ELECTRONICS AR-MACHINE 3254756 - Caterpillar

Start By:a. install body retaining pins Fluid Spillage ContainmentCare must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "TOOLS AND SHOP PRODUCT GUIDE, NENG2500", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates.
At operating temperature, the engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot water or steam. Any contact can cause severe burns. Look at the sight gauge to check the coolant level. The coolant level should be in the green range. If necessary, remove the fill cap only after the engine has been stopped and the cap is cool enough to remove with your bare hand. Remove the cooling system fill cap slowly to relieve pressure. Cooling system condition contains alkali that can cause personal injury. Avoid contact with the skin and eyes and do not drink. Allow cooling system components to cool before draining.
1. Drain the cooling system in a suitable container for storage or disposal. The capacity of the cooling system is 221 liters (58.5 U.S. gal). 2. Remove four bolts (2) that hold the elbow and tube (1) to the regulator housing. Remove tube (1), the elbow and the gasket. The front hood has been removed for photographic reasons.3. Remove bolt (3), the washers and the nut. Remove clip (4) and the grommet. 4. Remove two bolts (5), the washers and the retainers. Remove tube (1) from the water pump. 5. Mark and identify four bolts (6) for installation purposes. Remove four bolts (6) and three nuts (7). Remove elbow assembly (8). 6. Remove four bolts (9) and four bolts (10) from water pump (11). 7. Remove O-ring seal (13).8. Attach Tool (A), a lifting sling and a suitable lifting device to water pump (11). Remove lock nut and washer (12). Remove water pump (11). The weight of the water pump is approximately 27 kg (60 lb). 9. Remove O-ring seal (14). The following steps are for the installation of the water pump. Check all O-ring seals for wear or damage, and replace if necessary. Lubricate the O-ring seals with glycerin prior to installation. 10. Install O-ring seal (14). 11. Attach Tool (A), a lifting sling and a suitable lifting device to water pump (11). The weight of the water pump is approximately 27 kg (60 lb). For installation purposes, use a new locknut (12).12. Put water pump (11) in position, and install washer and locknut (12).13. Tighten locknut (12) to a torque of 200 25 N m (150 18 lb ft).14. Install O-ring seal (13). 15. Install four bolts (9) and four bolts (10) that hold water pump (11). 16. Put elbow assembly (8) in position and install four bolts (6) and three nuts (7).