Engine Oil; Replacement Of Old Engine Oil - Trane TR15REG-DB Operation Manual

Maintenance of the Lubricating System

1. Engine oil

Oil viscosity: Select the viscosity according to your ambient temperature.
Oil quality level (according to standards set by the American Petroleum Institute): SE or higher-level oil.
After 30 hours of running new engine, preform first oil change. Maintain and replace the amount of oil
according to the requirements (4qrts), this will ensure long dependable engine life. Only use full synthetic
motor oils, Mobil 1, 0W-40 is highly recommended or equivalent.
Do not mix different grades and detergents of oil.

2. Replacement of old engine oil

Replacing engine oil: This unit comes with drain hoses already installed from the factory for ease of service.
• Start the engine for 10 minutes to increase the temperature of the engine oil and allow better flow, then
stop the engine.
• Remove front panel on generator and place pan under the oil drain hose. Open oil drain valve to drain out
all engine oil. Use 10mm allan wrench included.
• Close oil drain valve and replace with recommended oil amount.
• Start engine and allow new oil to circulate and fill oil filter for three minutes. Make sure there are no
visible oil leaks!
• Shut down unit and top off oil as needed. Oil level should be between A and B marks on the dipstick, it is
preferred that the level be close to B mark but not over!
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Water Drain Pipe Oil Drain Pipe
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