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24 590 52 Rev. --

KohlerEngines.com

Pre-Start Checklist

1. Check oil level. Add oil if low. Do not overfi ll.
2. Check fuel gauge (if equipped). If propane 

tank is low, have it refi lled. Check fuel system 

components and lines for leaks.

3. Check and clean cooling areas, air intake 

areas and external surfaces of engine 

(particularly after storage).

4. Check that air cleaner components and all 

shrouds, equipment covers, and guards are 

in place and securely fastened.

5. Check spark arrestor (if equipped).

Starting

 

WARNING

Carbon Monoxide can cause 

severe nausea, fainting or death.
Avoid inhaling exhaust fumes. 

Never run engine indoors or in 

enclosed spaces.

Engine exhaust gases contain poisonous 

carbon monoxide. Carbon monoxide is 

odorless, colorless, and can cause death if 

inhaled.

 

WARNING

Rotating Parts can cause severe 

injury.
Stay away while engine is in 

operation.

Keep hands, feet, hair, and clothing away 

from all moving parts to prevent injury. Never 

operate engine with covers, shrouds, or 

guards removed.

NOTE:  Do not crank engine continuously for 

more than 10 seconds. Allow a 60 

second cool down period between 

starting attempts. Failure to follow 

these guidelines can burn out starter 

motor.

NOTE:  Upon start-up, a metallic ticking may 

occur. Run engine for 5 minutes. If 

noise continues, run engine at mid 

throttle for 20 minutes. If noise persists, 

take engine to your local Kohler 

authorized dealer.

1. Place throttle control midway between slow 

and fast positions.

2. Slowly turn fuel valve on propane tank to full 

open position.

3. Turn key switch to START position. Release 

switch as soon as engine starts. If starter 

does not turn engine over, shut off  key switch 

immediately. Do not make further attempts to 

start engine until condition is corrected. Do 

not jump start. See your Kohler authorized 

dealer for trouble analysis.

Cold Weather Starting Hints

1. Use proper oil for temperature expected.
2. Disengage all possible external loads.

Stopping

1. If possible, remove load by disengaging all 

PTO driven attachments.

2. Turn fuel valve to full closed position and 

allow engine to continue running until it runs 

out of fuel. Turn key switch to OFF position.

Angle of Operation

Refer to operating instructions of equipment 

this engine powers. Do not operate this engine 

exceeding maximum angle of operation; see 

specifi cation table. Engine damage could result 

from insuffi  cient lubrication.

Engine Speed

NOTE:  Do not tamper with governor setting to 

increase maximum engine speed. 

Overspeed is hazardous and will void 

warranty.

Summary of Contents for command pro PCH680

Page 1: ...ines com Please review carefully as it provides your speci c rights and obligations To maintain compliance with applicable emission regulations exhaust system backpressure may not exceed limits which...

Page 2: ...xide is odorless colorless and can cause death if inhaled WARNING High Pressure Fluids can puncture skin and cause severe injury or death Do not work on fuel system without proper training or safety e...

Page 3: ...K Air Cleaner Cover L Element Cover M Precleaner N Paper Element O Air Cleaner Base P Rubber Seal Q Low Pro le Air Cleaner R Debris Screen S Oil Filter T Vaporizer Regulator U Vaporizer Regulator Inl...

Page 4: ...nes can burn out starter motor NOTE Upon start up a metallic ticking may occur Run engine for 5 minutes If noise continues run engine at mid throttle for 20 minutes If noise persists take engine to yo...

Page 5: ...low pro le precleaner if equipped Every 100 Hours1 Check oil cooler ns clean as necessary if equipped Change oil Replace low pro le air cleaner element if equipped Remove cooling shrouds and clean coo...

Page 6: ...stall and secure dipstick Change Oil and Filter Change oil while engine is warm 1 Clean area around oil ll cap dipstick and drain plug Remove drain plug and oil ll cap dipstick Allow oil to drain comp...

Page 7: ...eous vapor state Lock O assembly opens and closes controlling fuel ow from supply tank before reaching vaporizer regulator Over time fuel deposits can accumulate inside vaporizer regulator Removing th...

Page 8: ...if equipped Ensure end of breather tube is properly connected Oil Cooler if equipped 1 Clean ns with a brush or compressed air 2 Remove two screws securing oil cooler and tilt to clean back side 3 Rei...

Page 9: ...r Possible Cause Problem No Fuel Tank Nearly Empty Improper Fuel Dirt In Fuel Line Broken Fusible Link Dirty Restricted Vaporizer Regulator Inlet Filter Dirty Debris Screen Incorrect Oil Level Engine...

Page 10: ...dditional speci cation information can be found in service manual at KohlerEngines com Any and all horsepower hp references by Kohler are Certi ed Power Ratings and per SAE J1940 J1995 hp standards De...

Page 11: ...11 24 590 52 Rev KohlerEngines com...

Page 12: ...24 590 52 Rev KohlerEngines com 2018 by Kohler Co All rights reserved...

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