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WD615柴油机维护保养 Maintenance for WD615 Diesel Engines
工程机械 Construction Machinery
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为了提高您的运营效率,降低使用成本,请您仔细阅读手册内容,进行正确的使用保养,采用正宗配件、专用油品。 潍柴动力
尊敬的用户: Respected customers: 感谢您选择了潍柴动力系列柴油机。 Thank you for using Diesel engine series of WeiChai Power. 潍柴动力友情提示: 为了提高您的运营效率,降低使用成本,请您仔细阅读手册内容,进行正确的使用保养,采用正宗配件、专用油品。 潍柴动力 Friendly tips from Wei Chai Power: In order to improve your operation efficiency and reduce cost, please read the manual carefully for proper use and maintenance. Special fittings and oil should be adopted. Wei Chai Power 第 2页 共 页
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柴油机操作人员,必须认真阅读《使用保养说明书》,熟悉柴油机结构,严格遵守说明书规定的技术操作和保养规程。
Operators of diesel engines must carefully read Operation and Maintenance Manual, and well understand the structure of diesel engines, strictly comply with the operation and maintenance stipulated in the Operation and Maintenance manual. 在本手册提出的保养要求基础上,请根据使用工况按柴油机说明书要求定期进行柴油机例行检查,并更换柴油机油。 Based on the maintenance requirements stipulated in the manual, please periodically inspect diesel engines and replace oil in accordance with work condition.
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保养内容: Maintenance contents :
合理的保养可以有效提高柴油机的使用寿命,降低故障率,减小使用成本。 Proper maintenance can effectively prolong service life of diesel engines, decrease trouble rate and reduce cost. 保养内容: Maintenance contents : 更换柴油滤芯、机油滤芯; Replace fuel filter element and oil filter element; 清理检查空气滤芯,每清理5次后必须更换。 Clean and check air filter element. Replace it every 5 times of cleaning. 保养周期:Maintenance interval: 可参考如下要求按时到潍柴动力授权服务站保养。 Maintenance should be done in time at service stations authorized by Wei Chai Power according to the following requirements:
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夏季用机油牌号:20、30、40、50,60。数字越大,其粘度越大,适用的气温
潍柴动力系列柴油机推荐使用CF-4机油。允许高品质机油替代低品质机油 常用机油规格如下所示: Recommend CF-4 oil to be used in Wei Chai Power diesel engine series. High quality oil is allowed to replace low quality oil. The specification of common oil is as follows: 粘 度级 别 Viscosity grade 0W-30 5W-30 10W-30 15W-40 20W-50 适 用温 度 applied temperature -40~30℃ -30~35℃ -25~35℃ -20~40℃ -15~50℃ 小知识:柴油牌号含义 粘度指标: 按SAE法分类机油,冬季用油有6种,夏季用油有5种,冬夏季通用机油有16种。 冬季用机油牌号:OW、5W、10W、15W、20W、25W。W符号代表冬季,W前的数字 越小,其低温流动性越好,适用的最低气温也就越低。 夏季用机油牌号:20、30、40、50,60。数字越大,其粘度越大,适用的气温 也就越高。 冬夏季通用油牌 号:0W-30、5W-30、5W-40、5W-50、10W-30、10W-40、10W-50、15W-30、15W-40、15W-50、20W-30、20W-40、20W-50。代 表冬用部分的数字越小,代表夏季部分的数字越大者,适用的气温范围越大。5W-30适 用环境温度 度,10W-30适用环境温度 度,15W-40适用环境温度 度,20W-50适用环境温度 度。 质量指标: 按照API质量分类法分汽油机油系列(即S系列),柴油机油系列(即C系 列),每个系列的油品按英文字母顺序(A、B、C、D、E、L)排列,分为若干级 别,字母排位越后,级别越高。 S系列中有SA/SB/SC/SD/SF/SG/SH/SI/SJ/SK/SL/SM等 C系列中有CA/CB/CC/CD/CE/CF等。当“S”和“C”两个字母同时出现,则表示此机油为汽 柴油通用型。 一般而言,高级别机油可以用于要求较低的柴油机上,反之则不能用。 注: SAE是美国汽车工程师学会的英文缩写,SAE等级代表油品的黏度级别。 API是美国石油学会的英文缩写,API等级代表柴油机油质量的分类。它采用简 单的代码来描述柴油机机油的工作能力。 车主在选择机油时,应根据当地的气温,参照汽车《使用手册》选用。
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夏季用机油牌号:20、30、40、50,60。数字越大,其粘度越大,适用的气温
请根据环境温度选择使用正确牌号的机油,否则易造成柴油机故障。 Please use right oil according to ambient temperature, otherwise, engine trouble can occur. 小知识:柴油牌号含义 粘度指标: 按SAE法分类机油,冬季用油有6种,夏季用油有5种,冬夏季通用机油有16种。 冬季用机油牌号:OW、5W、10W、15W、20W、25W。W符号代表冬季,W前的数字 越小,其低温流动性越好,适用的最低气温也就越低。 夏季用机油牌号:20、30、40、50,60。数字越大,其粘度越大,适用的气温 也就越高。 冬夏季通用油牌 号:0W-30、5W-30、5W-40、5W-50、10W-30、10W-40、10W-50、15W-30、15W-40、15W-50、20W-30、20W-40、20W-50。代 表冬用部分的数字越小,代表夏季部分的数字越大者,适用的气温范围越大。5W-30适 用环境温度 度,10W-30适用环境温度 度,15W-40适用环境温度 度,20W-50适用环境温度 度。 质量指标: 按照API质量分类法分汽油机油系列(即S系列),柴油机油系列(即C系 列),每个系列的油品按英文字母顺序(A、B、C、D、E、L)排列,分为若干级 别,字母排位越后,级别越高。 S系列中有SA/SB/SC/SD/SF/SG/SH/SI/SJ/SK/SL/SM等 C系列中有CA/CB/CC/CD/CE/CF等。当“S”和“C”两个字母同时出现,则表示此机油为汽 柴油通用型。 一般而言,高级别机油可以用于要求较低的柴油机上,反之则不能用。 注: SAE是美国汽车工程师学会的英文缩写,SAE等级代表油品的黏度级别。 API是美国石油学会的英文缩写,API等级代表柴油机油质量的分类。它采用简 单的代码来描述柴油机机油的工作能力。 车主在选择机油时,应根据当地的气温,参照汽车《使用手册》选用。
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目 录 Contents 1、日常维护 Daily Maintenance 2、定期保养 Periodic Maintenance
目 录 Contents 1、日常维护 Daily Maintenance 2、定期保养 Periodic Maintenance 3、维护保养周期 Maintenance Interval 4、维护保养内容 Maintenance Continents 5、机油和机油滤清器的更换 Replacement of Oil and Oil Filter 6、更换燃油滤清器 Replace Fuel Filter 7、检查空气滤清器 Check Air Filter Element 8、检查调整气门间隙 Check and Adjust Valve Clearance 9、检查调整供油提前角 Check and Adjust Fuel Supply Advance Angle
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1、日常维护 Daily Maintenance
◆检查: Inspection: ◆机油液面是否在油尺的刻线范围; Check the oil level; ◆冷却液液面; Check the coolant level; ◆燃油液面; Check the fuel level; ◆风扇有无破损; Check whether the fan is damaged; ◆传动三角皮带有无裂纹、擦伤; Check whether the V-belt is cracked or scratched; 第 8页 共 页
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1、日常维护 Daily Maintenance
◆附件紧固情况是否良好; Check whether the accessories are fixed well; ◆水油有无泄漏 ; Check whether the water or oil is leaking; ◆充电指示灯是否正常 ; Check whether the charging indicator light is in order; ◆水泵油腔内润滑脂是否充足 ; Inspect sufficient grease; ◆机油压力,水温是否正常 ; Inspect toil pressure and water temperature are normal condition; ◆柴油机排气温度、声音、振动是否正常 ; Inspect that exhaust temperature, sound and vibration are normal condition; ◆转速是否平稳。 Inspect rotary speed is stable. 第 9页 共 页
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驾驶室水温表示意图diagram of water temperature in cab
1、日常维护 Daily Maintenance 启动前查看冷却液液面,检查柴油机冷却系统有无泄漏。 Before starting the engine should check coolant level, check whether the cooling system is leaking or not. 运行中注意观察柴油机水温是否在合适的范围内。 Check whether water temperature is at the required range or not when the engine is running. 膨胀水箱 Expansion water tank 海拔3000米 以下正常水温80~95℃ The normal water temp. under the sea-level of 3000 meters is 80~95℃ 当水温过高时,请检查: When water temperature is too high, please check: ①水泵皮带张紧度the tension of water pump belt ②风扇皮带张紧度 the tension of fan belt ③节温器thermostat 驾驶室水温表示意图diagram of water temperature in cab
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2、定期保养 Periodic Maintenance
定期保养参照下表进行,若柴油机在多尘环境或在频繁停车情况下工作,须根据情况相应缩短保养周期。 Regular maintenance should be done as per the following table. If the operating condition is heavy dust content or the engine running on starting- stopping frequently, the regular maintenance period should be shortened accordingly. 第 11页 共 页
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3、维护保养周期 Maintenance Interval
period 柴油机运转时间(h) Running hours(h) 第一检查 The first inspection 30-50 例行检查 Periodical inspection 每隔 250 Every 250 1 级保养 Maintenance I(WD1) 每隔 Every500 2 级保养 Maintenance2(WD2) 每隔 Every 1000 3 级保养 Maintenance 3(WD3) 每隔 Every 2000 4 级保养 Maintenance4(WD4) 每隔 Every 第 12页 共 页
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检查和保养时发动机需要更换的物品及所需做的工作 Replacement and Work in Inspection and Maintenance of Engine
工作项目Diesel Engine Maintenance Item 第一次检查1Inspection P WD1 WD2 WD3 WD4 更换发动机机油 ( 每年至少一次 ) Replace diesel engine oil (once a year at least) ▲ 水泵 ( 通过滑脂杯润滑 ) Lubricate water pump (via grease cup) 更换机油滤清器 Replace oil filter 每次更换发动机机油时 In replacement of engine oil 检查、调整气门间隙 Check and adjust valve clearance 检查喷油咀开启压力 Check injector nozzle opening pressure 更换燃油滤清器 Replace fuel filter 清洗燃油泵粗滤器 Clean fuel pump coarse filter 检查冷却液容量并加足 Check coolant quantity and add enough coolant 更换冷却液 Replace coolant 每隔 24 个月 Every 24 months 紧固冷却管路管夹 Fasten cooling pipe clamp
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检查和保养时发动机需要更换的物品及所需做的工作 Replacement and Work in Inspection and Maintenance of Engine
工作项目Diesel Engine Maintenance Item 第一次检查1Inspection P WD1 WD2 WD3 WD4 紧固进气管路、软管和凸缘连接件Fasten connecting parts of intake pipe, hose and flange ▲ 检查空气滤清器保养指示灯 Check air filter maintenance light 清洗空气滤器的集尘杯 ( 不包括自动排尘式 ) Clean dust cup of air filter (excluding automatic dust exhauster type) 清洗空气滤清器主滤芯 Clean air filter main element 当指示灯亮时 When indicator light comes on 换掉空气滤清器主滤芯 Replace air filter main element 掉换空气滤清器安全滤芯 Replace air filter safety element 清洗 5 次主滤芯以后 After 5 times of main filter element cleaning 检查紧固三角皮带 Check and fasten V-belt 检查增压器轴承间隙 Check supercharger bearing clearance 到专门的维修点检查喷油泵 Check fuel injection pump in special maintenance station 调整怠速转速 Adjust idle speed
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4、柴油机保养内容 Maintenance Contents
1.日常保养 Daily Maintenance 预防性保养从每天做起,了解柴油机工作状况。 Preventive maintenance should be done everyday in order to understand the engine's condition. 起动柴油机以前需检查机油液面、冷却液液面和柴油液面。 Before starting the engine should check the oil level 、 coolant level and the fuel level. 检查机油油面高度 Inspect the oil level height 当油面低于油尺的下刻线或 高于油尺的上刻线时,决不允许 开动柴油机。 When the oil level is lower than the lower limit or higher than the upper limit,it is not allowed to start the engine 第 15页 共 页
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4、柴油机保养内容 Maintenance Contents
在 柴 油 机 停 车 后 检 查 油 面, 至少等 5 分钟后进行,使机油有 充分时间流回油底壳。 After the engine stopped, inspect the oil level at least 5 minutes later in order to ensure the oil can flow back to the oil sump. 油尺低位至高位的油量约差为3 升。 The oil volume tolerance between the lower limit and the upper limit is 3 liters. 第 16页 共 页
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4、柴油机保养内容 Maintenance Contents
检查冷却液液面 Inspect the coolant level 玻璃视孔观察冷却液面,冷却液不够时,可打开加水口盖加入冷却液。 Inspect the coolant level through the vitreous view hole,if the coolant is not sufficient,open the inlet cover and fill into the coolant. 注意:打开加水口盖时,必 须先按下排气按钮,以免发动机 热状态时热冷却液会伤人。 Note: When opening the inlet cover,must press down the exhaust button firstly to prevent hot coolant from injuring people 第 17页 共 页
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4、柴油机保养内容 Maintenance Contents
检查燃油液面 Inspect the fuel level 检查风扇 Inspect the fan 检查塑料风扇是否变形,铁 风扇铆钉是否松动,叶片是否弯 曲,确保风扇工作可靠。 Check whether the plastic fan is distorted. For steel fan,check whether the rivet loosened and the vane is curved to ensure reliable running 第 18页 共 页
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4、柴油机保养内容 Maintenance Contents
检查三角皮带 Inspect the V-belts 用肉眼检查三角皮带,有无裂纹或擦伤,必要时应更换。 Inspect the V-belts with your eyes to find if there is any crack or scratch on the V-belts.Replace them if necessary. 第 19页 共 页
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4、柴油机保养内容 Maintenance Contents
从喷油泵的输油泵小滤杯排出水和沉淀物。 Drain off the water and deposit from the small filtercup fitted on the fuel delivery pump. 拧开输油泵小滤杯底座螺钉, 拿下小滤杯,将水和沉淀物排除 后重新装好,拧紧。 Unscrew the bottom bolt of the small filter cup,dismount it and drain off the water and deposit, then re-install the cup again 第 20页 共 页
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5、机油和机油滤清器的更换 Replacement of oil and oil filter
2. 各级保养的保养内容 Maintenance items of various maintenances 机油和机油滤清器的更换 Replacement of the oil and oil filter 注意:正常使用的柴油机更 换机油的周期无论如何不可超过250h(1万公里)。 Note: The replacement interval of oil under proper using condition cannot beyond 250h(10,000Kilometers) 第 21页 共 页
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5、机油和机油滤清器的更换 Replacement of the oil and oil filter
32mm 开口扳手 Tool:32mm open-ended wrench 拆下放油螺塞,准备收集 20L机油。 Remove the whorl plug,prepare a container to collect 20L of oil. 注意:应在机油是热的时候放油, 热机油会伤人 Note:The oil should be drained off when it is hot. Hot oil can injure people. 第 22页 共 页
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5、机油和机油滤清器的更换 Replacement of the oil and oil filter
滤清器专用扳手 Tool: The special wrench for filter 清洁滤清器头部四周,拆下滤清器。 Clean the end surrounding of the filter,and remove it· 装上新的机油滤清器 Install the new oil filter 注 意: 安 装 机 油滤清器 时 , 密封圈要校正 - 且要在密封圈上涂上滑油。 Note:Adjust the seal ring and smear some lubricating oil on it while fitting the oil filter. 第 23页 共 页
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5、机油和机油滤清器的更换 Replacement of the oil and oil filter
32mm 开口扳手 Tool:32mm open-ended wrench 检查和清洁放油螺塞螺纹及 密封表面,并装上放油螺塞。 Check and clean the screw thread and seal ring,and then install the whorl plug . 将清洁的机油注入柴油机到 油尺的上刻度线,油底壳容量为20L。 Fill the clean oil up to the upper limit,the capacity of the oil sump is 20L. 第 24页 共 页
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5、机油和机油滤清器的更换 Replacement of the oil and oil filter
发动机怠速运转,检查滤清 器和放油螺塞处是否漏油。 Run the engine at idling speed and check the filter to find whether it leaks or not. 停车后约 5min 让机油自上部 零件流人油底壳,再检查油面高度, 必要时补充机油至油尺的上刻线。 Stop the engine and make the oil run into the sump from the upper parts 5 minutes later,then check the oil level,fill oil up to the upper limit if necessary. 第 25页 共 页
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6、更换燃油滤清器 Replace fuel filter
Replace the fuel filter 13mm 开口扳手 Tool:13mm open-ended wrench 清 洁 燃 油 滤 清 器 头 部 周 围。 松开上部螺钉,拆下燃油滤清器。 Clean the end surrounding of the fuel filter,unloosen the upper bolt and disassemble the fuel filter. 装上新的燃油粗滤芯和精滤芯。 Install the new fuel pre-filter element and filter element 第 26页 共 页
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6、更换燃油滤清器 Replace the fuel filter
将更换的燃油滤清器安装在 滤清器支架上,并拧紧螺钉。 Install the replaced fuel filter on the bracket and tighten the bolt. 排出低压油路和燃油滤清器 中的空气。 Drain off the air from the fuel delivery pipe and fuel filter 拧开喷油泵进油口放油螺钉。 Open the fuel draining bolt of the inlet of injection pump. 第 27页 共 页
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6、更换燃油滤清器 Replace fuel filter
按动输油泵柱塞,直到从放 油螺钉处流出的柴油没有空气为 止 , 然后拧紧放油螺钉。 Press the fuel delivery pump plug till the fuel drained off from the draining bolt outlet does not contain air,then tighten the bolt. 检查进气系统 Check the air intake system 检查进气胶管是否老化有裂缝、环箍是否松动, 必要时紧固或更换零件,确保进气系统密封性。 Check whether the air intake rubber pipes are aging or cracked,the steel wire hoop is loosening.If it is necessary, tighten or replace the parts to ensure good sealing performance. 第 28页 共 页
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7、检查空气滤清器滤芯 Check air filter element
Check the air filter element 柴油机最大允许进气阻力为 7kPa,柴油机必须在标定转速和 全负荷运转时检查最大进气阻力, 当进气阻力达到最大允许极限时, 应按制造厂的规定清洁或更换滤芯。 The maxi. air intake resistance of the engine is 7kpa. Air intake resistance must be checked when diesel engines run at rated speed and in full load. When the resistance reaches the max. limit permitted, should clean or replace air filter element as per relevant requirements from suppliers. 第 29页 共 页
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7、检查空气滤清器滤芯 Check the air filter element
注意:决不允许在没有空滤器时使用发动机 , 否则灰尘和杂质进入柴油机会导致发动机早期磨损。 Note: lt is not allowed to use the engine without air filter,otherwise the dust and impurity will cause early wearing of the engine. 从空滤器中拆下空滤芯,轻 拍端面使灰尘落下,也可用压缩 空气反吹 ( 由内向外吹 )。 Remove the filter core from the air filter element and beat the side of the element lightly to make dust fall down, or blow the element backward (blow back from inside to outside) by compressed air. 第 30页 共 页
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7、检查空气滤清器滤芯 Check the air filter element
注意: Note: ·不得吹破滤纸 ·Don't blow off the air filtering Paper 不得用水和油清洗滤纸 ·Don't clean the air filtering paper by water and oil ·不得用力拍打或敲打滤芯 ·Don't beat the core forcibly. 第 31页 共 页
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8、检查调整气门间隙 Check and adjust valve clearance
Check and adjust the valve clearance 13mm 套筒扳手 Tool:1 3mm sleeve wrench 拆下 6 个气缸盖罩 Disassemble 6 cylinder head covers 32mm 盘车扳手 Tool: 32mm wrench for turning the crankshaft 用盘车扳手慢慢转动柴油机 使飞轮壳上刻线对准飞轮上的 OT刻度线,此时使第一缸活塞处于压缩行程的上止点位置 ( 一缸进排气阀处于关闭状态 ) Turn the flywheel until its OT scale and the mark on its housing are aligned, push the piston to the position of TDC of compression stroke of 1st cylinder (the intake and exhaust valve of 1st cylinder are closed). 第 32页 共 页
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8、检查调整气门间隙 Check and adjust the valve clearance
塞尺 Tool:Clearance guage 进气门间隙 0.30mm The clearance of intake valve is 0.30mm 排气门间隙 0.40mm The clearance of exhaust valve is 0.40mm WEVB 系统间隙 0.25mm The Clearance of WEVB system is 0.25mm 注意:检测气门间隙时,柴油机应为冷态一一低于 60℃,塞尺在气门杆顶和摇臂间滑动时,有阻滞发粘感觉时,所测间隙值为准确值。 Note: When check the clearance of valve,the engine should be at the cool condition—its temperature is less than 60℃.When the clearance guage glides between the top of valve rod and rocker arm and can be felt retarded and sticky,the measuring result is proper. 第 33页 共 页
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8、检查调整气门间隙 Check and adjust valve clearance
采用 WEVB 系统后,排气门间隙的调整方法 ( 零件序号参见图 1): After WEVB system is used, the adjustment method of exhaust valve clearance is as follows (see Fig. 2 for part serial numbers) 1.气门间隙调整螺母 2.调节螺栓总成 3.排气门摇臂总成 4.钢球 5.气门摇臂活塞 6.摇臂活塞弹簧 7.滚针 8.球阀弹簧 9.气门摇臂座总成 10.气门间隙调整螺钉 11.六角头螺栓 12.支撑臂 1. Valve clearance adjusting nut 2. Regulating bolt assembly 3. Exhaust valve rocker arm assembly 4. Steel ball 5. Valve rocker arm piston 6. Rocker arm piston spring 7. Needle 8. Ball valve spring 9. Valve rocker arm seat assembly Valve clearance adjusting screw 11. Hexagonal bolt 12. Support arm 第 34页 共 页
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8、检查调整气门间隙 Check and adjust valve clearance
1、所要调整的气缸的活塞位于压缩行程上止点; 1. The cylinder piston to be adjusted is located on the top dead center of the compression travel. 2、如图2所示,在序号2调节螺栓总成松开,不压紧排气门摇臂封油平面的情况下先通过调整推杆端序号10气门间隙调整螺钉,将总气门间隙调整为 0.4mm,将防松螺母拧紧。 2. As shown in Fig. 2, loosen No. 2 adjusting bolt assembly. In case that the oil seal plane of exhaust valve rocker arm is not pressed, first by using No. 10 valve clearance adjusting screw at the push rod end, adjust the total valve clearance to 0.4mm. Tighten check nut. 图2 冷态排气门总气门间隙0.4mm 图3冷态排气门端气门间隙0.25mm Fig. 2 Total Valve Clearance of Cold-State Fig. 3 End Valve Clearance of Cold-State Exhaust Valve 0.4mm Exhaust Valve 0.25mm 第 35页 共 页
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8、检查调整气门间隙 Check and adjust valve clearance
3、然后如图3所示,在序号气门摇臂活塞与排气门杆端或气门杆帽之间再放入0.25mm 的塞规,通过调整序号2调节螺栓总成,将气门端间隙调整为 0.25mm,将防松螺母拧紧。 3. Then as shown in Fig. 3, insert the clearance gauge between No. 5 valve rocker arm piston and the exhaust valve rod end or valve rod cap. By turning No.2 regulating bolt, adjust the valve clearance to 0.25mm. Tighten check nut. 注意:调整过程中应转动序号2调节螺栓总成直到将塞规夹住,从而保证使序号 5气门摇臂活塞压到底,与排气门摇臂中的活塞安装孔底部平面之间无间隙。 Caution: During adjustment, turn No. 2 regulating bolt until clearance gauge is clamped so that No. 5 valve rocker arm piston is pressed to its bottom. There is not clearance between No.5 valve rocker arm piston and the piston installation hole bottom plane in exhaust valve rocker arm. 第 36页 共 页
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8、检查调整气门间隙 Check and adjust valve clearance
6# 螺丝刀、14mm 梅花扳手 Tools:6#screwdriver and14mm double offset ring wrench 第一缸活塞位于压缩行程上止点位置 。 The piston of 1 cylinder is at TDC of the compression stroke. 如步骤A所示检查或调整气门间隙 (I 表示进气,E 表示排气 )。 Check and adjust the valve clearance as step A(I-air intake Valve E-air Exhaust valve) 用塞尺调整好间隙后拧紧摇臂锁紧螺母,并复查气门间隙,直到到要求为止。 Adjust the clearance by guage and tighten the fixing nut of rocker arm,re-check the clearance till it meets the requirement. 步骤 A Step A 第 37页 共 页
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8、检查调整气门间隙 Check and adjust valve clearance
用 盘 车 扳 手 再 转 动 曲 轴 360°;也可以在减震器上做标记后转动 360°。 Turn the crankshaft 360° by the spanner;it can also be turned 360° after marking on the vibration damper. 按步骤 B 所示调整气门间隙 Adjust the valve clearance as step B 同样松动摇臂锁紧螺母,用塞尺调整 好后重新拧紧摇臂锁紧螺母。 Loosen the fixing nut of rocker arm,adjust the c|earance by guage 步骤 B then tighten the nut again step B . 第 38页 共 页
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8、检查调整气门间隙 Check and adjust valve clearance
13mm 套筒扳手 Tool:13mm sleeve wrench 安装气缸盖罩垫片和气缸盖罩。 Install the gasket and cylinder head cover 螺栓拧紧力矩 23N·m( 推荐数值 )。 The tightening torque of bolt is 23N·m(recommended) 第 39页 共 页
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9、供油提前角的调整 Adjustment of fuel supply advance angle
扭力扳手 torque wrench、18#扳头18# open-ended wrench ,辅料auxiliary material:242螺纹密封胶 242 thread sealant 操作步骤: operation as follows: 1、将柴油机盘车至一六缸上止点 Turn the flywheel until the pistons of 1st and 6th cylinders reach the top dead center. 2、再逆时针盘车至上止点前要求刻度。 Counterclockwise turn the flywheel to the scale required before pistons reach the top dead center. 3、松开联轴器上的M12的六角螺栓。 Loosen 12MM hexagon bolts of the coupling. 4、转动油泵凸轮轴(可多转几圈)将燃油泵中的气体排除。 Rotate camshaft of fuel pump (rotate more rounds) to deflate air from fuel pump. 第 40页 共 页
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9、供油提前角的调整 Adjustment of fuel supply advance angle
5、看一缸出油阀紧座油面情况,一旦出现油面上升,停止转动,此时为一缸供油位置。 Observe fuel level of fuel outlet valve seat of 1st cylinder: once the fuel level raises, stop rotating the camshaft. Here is the position of the camshaft when the fuel pump supplying fuel for 1st cylinder. 6、锁紧角度调节板,达到扭矩要求。 Lock angle adjustment plate to meet the torque requirement. 操作要求:Operating requirements: 1.最终确定调整提前角时,应与柴油机工作转 向一致。 Turning direction of the flywheel should be same as that of crankshaft of engine. 2.判断发动机一缸工作准确. Accurately judge the moving position of the piston of 1st cylinder 第 41页 共 页
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9、供油提前角的调整 Adjustment of fuel supply advance angle
3.读数准确。 Turn the flywheel to the accurate scale required 紧固螺栓时,螺纹涂242胶,扭矩 Nm。 Tighten bolts with the torque of Nm and smear 242 sealant on the thread. 7.验证供油提前角 Check the fuel supply advance angle. A,盘转发动机至油泵一缸供油,校验飞轮指示刻度是否正确。 Turn the engine until fuel pump supplying fuel for 1st cylinder, then check whether the scale is right or not. 注意: Note: 1 旋向与发动机转向一致。 Turning direction of the flywheel should be same as that of crankshaft of engine. 2 飞轮刻度读数准确。 Make sure the accurate scale required. 第 42页 共 页
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9、供油提前角的调整 Adjustment of fuel supply advance angle
B,二次验证,工步同上。 Check again, and the method is as the above. 8、拧紧一缸高压油管。 .Tighten the high pressure pipe of 1st cylinder. 第 43页 共 页
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