Linhai ATV 500-D T3 EFI, Service Manual

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CHAPTER 3 ENGINE
LH500ATV-D T3 EFI SERVICE MANUA 19.0
CHAPTER 3 ENGINE PAGE. 3- 123
• Cross-section: 4.25 mm
• Materials
• Viton GLT (blue color). For low temperature applications
• Viton A (black). All other applications.
Injector to manifold
• Dimensions:
• ID: 9.61 mm
• OD: 14.49 mm
• Cross-section: 2.44 mm
• Materials:
• Viton A (black or brown other applications.)
3.6.2.2.3 Sealrings replacement
Lubricate the seal rings with an approved lubricant or equivalent. The lubricant application process must
prevent lubricant from contacting the director plate, which could possibly restrict the injector flow.
It is preferred to not reuse the seal rings when re-installing an injector. If re-use is necessary, carefully
inspect each seal ring for any signs of damage, as even minor defects can lead to fuel / vacuum leakage.
Always install injectors and seal rings using the recommended service procedures to avoid the possibility
of a safety hazard.
When installing seal rings to the injector inlet, take extra care not to damage the seal on the injector top
flange.
3.6.2.2.4 Lubricant Recommendation
Lubrication should be applied to the O-rings only for ease of injector installation.
The table 4 is a list of lubricant oils that were tested and approved for O-ring
lubrication. These lubricants have shown to have no effect on injector performance (plugging, sticking).
3.6.2.2.5 Over -Voltage
The Multec 3 injectors and the Multec 3.5 injectors can withstand a voltage of 26v for a maximum of one
minute at a duty cycle of 100 ms pulse width and 200 ms period. The injector will be pressurized with
calibration test fluid at normal operating pressure during the test. This will not result in any permanent
physical damage to the injector or coil assembly, or any degradation in electrical performance.
3.6.2.2.6 Temperature Requirements :
Typical injector temperature environments are defined below. The Multec 3
injectors and the Multec 3.5 injectors will not experience any loss of the ability to comply with the flow
tolerance requirements after exposure to the following
temperature environments. Also, they will not experience unacceptable external
leakage, any type of physical degradation, or loss of service life during or after