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4.3 Lubrication System

See Section 4.2, Service Schedule, for oil change and

oil filter replacement intervals. See Section 1.5, Service

Views, for the oil drain, oil check, oil fill, and oil filter

locations.

4.3.1

Low Oil Pressure Shutdown

The low oil pressure (LOP) shutdown feature protects

the engine against internal damage if the oil pressure

drops below a minimum pressure because of oil pump

failure or other malfunction.

Note: The LOP shutdown feature does not protect

against damage caused by operating when the

oil level is low; it is not a low oil level shutdown.

Check the oil level regularly, and add oil as

needed.

4.3.2

Oil Check

The generator set is shipped with oil. Before operating

the generator set, check the engine oil in the crankcase.

See Figure 4-1 for the dipstick location.

Maintain the oil level at or near, not over, the full mark on

the dipstick. Add 5W-30 synthetic oil when the oil level is

low. See Section 4.3.3, Engine Oil Recommendation.

Check the oil level before each use. For extended

operation, check the oil level every 8 hours. Do not

check the oil level when the generator set is running.

Shut down the generator set and wait several minutes

before checking the oil.

Figure 4-1 Oil Check

TP-6517 4/09

4.3.3

Engine Oil Recommendation

Use 5W-30 API (American Petroleum Institute) Service

Class SG, SH, or SJ synthetic oil. Synthetic oil oxidizes

and thickens less than other oils and leaves the engine

intake valves and pistons cleaner.

4.3.4

Oil Change Procedure

Note: Dispose of all waste materials (engine oil, fuel,

filter, etc.) in an environmentally safe manner.

Drain the oil while it is still warm.

1. Drain the oil.

a. Place the generator set master switch in the

OFF position.

b. Disconnect the power to the battery charger.

c. Disconnect the generator set engine starting

battery, negative (--) lead first.

d. Remove the housing side panel.

e. Clean the area around the dipstick and oil fill

cap.

f. Remove the oil drain hose from its retaining

clip. Remove the cap from the oil drain hose

and lower the hose into an oil collection

container.

g. Open the oil drain valve on the engine.

h. Remove the dipstick and oil fill cap. Allow time

for the engine oil to drain completely.

i. Close the oil drain valve. Replace the cap on

the oil drain hose. Replace the oil drain hose in

its retaining clip.

j. Replace the dipstick.

2. Replace the oil filter.

a. Clean the area around the oil filter. Remove the

oil filter by rotating it counterclockwise with an

oil filter wrench.

b. Clean the gasket sealing surface of the oil filter

adapter.

6517

c. Apply a light coat of clean oil to the rubber seal

of the new oil filter.

d. Install the new oil filter following the instructions

provided with the filter.

Section 4 Scheduled Maintenance, 17/18 kW Models