Kohler 62 690 13 Rev. D Generator Set

⚠ Do not tamper with governor setting. Overspeed is hazardous and could cause personal injury.

Tools: Long thin rod or tool

1. Make sure throttle linkage is connected to governor arm and throttle lever on throttle body.
2. Loosen nut holding governor lever to cross shaft.
3. Move governor lever toward throttle body as far as it will go (wide open throttle) and hold in this position.
4. Insert a long thin rod or tool into hole on cross shaft and rotate shaft clockwise (viewed from end) as far as it will turn.
5. Torque nut to 7.1 N·m (63 in. lb.).

1. Turn idle screw clockwise one full turn prior to key/ignition ON after ECU Reset.
2. Start engine, run at low idle until engine is warm.
3. Idle speed must be above 1500 RPM. If below 1500 RPM, turn idle screw up to 1700 RPM then shut down and perform ECU Reset again.
4. Adjust idle speed down to 1500 RPM. Allow engine to dwell at 1500 RPM for about 3 seconds.
5. After this, adjust idle speed to final specified speed setting.
6. Turn key/ignition OFF and count to 10 seconds. Learn procedure is complete.

Tools: Compression tester

1. Perform on a warm engine. Clean dirt/debris away from base of spark plugs before removing them.
2. Be sure battery is fully charged, unplug ECU, and throttle is wide open during test.
3. Compression should be at least 160 psi and should not vary more than 15% between cylinders.

⚠ Avoid inhaling exhaust fumes. Never run engine indoors or in enclosed spaces.

Tools: Water manometer, Rubber stopper, Pinch clamp

1. Insert rubber stopper into oil fill hole. Connect hose between stopper and one manometer tube; leave other tube open to atmosphere. Check water level is at 0 line; make sure pinch clamp is closed.
2. Start engine and run no-load high speed.
3. Open clamp and note water level in tube. Level in engine side should be a minimum of 10.2 cm (4 in.) above level in open side.
4. Close pinch clamp before stopping engine.

⚠ System will NOT reset when battery is disconnected.

Tools: Kohler EFI Service Kit red wire jumper

1. Turn key/ignition OFF.
2. Install Red wire jumper from Kohler EFI service kit on to service port (connect white wire to black wire in 4 way diagnostic port).
3. Turn key/ignition ON, then OFF and count 10 seconds.
4. Turn key/ignition ON, then OFF and count to 10 seconds a second time.
5. Remove Red wire jumper. Turn key/ignition ON, then OFF and count to 10 seconds a third time. ECU is reset.

⚠ Change oil while engine is warm.

1. Clean area around oil fill cap/dipstick and drain plug. Remove drain plug and oil fill cap/dipstick. Allow oil to drain completely.
2. Clean area around oil filter; remove filter; wipe off mounting surface. Reinstall drain plug and torque to 21.4 N·m (16 ft. lb.).
3. Place new filter in shallow pan open end up. Fill with new oil until oil reaches bottom of threads. Allow 2 minutes for oil to be absorbed.
4. Apply a thin film of clean oil to rubber gasket on new filter.
5. Refer to instructions on oil filter for proper installation.
6. Fill crankcase with new oil. Level should be at top of indicator on dipstick.
7. Reinstall oil fill 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 filter in accordance with local ordinances.

⚠ Never run engine with oil level below or above operating range indicator on dipstick.

1. Ensure engine is cool and level. Clean oil fill/dipstick areas of any debris.
2. Remove dipstick; wipe oil off.
3. Reinsert dipstick into tube; press completely down.
4. Remove dipstick; check oil level. Level should be at top of indicator on dipstick.
5. If oil is low on indicator, add oil up to top of indicator mark.
6. Reinstall and secure dipstick.

1. Add Kohler PRO Series fuel treatment or equivalent to fuel tank. Run engine 2-3 minutes to get stabilized fuel into fuel system.
2. Change oil while engine is still warm. Remove spark plug(s) and pour about 1 oz. engine oil into cylinder(s). Replace spark plug(s) and crank engine slowly to distribute oil.
3. Disconnect negative (–) battery cable.
4. Store engine in a clean, dry place.

⚠ Prevents possible bent push rod or broken rocker arm.

Tools: Drill press, Old push rod piece

1. Cut a 50-75 mm (2-3 in.) piece from end of an old push rod and chuck it in a drill press.
2. Lay a rag or shop towel on table of drill press and place lifter, open end up, on towel.
3. Lower chucked push rod until it contacts plunger in lifter. Slowly pump plunger 2 or 3 times to force oil out of feed hole in side of lifter.