Commercial Heavy-Duty Coolant/Antifreeze and SCA
如果没有使用 Caterpillar DEAC,选择一种满足 "TMC RP329"、"ASTM D5345" 或 "ASTM D4985" 规格的应用于重型作业并且硅酸盐含量低的冷却液/防冻液。
注: 当您没有使用 Caterpillar DEAC 时,必须一年一次排放冷却系统。 同时也必须冲刷冷却系统。
当使用重型作业冷却液/防冻液时,用 3% 至 6% 容积比的 Caterpillar SCA 来处理。 请参阅本出版物, "传统冷却液/防冻液冷却系统保养"专题(保养部分)。
如果不使用 Caterpillar SCA,选择一种市售 SCA。 最终的冷却液混合液中,市售 SCA 必须提供至少 1200 mg/L 或 1200 ppm (70 gr/gal) 的亚硝酸盐。
应用于重型作业、符合 "ASTM D5345" 或 "ASTM D4985" 技术规格的冷却液/防冻液可能需要在首次加注时用 SCA 进行处理。 这些冷却液必须在保养时用 SCA 进行处理。
应用于重型作业、符合 "TMC RP329" 技术规格的冷却液/防冻液不需要在首次加注时用 SCA 进行处理,但应按固定的保养周期处理 SCA。
当浓缩的冷却液混合时,Caterpillar 建议将浓缩液与蒸馏水或去离子水混合使用。 如果不具备蒸馏水或去离子水,请参阅本出版物, "一般冷却液信息"专题(保养部分)的表。
Caterpillar Information System:
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