Kohler 4EFRKM, Operation, Page: 20 / 40

TP-6081 4/00 8 Section 3 Scheduled Maintenance
3.3 Lubrication System
3.3.1 Oil Specifications
Use oil that meets the American Petroleum Institute
(API) classification of SG or SH. Using unsuitable oil or
neglecting an oil change may result in engine damage
that is not covered by the engine warranty. Figure 3-1
shows the recommended Society of Automotive
Engineers (SAE) viscosity designation for given
operating temperature ranges.
Do not mix different oil brands. Incompatibility could
cause a breakdown of lubricating ingredients and
reduce engine protection.
Figure 3-1 Engine Oil Selection
3.3.2 Oil Check
Check the oil level in the crankcase daily or before each
startup to ensure that the level is in the safe range. Do
not check the oil level while operating the unit. Stop the
generator set and keep the generator set level to get an
accurate reading. To check the oil level, remove the
dipstick and wipe the end clean. Reinsert the dipstick
and remove it. Maintain the oil level between the Full
and Add marks on the dipstick, as shown in Figure 3-2.
See Section 1, Service Views, for the dipstick location.
1
TP-5586-3
2
1. Full mark
2. Add mark
Figure 3-2 Oil Level Check
Note: Do not operate the set if the oil level is below the
Add mark on the dipstick or above the Full mark
on the dipstick. Too high an oil level causes high
oil consumption and engine carbonizing. Too low
a level damages the engine.
3.3.3 Oil Additions
Adding some oil between oil changes is normal. The
amount varies with the generator set usage. Open the
oil fill cap and pour in a small amount of oil using a funnel
or other suitable pouring device. See Section 1, Service
Views, for the oil check and oil fill locations.
3.3.4 Oil Change
Change the oil according to the service schedule or
before generator set storage.
Change the oil more
frequently if the generator set operates under dirty,
dusty conditions. Change the oil while the engine is still
warm.
See Figure 3-3 for the oil capacity. See
Section 1, Service Views, for the oil fill and oil check
locations.
Model
Capacity
L (Qts.)
5ERKM 2.0 (2.1)
4EFRKM 2.0 (2.1)
Figure 3-3 Oil Capacity