R660系列柴油机维修保养手册
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Maintenace Manual For R660 Series Diesel Engine
filter. The said time interval is usually 500 hours of operation depending upon the operating condition.
Check oil filter while replacing oil and clean filter element if it is found contaminated.
3．润滑脂
Grease
水泵油杯内注入锂基脂，规格为：SY1412-75。
Fill water pump oil cup with lithium based grease, SY 1412-75.
4．冷却水
Cooling Water
发动机用的冷却水必须是低硬度的洁净水。海水、含盐水、碱水、工业用水和废水等都不适用，
大多数城市的自来水使用前需进行脱氯处理。
Cooling water used in engine must be uncontaminated water with lower hardness. DO NOT use sea
water, saline water, water containing soda, industrial water and waste water. Tap water of most cities
must be dechlorinated before use.
冷却系统中可加入长效冷却液，用以防锈防冻。（配比请参阅防冻液使用说明）
Cooling system can be added with long-term coolant to prevent rust and freezing. (As for mixture ratio,
see Operating Instructions of Antifreezing Fluid.)
注意：不加防冻液且气温低于 0℃时应将机器内的冷却水放尽。
Caution: Completely drain the cooling water in engine when antifreezing fluid is not used and air
temperature is below 0℃.
5．辅助材料
Auxiliary Materials
5.1 本机在装机过程中，可使用乐泰 510、242、271、277、262 等规格的密封胶和粘结剂。
When assembling your engine, the following materials will be used: LOCTITE 510, 242, 271, 277 and
262 sealants and/or adhesives;
5.2 细钼粉。
Fine molybdenum powder.
5.3 各种辅助材料的使用部位见下表
See Table below for application positions of various auxiliary materials.
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