BELT-SERPENTINE 3748491 - Caterpillar

Installation procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01004978
Install new O-ring seals in the cover of the water pump. Position the water pump on the front of the engine. Install bolts (2).
Connect the hose assembly between the water pump and the water temperature regulator housing. Tighten hose clamps (1) that hold the hose in position.
Position V-belt (5) on the idler pulley assembly (7). Note: For information on the reusability of idler pulley assembly (7), refer to Guideline For Reusable Parts And Salvage Operations, SEBF8046, "Cast Iron and Steel Pulleys".
Adjust the tension on the water pump V-belt (5).
Use hole (4) to apply tension to the V-belt. Refer to Specifications, "Belt Tensioner Chart" for the correct tension on the belt.
Fill the cooling system to the correct level. Refer to the Operation and Maintenance Manual, "Refill Capacities" topic for the correct fluid and the correct filling procedure.