CN104655422A - Torque converter fault detection method - Google Patents
Torque converter fault detection method Download PDFInfo
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- CN104655422A CN104655422A CN201510101818.7A CN201510101818A CN104655422A CN 104655422 A CN104655422 A CN 104655422A CN 201510101818 A CN201510101818 A CN 201510101818A CN 104655422 A CN104655422 A CN 104655422A
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- torque converter
- oil
- detection method
- fault detection
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Abstract
A torque converter fault detection method is characterized by comprising steps as follows: a), an oil return filter element on a torque converter is checked; b), oil quality of the torque converter is checked; c), the oil quantity of the torque converter is checked; d), inlet and outlet pressure of the torque converter is checked. Maintenance is performed with the method, the fault cause can be found out more quickly, the maintenance efficiency is increased, and the maintenance cost is saved.
Description
Technical field
The design relates to torque converter fault detection method, belongs to technical field of engineering machinery.
Background technology
Torque converter is a vitals of engineering machinery, a lot of engineering machinery fault, the symptom such as unable in machine work all has a lot of relation with it, traditional repair method, be all often with maintenance experience or directly take maintenance apart, this not only adds workload, also directly affects work efficiency and mechanical serviceable life.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide torque converter fault detection method, according to the method, can overhaul efficiency be provided, save the cost of overhaul.
For achieving the above object, the design is realized by following technological means:
Torque converter fault detection method, is characterized in that: comprise the following steps:
A) the oil return filter core on torque converter is checked;
B) torque converter oil is checked;
C) torque converter oil mass is checked;
D) torque converter inlet and outlet pressure is checked.
Further:
Described torque converter fault detection method, is characterized in that: described step a) comprises further:
A1) check whether oil return filter core has metal fillings; As not having, terminate this step; If any, proceed to next step;
A2) dismantle torque converter, change bearing.
Described torque converter fault detection method, is characterized in that: described step b) comprise further:
B1) check torque converter oil liquid color, if color is red or blue-tinted transparent liquid, then terminate this step; As being black or silver gray, then proceed to following steps;
B101) as being black, torque converter oil is changed;
B102) as being silver gray, checking, adjusting converter pump, turbine, guide wheel gap, and change torque converter oil;
B2) check the smell in torque converter oil liquid and impurity, if any peculiar smell or sediment, change torque converter oil.
Described torque converter fault detection method, is characterized in that: described step c) comprise further:
C1) as oil mass is normal, then this step is terminated; As oil mass is more, then proceed to next step;
C2) dump pump is overhauled.
Described torque converter fault detection method, is characterized in that: described step c1) be: the purge cock turning on torque converter lower end, the oil mass as released is 3-5L, be then that oil mass is normal.
Described torque converter fault detection method, is characterized in that: described step c2) be: purge cock of screwing on, the oil pipe after dismounting dump pump, restarts engine, and whether oil drain quantity and the discharge oil stream of observing dump pump is evenly strong; As discharged oil stream for periodically off and on, then normally; Otherwise maintenance dump pump.
The invention has the beneficial effects as follows: overhaul according to the method, comparatively fast can find out failure cause, increase overhaul efficiency, save the cost of overhaul.
Embodiment
Torque converter fault detection method, is characterized in that: comprise the following steps:
A) the oil return filter core on torque converter is checked;
B) torque converter oil is checked;
C) torque converter oil mass is checked;
D) torque converter inlet and outlet pressure is checked.As pressure is low, illustrate that in torque converter, leakage is excessive, needs to disassemble torque converter and overhauls.
Further:
Described torque converter fault detection method, is characterized in that: described step a) comprises further:
A1) check whether oil return filter core has metal fillings; As not having, terminate this step; If any, proceed to next step;
A2) dismantle torque converter, change bearing.Converter pump and turbine, guide wheel contact with each other friction, and wearing and tearing collision can produce metal fillings, and this is due to pump impeller bearing damage, make pump impeller and pump impeller drive case play.
Described torque converter fault detection method, is characterized in that: described step b) comprise further:
B1) check torque converter oil liquid color, if color is red or blue-tinted transparent liquid, then terminate this step; As being black or silver gray, then proceed to following steps;
B101) as being black, torque converter oil is changed;
B102) as being silver gray, checking, adjusting converter pump, turbine, guide wheel gap, and change torque converter oil;
B2) check the smell in torque converter oil liquid and impurity, if any peculiar smell or sediment, change torque converter oil.
Current China fluid torque-converter oil is generally No. 6 and No. 8 hydraulic transmission oils.These two kinds of oil are all added with coloring agent, are red or blue-tinted transparent liquid, must not be mixed with other oil products.Should not mix with trade mark different manufacturers product and convert use yet.Want strict preventing pollution in storage and use procedure, hold-up vessel must clean, seal.Fueling vehicle must clean, in order to avoid oil emulsifying goes bad.As color blackening, illustrate that oil is rotten.If color is silver gray, torque converter " three-wheel " collision friction is described, produces a large amount of aluminium powder, fluid torque-converter generates heat.
Check fluid smell, its method directly can smell oily taste from central transmission rear axle box dipstick when not removing other any parts.
Described torque converter fault detection method, is characterized in that: described step c) comprise further:
C1) as oil mass is normal, then this step is terminated; As oil mass is more, then proceed to next step;
C2) dump pump is overhauled.
Described torque converter fault detection method, is characterized in that: described step c1) be: the purge cock turning on torque converter lower end, the oil mass as released is 3-5L, be then that oil mass is normal.
Described torque converter fault detection method, is characterized in that: described step c2) be: purge cock of screwing on, the oil pipe after dismounting dump pump, restarts engine, and whether oil drain quantity and the discharge oil stream of observing dump pump is evenly strong; As discharged oil stream for periodically off and on, then normally; Otherwise maintenance dump pump.
More than show and describe the ultimate principle of the design, principal character and advantage.The technician of the industry should understand; the design is not restricted to the described embodiments; the principle that the design is just described described in above-described embodiment and instructions; under the prerequisite not departing from the design's spirit and scope; the design also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the design.The claimed scope of the design is defined by appending claims and equivalent thereof.
Claims (6)
1. torque converter fault detection method, is characterized in that: comprise the following steps:
A) the oil return filter core on torque converter is checked;
B) torque converter oil is checked;
C) torque converter oil mass is checked;
D) torque converter inlet and outlet pressure is checked.
2. torque converter fault detection method as claimed in claim 1, is characterized in that: described step a) comprises further:
A1) check whether oil return filter core has metal fillings; As not having, terminate this step; If any, proceed to next step;
A2) dismantle torque converter, change bearing.
3. torque converter fault detection method as claimed in claim 1, is characterized in that: described step b) comprise further:
B1) check torque converter oil liquid color, if color is red or blue-tinted transparent liquid, then terminate this step; As being black or silver gray, then proceed to following steps;
B101) as being black, torque converter oil is changed;
B102) as being silver gray, checking, adjusting converter pump, turbine, guide wheel gap, and change torque converter oil;
B2) check the smell in torque converter oil liquid and impurity, if any peculiar smell or sediment, change torque converter oil.
4. torque converter fault detection method as claimed in claim 1, is characterized in that: described step c) comprise further:
C1) as oil mass is normal, then this step is terminated; As oil mass is more, then proceed to next step;
C2) dump pump is overhauled.
5. torque converter fault detection method as claimed in claim 4, is characterized in that: described step c1) be: the purge cock turning on torque converter lower end, the oil mass as released is 3-5L, be then that oil mass is normal.
6. torque converter fault detection method as claimed in claim 4, it is characterized in that: described step c2) be: purge cock of screwing on, oil pipe after dismounting dump pump, restarts engine, and whether oil drain quantity and the discharge oil stream of observing dump pump is evenly strong; As discharged oil stream for periodically off and on, then normally; Otherwise maintenance dump pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510101818.7A CN104655422A (en) | 2015-03-09 | 2015-03-09 | Torque converter fault detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510101818.7A CN104655422A (en) | 2015-03-09 | 2015-03-09 | Torque converter fault detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104655422A true CN104655422A (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510101818.7A Pending CN104655422A (en) | 2015-03-09 | 2015-03-09 | Torque converter fault detection method |
Country Status (1)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8117750B2 (en) * | 2009-01-27 | 2012-02-21 | Younger Steven W | Clip for limiting motion of a torque converter clutch regulator valve |
| CN102426099A (en) * | 2011-09-01 | 2012-04-25 | 上海理工大学 | Torque converter detecting system |
-
2015
- 2015-03-09 CN CN201510101818.7A patent/CN104655422A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8117750B2 (en) * | 2009-01-27 | 2012-02-21 | Younger Steven W | Clip for limiting motion of a torque converter clutch regulator valve |
| CN102426099A (en) * | 2011-09-01 | 2012-04-25 | 上海理工大学 | Torque converter detecting system |
Non-Patent Citations (5)
| Title |
|---|
| 姜婷: "浅议工程机械液力变矩器维修", 《机械工程与自动化》 * |
| 李和春 主编: "《化工维修钳工上》", 31 August 2009, 化学工业出版社 * |
| 李思鼎等: "液力变矩器故障分析与排除", 《流体传动与控制》 * |
| 闫东彪: "液力变矩器的故障分析及维修使用技术", 《城市建设理论研究（电子版）》 * |
| 马丽英等: "液力变矩器的正确使用及常见故障诊断", 《建筑机械（上半月）》 * |
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Application publication date: 20150527 |
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| RJ01 | Rejection of invention patent application after publication |