Engine Oil Level Inspection - Linhai HY740STL 2018 Service Manual

CHAPTER 3 ENGINE
and piston crown for carbon deposits.
If it is below the minimum pressure →
Squirt a few drops of oil into the affected
cylinder and measure again. Follow the table
below.
Compression pressure
(With oil applied into cylinder)
Reading
Higher than
Worn or damaged pistons
without oil
Possible defective ring (s),valves,
Same as
cylinder head gasket or Piston
without oil
→Repair.
Compression pressure(at sea level):
Standard: 1100±50 kPa
(11.2±0.5Kg/cm
Measurement steps :
⚫Crank the engine with the throttle wide open
until reading on the compression gauge
stabilizes.
WARNING :
Before cranking the engine, ground all spark
plug leads to prevent sparking.
8. Install:
⚫ Spark plug

3.2.5 ENGINE OIL LEVEL INSPECTION

1. Start the engine and let it warm up for a few
minutes.
2. Turn off the engine.
3. Remove:
⚫Oil Plug○,
1
4. Inspect: (Do not Oil Plug○,
⚫Engine oil level
Oil level should be between maximum and
minimum marks②.
If oil level is below the minimum mark, then
add oil up to the proper lever.
Diagnosis
2
, 11±0.5 bar)
in)
1
M750L SERVICE MANUAL 18.0
CHAPTER 3 ENGINE PAGE 3- 11