Geely JL481Q, Manual

Page: 143 / 198

(2) Smear new sealant onto the oil sump, and use 19 bolts and two nuts to install the oil sump. The torque is 4.9Nm.
II. Engine Oil Examination & Engine Oil Filter Troubleshooting
Examination:
1. Examine the engine oil quality Check whether the engine oil has
been deteriorated, soaked, discolored or become thin. If engine is
deteriorated,replace it oil quality levels ᷛ above SG level(API),
SAE10W-30,SAE10W-40,SAE15W-40, SAE5W-30(winter).The
proposed engine oil viscosity is shown in Fig. 311.
2. Examine the engine oil level
Preheat the engine and stop it for five minutes, and the engine oil
level should be between "L" and "F" on the oil dipstick. If it is too low,
you shall check whether there is any leakage and fill engine oil to a
degree that the engine oil level arrives to the mark "F".
Note: do not fill the engine oil to the degree that its level is higher
than the mark "F".
3. Remove the oil pressure switch and install the oil pressure meter.
(1) Remove the oil pressure switch by using a special servicing tool.
(2) Mount the oil pressure meter for measurement (See Fig. 312)
4. Preheat the engine
Preheat the engine to its normal temperature.
5. Examine the oil pressure
The oil pressure should is 49KPa or above at the idling speed; while
at the speed of 3,000r/min, it should range from 294KPa to 539KPa.
6. Remove the oil pressure meter and reinstall the oil pressure
switch.
(1) Remove the oil pressure meter for measurement.
(2) Smear adhesive onto the No. 2 and No. 3 circles of screw thread
of the oil pressure switch (See Fig. 313).
(3) Use a special maintenance tool to install the oil pressure switch.
The torque to screw it tightly is 15Nm.
7. Start the engine and check whether there is any leakage.
Replacement:
Matters needing attention: extended contact with mineral oil will
leach natural fat from the skin, leading to dryness, irritation and
dermatitis. In addition, used engine oil contains contaminants that
are harmful or even inducing skin cancer. You shall minimize the
time and frequency of contact with used engine oil. It is necessary for
you to wear protection suit and gloves. Use soap and water to
thoroughly clean skin or use a certain waterless detergent to clear
away any used engine oil. Do not use gasoline for cleaning. For
environment protection, the used engine oil and oil filters must be
disposed of at sites specified for treatment.
Fig. 312 mount the oil pressure meter for measurement
Fig. 313 Smear adhesive onto the screw thread
of the oil pressure switch
Fig. 311 Applicable temperature scopes
for several kinds of engine oil
Estimated temperature scope before
the next replacement of engine oil
139