4.17.5 拖拉机空驶及负荷磨合
操作说明
Operator Instruction
Tractor driving without load and running in with load
当发动机空转磨合，动力输出轴及液压系统磨合后，确认拖拉机的技术状态完全正常时，方可进行整机
磨合，其磨合顺序和时间按表 4-5、4-6、4-7 规定地磨合规范进行，总计磨合 60h。空驶磨合时，在低
速下进行转弯操作和适当地使用单边制动器，并在高速下试验紧急制动。
After idling running in of engine and the running in of power output shaft and hydraulic system and
confirmation the tractor technical conditions are completely normal, you can start to conduct the entire engine
running in whose running-in procedure and time shall be in compliance with the running-in specifications in
Table4-5, 4-6 and4-7, with a total running in time of 60h. During the idle running-in, make turns at the low
speed and appropriately use single-side brake and test emergency brake at the high speed.
空驶磨合后，当拖拉机技术状态完全正常时方可进行负荷磨合，负荷必须由小到大，档位由低到高逐档
进行。选装了爬行档的拖拉机，可挂接爬行挡磨合，四轮驱动拖拉机进行 I～Ⅳ档负荷磨合时应使前驱
动桥接合：其它档磨合时，应使前驱动桥分离。磨合过程中必须注意：
Load running-in can be made only when the technical conditions of the tractor is completely normal after the
idle running-in. The load shall be from low to high while the speed shall be also from low to high. For tractor
with option of crawl shift, it can run in on crawl shift; the front axle can be engaged when the four-wheel drive
tractor is running with I -IV shift load. and it should be released when running in on other shift. During the
running-in, pay attention to:
观察电器设备和各种仪表的读数是否正常。
Check if electrical equipments and the readings for various instruments is normal
发动机运转是否正常。
Is the engine running normally or not
离合器接合是否平顺，分离是否彻底。
Check if clutch is engaged smoothly, and disengaged completely
变速箱的换档是否轻便、灵活，有无乱档、自动脱档现象。
Is gear shift of gearbox easy and flexible, with/without random shift or spontaneous out-of-gear
制动器工作是否可靠。
If brake action reliable
差速锁接合与分离是否可靠。
Differential lock engagement and disengagement are reliable or not
前驱动桥的接合与分离是否可靠。
If the engagement/release of the front axle is reliable
当发现故障时，应排除后方能继续进行磨合。
When fault occurs, running in can not go on until troubleshooting.
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