Safety Service Cooling System Safely Explosive release of fluids from pressurized cooling system can cause serious burns. Do not service radiator through the radiator cap. Only fill through the surge tank filler cap. TS281 –UN–23AUG88 Shut off engine. Only remove surge tank filler cap when cool enough to touch with bare hands. Slowly loosen cap to relieve pressure before removing completely. DW90712,00003B1 –19–27NOV06–1/1 TM2361 (24JUN08) 9000-01-12 450DLC Excavator Operation and Tests 062608 PN=20 9000 01 12 Park and Prepare for Service Safely Warn others of service work. Always park and prepare your machine for service or repair properly.
• Park machine on a level surface and lower equipment to the ground. –19–14DEC01 • Place pilot control shutoff lever in “lock” position. Stop engine and remove key. • Attach a “Do Not Operate” tag in an obvious place in T133332 the operator’s station. Securely support machine or equipment before working under it. • Do not support machine with boom, arm, or other hydraulically actuated attachments. • Do not support machine with cinder blocks or wooden pieces that may crumble or crush. • Do not support machine with a single jack or other –UN–23AUG88 devices that may slip out of place. Understand service procedures before beginning repairs. Keep service area clean and dry.
Use two people TS229 whenever the engine must be running for service work. TX03679,00016E9 –19–24JAN07–1/1