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- 41
Inspection of Oil Pressure
Oil Pressure: 130
～
170kpa at 3000r/min
Lower or higher oil pressure may be caused by:
Ⅰ
Oil pressure is too low
Clogged oil filter;
Leakage from oil passage;
Damaged O-ring;
Oil pump failure;
Combination of above items;
Ⅱ Oil pressure is too high
Oil viscosity is too high;
Clogged oil passage;
Combination of above items;
Testing Oil Pressure
Install hose
①
and hose
②
;
Connect tachometer
③
with ignition coil
Install oil pressure gauge ④ and joint seat to main oil
gallery.
Warm up engine as per following:
Summer: 10 minutes at 2000r/min
Winter: 20 minutes at 2000r/min
After warming up, increase engine speed to 3000r/min,
and record readings of oil pressure gauge.
Tools ： Oil pressure gauge
Tachometer