Ford 231 Operator's Manual page 58

----LUBRICATION AND MAINTENANCE
Figure 85
Alternator Belt Tension
Figure 86
Removing Spark Plugs
1. Alternator Bolts
5. Output Terminal
1.
Spark Plug 3. Spark Plug Wire
2. Field Terminal
6. Alternator
2. Spark Plug 4. Spark Plug Removal
3. Regulator Terminal 7. Belt Deflection
Sealing Washer Socket
4. Ground Terminal
IGNITION SYSTEM
FUEL INJECTORS
DISTRIBUTOR POINTS
The injectors should be changed every 600 hours. New New distributor points should be installed every 600
or rebuilt injectors are available from your Ford Tractor- hours.
Equipment Dealer.
SPARK PLUGS
To maintain engine efficiency and performance, the
spark plugs should be cleaned every 300 hours and new
plugs installed every 600 hours.
1. Remove the high tension plug wires. Using a spark
plug socket (4), remove the spark plugs (1), Figure
86, and inspect for damaged insulators, fouling,
and excessive electrode erosion. If serviceable,
clean with sandblasting equipment.
2. Check the gap with a wire .gauge (1), Figure 87.
Adjust the gap to 0.023-0.027 inch (0.584—
0.686 mm).
Figure 87
Checking Spark Plug Gap
3. Install the plugs and torque them to 26-30 lbs.
1. Wire Gap Gauge 2. Side Electrode ft. (3.60-4.15 kgm). Connect the wires.
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