 1551110 - Caterpillar

Replacing The Spray System Water Pump
INADVERTENT STARTING OF THE ENGINE COULD CAUSE PERSONAL INJURY. SHUT THE ENGINE DOWN AND REMOVE THE KEY FROM THE IGNITION SWITCH.
1. Drain the water tank.
MACHINES 504103 - 504108
MACHINES 504109 & SUBSEQUENT2. Disconnect the hoses from the water pump. 3. On machines 504103 through 504108, loosen the pump adjustment arm jam nut, then turn the adjustment bolt to relieve the belt tension. 4. On machines, 504109 and subsequent, loosen the pump mounting bolts and slide the pump toward the engine to relieve the belt tension.5. Remove the belt from the pump sheave.6. Support the pump, remove the mounting bolts, then remove the pump from the machine.7. Position the new pump on the pump bracket and install the mounting bolts.8. Position the belt on the pump sheave and adjust the belt tension (see page 1.0-11 for procedures).9. Connect the hoses to the water pump.10. Fill the water tank.
MACHINES 504103 - 504108
MACHINES 504109 & SUBSEQUENT11. Remove the topmost water pump pipe plug and allow water to flow from the port until the water is air-free.12. Replace the pipe plug.
MACHINES 504109 & SUBSEQUENT13. Connect the grease gun to the pump grease fitting and apply lubricant until resistance is felt on the grease gun handle.14. Check out operation of the pump and system.Disassembling The Water Spray System Pump
1. Remove the pump from the machine (see page 1.0-5).2. Loosen four 3/8" (0.95 cm) N.C. hex head capscrews and remove volute.