19 690 01 Rev. --KohlerEngines.com60
Lubrication System
7. Reinstall oil fi ll cap/dipstick and tighten securely.
8. Start engine; check for oil leaks. Stop engine; correct
leaks. Recheck oil level.
9. Dispose of used oil and fi lter in accordance with
local ordinances.
OIL COOLER (if equipped)
1. Clean fi ns with a brush or compressed air.
2. Remove screws securing oil cooler and tilt to clean
back side.
3. Reinstall oil cooler and torque top screw (M5) to 5.6
N·m (50 in. lb.) and bottom screw (M6) to 4.8 N·m
(46 in. lb.).
OIL SENTRY
™
(if equipped)
This switch is designed to prevent engine from starting
in a low oil or no oil condition. Oil Sentry
™
may not shut
down a running engine before damage occurs. In some
applications this switch may activate a warning signal.
Read your equipment manuals for more information.
Oil Sentry
™
pressure switch is installed in oil pan
pressure port. On engines not equipped with Oil Sentry
™
installation hole is sealed with a 1/8-27 N.P.T.F. pipe
plug.
Installation
1. Apply pipe sealant with Tefl on
®
(Loctite
®
PST
®
592™
Thread Sealant or equivalent) to threads of switch.
2. Install switch into tapped hole in oil pan.
3. Torque switch to 9 N·m (80 in. lb.).
Testing
Compressed air, a pressure regulator, pressure gauge,
and a continuity tester are required to test switch.
Normally Open Switch
1. Connect continuity tester across blade terminal and
metal case of switch. With 0 psi pressure applied to
switch, tester should indicate no continuity (switch
open).
2. Gradually increase pressure to switch. As pressure
increases through range of 2.0/5.0 psi, tester should
indicate a change to continuity (switch closed).
Switch should remain closed as pressure is
increased to 90 psi maximum.
3. Gradually decrease pressure through range of
2.0/5.0 psi. Tester should indicate a change to no
continuity (switch open) down to 0 psi.
4. Replace switch if it does not operate as specifi ed.
Normally Closed Switch
1. Connect continuity tester across blade terminal and
metal case of switch. With 0 psi pressure applied to
switch, tester should indicate continuity (switch
closed).
2. Gradually increase pressure to switch. As pressure
increases through range of 2.0/5.0 psi, tester should
indicate a change to no continuity (switch open).
Switch should remain open as pressure is increased
to 90 psi maximum.
3. Gradually decrease pressure through range of
2.0/5.0 psi. Tester should indicate a change to
continuity (switch closed) down to 0 psi.
4. Replace switch if it does not operate as specifi ed.
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