Product Manual

TP-6804 2/21 65Section 4 Scheduled Maintenance
3. Check the spark plug gap using a wire feeler
gauge. See Figure 4-4 for the recommended spark
plug gap. Adjust the gap by carefully bending the
ground electrode. See Figure 4-5 and Figure 4-6.
4. Reinstall the spark plug into the cylinder head.
Torque the spark plug to 24.4- 29.8 Nm
(18- 22 ft. lb.)
Generator Set Model Spark Plug Gap
14 and 20 kW models 0.76 mm (0.030 in.)
Figure 4-4 Spark Plug Gap
1- 514
Figure 4-5 Checking the Spark Plug Gap
1- 511
Figure 4-6 Adjusting the Spark Plug Gap
4.4 Air Cleaner Service
Risk of fire.
Can cause severe injury or death.
Do not smoke or permit flames or
sparks near fuels or the fuel system.
WARNING
Servicing the air cleaner. A sudden backfire can cause
severe injury or death. Do not operate the generator set with
the air cleaner removed.
4.4.1 Air Cleaner, 14 kW Models
The engine has a replaceable high-density paper air
cleaner element. See Figure 4-7.
1
2
3
4
5
6
586536
1. Cover knob
2. Air cleaner cover
3. Element cover nut
4. Element cover
5. Air cleaner element
6. Air cleaner base
Figure 4-7 Air Cleaner Components
Check for a buildup of dirt and debris around the air
cleaner system. Keep this area clean. Also check for
loose or damaged components. Replace all bent or
damaged air cleaner components.
Note: Operating the engine with loose or damaged air
cleaner components could allow unfiltered air
into the engine causing premature wear and
failure.