SHAFT 0947269 - Caterpillar

Cold Weather Starting Recommendations
Batteries
Batteries must provide sufficient amperage needed to start and operate the engine at the coldest expected temperatures.Maintain the proper battery electrolyte level. Keep all batteries fully charged (to a corrected specific gravity of 1.250 or above). Keep the batteries warm. The temperature of the battery has a considerable effect on the available power. If the battery is too cold, the battery will not have enough power to crank and start the engine, even if the engine is warm. Batteries typically have only fifty percent of the capability at -10°C (14°F) versus 27°C (80°F). At -35°C (-31°F), only ten percent of the original power is available. To maximize the battery power, heat the battery compartment or store the battery in a warm location.Inlet Air Heater/Ether Start System
As temperatures drop below 0°C (32°F), starting a cold engine requires assistance in the form of ether starting aids or inlet air heaters. An automatic metered ether injection system is preferred over a manual system. An automatic ether injection system reduces the risk of engine damage by minimizing the operator's responsibility to correctly determine how much ether is required. Excessive ether will damage the engine and void the manufacturer's warranty.An alternative to ether is an inlet air heater. The preheated inlet air considerably improves the engine's cold starting ability at very low temperatures and ensures smooth engine operation within a shorter period of time.Engine Idling
When idling after startup in cold weather, increase the engine speed to 1000 to 1200 rpm in order to warm up the engine more quickly. Do not race the engine to speed the warm-up.When idling, the application of a light (parasitic) load will assist in maintaining the minimum operating temperature of 71°C (160°F). The installation of a hand throttle will make it easier to maintain an elevated low idle speed for extended periods. An idle speed of 1000 rpm is preferred for all engines.Exhaust Restrictor
Exhaust restrictors apply a load to the engine in order to reduce warm-up time and white smoke at start-up. When extended idling periods are unavoidable, the exhaust restrictor can help maintain acceptable coolant temperatures above 71°C (160°F). Exhaust restrictors for the engines can also be obtained from other companies.Coolant Warm Up
Recommended Options
If a vehicle has been parked long enough for some of the systems to cool much below normal operating temperatures, the systems should be warmed up before returning the engine to full operation. Damage to engine valve components during operation in very cold temperature conditions can result from engine operation for short intervals. This can happen if the engine is