TROUBLESHOOTING

Hydraulic inspection.

Install 3 pressure gauges, on the valve inlet (use M port, or tee into hose supplying oil from the pump to the inlet), on the workport that is not operating, and on the LS port.

With the spools in Neutral

Gear pump – P should be approximately 200 psi, LS = 0, workport – pressure on cylinder or function.

LS pump – P should equal pump standby pressure, LS = 0, workport – pressure on cylinder or function.

Pressure Comp pump – P should equal pump standby pressure, LS = 0, workport – pressure on cylinder or function.

Gear pump – P should be approximately 200 psi higher than LS, LS should equal workport, workport – pressure on cylinder or function.

LS pump – P should be LS + standby, LS should equal workport, workport – pressure on cylinder or function.

Pressure Comp pump – P should equal pump standby pressure, LS should equal workport, workport – pressure on cylinder or function.

Operate one spool, measure pressures with function at end of travel or stop

Gear pump – P should equal valve relief setting or workport shock valve setting. LS should equal workport. Workport should equal relief setting or workport shock valve setting.

LS pump – P should equal valve relief setting, pump max pressure setting, or workport shock valve setting. LS should equal workport. Workport should equal relief setting, pump max pressure setting, or workport shock valve setting.

Pressure Comp pump – P should equal pump standby pressure, LS should equal workport. Workport should equal pump standby pressure or workport shock valve setting.

Operate more than one spool.

Gear pump – P should approximately 200 psi higher than LS. LS should equal highest workport pressure. Workport – pressure on cylinder or function.

LS pump – P should be LS + standby pressure. LS should equal highest workport pressure. Workport – pressure on cylinder or function.

Pressure Comp pump. P should equal pump standby pressure. LS should equal highest workport pressure. Workport – pressure on cylinder or function.

Possible hydraulic problems.

Cylinder leak.

LS signal leaking to tank before reaching pump LS port.

Hydraulic system or pump not supplying flow to valve.

Parts Section 5-29

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Tiger JD 62-6420 manual Hydraulic inspection
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JD 62-6420 specifications

The Tiger JD 62-6420 is a powerful and versatile machine designed to meet the demands of various agricultural applications. With its robust construction and advanced technology, this model stands out in the contemporary market of agricultural equipment. Built with a focus on performance and efficiency, the Tiger JD 62-6420 is an essential tool for farmers looking to enhance productivity and streamline their operations.

One of the main features of the Tiger JD 62-6420 is its impressive engine. Equipped with a high-performance diesel engine, it provides exceptional horsepower, ensuring that the machine can tackle even the toughest field conditions. The engine is designed with fuel efficiency in mind, allowing operators to reduce operational costs while maintaining optimal power output. This balance of performance and efficiency is critical for agricultural tasks that require consistent and reliable power.

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The tractor is also equipped with modern hydraulic systems that provide superior lifting capabilities, making it ideal for various attachments and implements. Whether it is plowing, cultivating, or hauling, the hydraulic system ensures smooth operation and the ability to perform multiple tasks effortlessly. This versatility is one of the defining characteristics of the Tiger JD 62-6420, allowing it to adapt to changing farming needs.

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Overall, the Tiger JD 62-6420 represents a blend of power, technology, and durability, making it a top choice for modern agricultural operations. With its innovative features and focus on performance, it stands as a testament to the advancements in agricultural machinery, enabling farmers to achieve greater productivity while minimizing their environmental footprint. Whether for small farms or larger agricultural enterprises, the Tiger JD 62-6420 delivers reliability and efficiency.
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