Kohler 12.5EFORDB Operation - Seite 13

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2.1 Prestart Checklist

To ensure continued satisfactory operation perform the

following checks or inspections before or at each

startup, as designated, and at the intervals specified in

the service schedule. In addition, some checks require

verification after the unit starts.

Air Cleaner. Check for a clean and installed air cleaner

element to prevent unfiltered air from entering the engine.

Air Inlets. Check for clean and unobstructed air inlets.

Air Shrouding.

Check for securely installed and

positioned air shrouding.

Battery. Check for tight battery connections. Consult

the battery manufacturer's instructions regarding

battery care and maintenance.

Coolant Level. Check the coolant level according to the

cooling system maintenance information.

Note: Block heater damage. The block heater will fail

if the energized heater element is not immersed

in coolant. Fill the cooling system before turning

on the block heater. Run the engine until it is

warm, and refill the radiator to purge the air from

the system before energizing the block heater.

Drive Belt(s). Check the belt condition and tension of

the water pump and battery charging alternator belt(s).

Exhaust System.

Check for exhaust leaks and

blockages. Check the muffler and piping condition and

check for tight exhaust system connections.

Inspect the exhaust system components for cracks and

corrosion (exhaust manifold, exhaust line, exhaust

clamps, and muffler).

Check for corroded or broken metal parts and replace

them as needed.

Check for loose, corroded, or missing clamps and

hangers. Tighten or replace the exhaust clamps

and/or hangers as needed.

Check that the exhaust outlet is unobstructed.

Check the exhaust gas color. If the exhaust is blue or

black, contact your local distributor/dealer.

TP-6551 2/14

Section 2 Operation

Visually inspect the exhaust system for exhaust leaks

(blowby).

Check for carbon or soot residue on

exhaust components.

indicates an exhaust leak. Seal leaks as needed.

Ensure that the carbon monoxide detector is (1) in the

vehicle, (2) functional, and (3) energized whenever

the generator set operates.

For your safety: Never operate the generator set

without

monoxide detector(s) for your

safety and the safety of others.

Fuel Level. Check the fuel level and keep the tank(s)

full to ensure adequate fuel supply.

Oil Level. Maintain the oil level at or near, not over, the

full mark on the dipstick.

Operating Area. Check for obstructions that could

block the flow of cooling air. Keep the air intake area

clean. Do not leave rags, tools, or debris on or near the

generator set.

2.2 Angular Operation

See Figure 2-1 for angular operation limits.

Continuous

25_

Maximum value for all directions

Figure 2-1 Angular Operation

2.3 Load Profile

Whenever operating the generator set, Kohler Co.

recommends maintaining the minimum load profile

indicated in Figure 2-2. Maintaining the load profile

prevents corrosion formation on internal engine

components when they're exposed to the breakdown of

exhaust gases.

Minimum

Load Requirement

30% load

Figure 2-2 Load Profile

Carbon and soot residue

functioning

carbon

Intermittent—

3 minutes or less

30_

Ideal

Load Requirement

70% load or more

Section 2 Operation