MODEL 330 OPERATOR'S MANUAL - Peterbilt Motors Company
MODEL 330 OPERATOR'S MANUAL - Peterbilt Motors Company MODEL 330 OPERATOR'S MANUAL - Peterbilt Motors Company
Cooling System Adding Coolant A mixture of water and low silicate antifreeze should be used for coolant. Water must be clean and free of corrosive and scale-forming chemicals. Drinking water may not be good for your vehicle. New vehicles come premixed with antifreeze and corrosion inhibitor. Be sure different types of coolant are not mixed. Stay with the same coolant until a complete replacement is performed. NOTE: Excess coolant may result in overflow, loss of antifreeze, and reduced corrosion protection. For a cold engine, the proper coolant level is 1 in. below the radiator cap seal. For normal operating temperatures, coolant should be even with the radiator cap seal. Coolant Conditioner A variety of test methods are available for measuring coolant conditioner levels. Test strips provide convenient and consistent results with minimal training. Other test methods can be used when appropriate training is provided. The actual test (i.e. test strips, etc.) and coolant conditioner maintenance schedule should be done in accordance with the actual coolant conditioner manufacturer recommendations. Preventive Maintenance The coolant conditioner should be recharged according to Table 2, “Recommended Maintenance Intervals,” Page 121, unless otherwise specified in the Engine Manufacturer’s Maintenance Manual. See the Medium Duty Maintenance Manual for more information. Antifreeze Mixture The maximum efficient Low Silicate Ethylene Glycol antifreeze concentration for extended low temperature operation is 68% glycol by volume. Exceeding this 68% limit reduces freeze protection. Table 8, (”Antifreeze Protection — Ethylene Glycol”) shows the temperature protection provided by low silicate ethylene glycol antifreeze in relation to the proportion mixed with water. Note that 100% antifreeze is no more effective than a 30% mixture. Refer to Table 8, (”Antifreeze Protection — Ethylene Glycol”) for specific antifreeze freeze point protection. To avoid possible overheating in hot weather, do not use Low Silicate Antifreeze concentrations greater than 50% glycol by volume unless freeze protection below –34°F (–36°C) is also required. – 148 – PB1318 3/01 Model 330
Preventive Maintenance NOTE: Avoid using a hydrometer for measuring freeze point. Hydrometers have poor accuracy. Use a Glycol Refractometer for checking antifreeze protection. A 50/50 mixture (50% water and 50% low silicate antifreeze) is best for year-round normal operation. This will normally protect your engine from freezing and boil-over. Table 8 Antifreeze Protection — Ethylene Glycol ETHYLENE GLYCOL ANTI- FREEZE % by VOLUME TEMPERATURE PROTECTION ° C ° F 0 O 32 10 –4 24 20 –9 16 30 –15 4 40 –24 –12 50 –36 –34 60 –47 –63 68 –68 –92 70 –65 –85 80 –49 –57 90 –35 –31 100 –16 4 Cooling System Always use low silicate antifreeze with water. Premix the coolant to maintain the correct proportion of antifreeze and water. This will ensure the right mixture of coolant conditioner chemicals. Install only enough low silicate antifreeze to provide the required protection against freezing. NOTE: If Long Life Coolant (LLC) antifreeze is used, recharge at 150,000 miles/241,000 km.; replace at 300,000 miles/483,000 km. • Be sure different types of coolant are not mixed. Stay with the same coolant until a complete Replacement is performed. CAUTION: Never install 100% antifreeze for topup coolant. It could damage your vehicle. The maximum efficient Low Silicate Ethylene Glycol antifreeze concentration for extended low temperature operation is 68% glycol by volume. Exceeding this 68% limit reduces freeze protection. In an emergency, if the radiator becomes filled with water known to contain gypsum, sulfur, or chlorine, follow the below procedure: • Drain the cooling system as soon as possible • Flush the system Model 330 PB1318 3/01 – 149 –
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Cooling System<br />
Adding Coolant<br />
A mixture of water and low silicate antifreeze should be used<br />
for coolant. Water must be clean and free of corrosive and<br />
scale-forming chemicals. Drinking water may not be good for<br />
your vehicle. New vehicles come premixed with antifreeze<br />
and corrosion inhibitor. Be sure different types of coolant are<br />
not mixed. Stay with the same coolant until a complete<br />
replacement is performed.<br />
NOTE: Excess coolant may result in overflow, loss of<br />
antifreeze, and reduced corrosion protection. For a<br />
cold engine, the proper coolant level is 1 in. below<br />
the radiator cap seal. For normal operating temperatures,<br />
coolant should be even with the radiator cap<br />
seal.<br />
Coolant Conditioner<br />
A variety of test methods are available for measuring coolant<br />
conditioner levels. Test strips provide convenient and consistent<br />
results with minimal training. Other test methods can be<br />
used when appropriate training is provided. The actual test<br />
(i.e. test strips, etc.) and coolant conditioner maintenance<br />
schedule should be done in accordance with the actual coolant<br />
conditioner manufacturer recommendations.<br />
Preventive Maintenance<br />
The coolant conditioner should be recharged according to<br />
Table 2, “Recommended Maintenance Intervals,” Page 121,<br />
unless otherwise specified in the Engine Manufacturer’s<br />
Maintenance Manual. See the Medium Duty Maintenance<br />
Manual for more information.<br />
Antifreeze Mixture<br />
The maximum efficient Low Silicate Ethylene Glycol antifreeze<br />
concentration for extended low temperature operation<br />
is 68% glycol by volume. Exceeding this 68% limit reduces<br />
freeze protection. Table 8, (”Antifreeze Protection — Ethylene<br />
Glycol”) shows the temperature protection provided by<br />
low silicate ethylene glycol antifreeze in relation to the proportion<br />
mixed with water. Note that 100% antifreeze is no<br />
more effective than a 30% mixture.<br />
Refer to Table 8, (”Antifreeze Protection — Ethylene Glycol”)<br />
for specific antifreeze freeze point protection. To avoid possible<br />
overheating in hot weather, do not use Low Silicate Antifreeze<br />
concentrations greater than 50% glycol by volume<br />
unless freeze protection below –34°F (–36°C) is also<br />
required.<br />
– 148 – PB1318 3/01 Model <strong>330</strong>