SPOOL-RELIEF VALVE 2S1385 - Caterpillar

Inspect the Engine for Leaks and for Loose Connections
A walk-around inspection should only take a few minutes. When the time is taken to perform these checks, costly repairs and accidents can be avoided.For maximum engine service life, make a thorough inspection of the engine compartment before starting the engine. Look for items such as oil leaks, coolant leaks, exhaust leaks, loose bolts, worn belts, loose connections and trash buildup. Make repairs, as needed:
The guards must be in the proper place. Repair damaged guards or replace missing guards.
Wipe all caps and plugs before the engine is serviced in order to reduce the chance of system contamination.
For any type of leak (coolant, lube, or fuel) clean up the fluid. If leaking is observed, find the source and correct the leak. If leaking is suspected, check the fluid levels more often than recommended until the leak is found or fixed, or until the suspicion of a leak is proved to be unwarranted.
Accumulated grease and/or oil on an engine or deck is a fire hazard. Remove this debris with steam cleaning or high pressure water.
Note: Use care when you use steam cleaning. Use care when you use high pressure water. Direct spray to rotating electrics or electronic components can cause nonfixable damage.
Water and/or condensation can cause damage to electrical components. Protect all electrical components from exposure to water.
Ensure that the coolant lines are properly clamped. Ensure that the fittings are tight. Check for leaks. Check the condition of all pipes.
Inspect the water pump for coolant leaks.Note: The water pump seal is lubricated by coolant in the cooling system. It is normal for a small amount of leakage to occur as the engine cools down and the parts contract.Excessive coolant leakage may indicate the need to replace the water pump seal. For the removal of water pump and the installation of water pump and/or seals, refer to the Service Manual for the engine or consult your Caterpillar dealer.
Inspect the lubrication system for leaks at the following locations: front crankshaft seal, rear crankshaft seal, oil pan, oil filters, valve cover, turbocharger, external oil lines and connections.
Inspect the fuel system for leaks. Look for loose fuel line clamps or connections.
Inspect the piping for the air inlet system and the elbows for cracks and for loose clamps or connections.
Ensure that the exhaust system is properly clamped. Ensure that the connections are tight. Check for leaks. Check the condition of all connections and components of the exhaust system.
Inspect the alternator belt and the accessory drive belts for cracks, breaks or other damage.Belts for multiple groove pulleys must be replaced as matched sets. If only one belt is replaced, the belt will carry more load than the belts that are not replaced. The older belts are stretched. The additional load on the new belt could cause the belt to break.
Drain the water and the sediment from fuel tanks on a daily basis in order to ensure that only clean fuel enters the fuel system.
Inspect the wiring and the