Engine Oil Pressure Inspection; Coolant Level Inspection - Linhai HY740STL 2018 Service Manual

CHAPTER 3 ENGINE
M750L SERVICE MANUAL 18.0

ENGINE OIL PRESSURE INSPECTION

Inspection steps:
⚫Slightly loosen the Drain Plug 
⚫Start the engine and keep it idling until the
oil begins to seep from the Drain Plug. If no oil
comes out after one minute, turn the engine
off so it will not seize.
⚫Check oil passages and oil pump for
damage or leakage.
⚫Start the engine after solving the problem
(s), and recheck the oil pressure.
⚫Tighten the Drain Plug to specification.
CAUTION:
⚫Start the engine and check the oil pressure
with the Drain Plug loosened.
⚫Do not apply at high speeds more than
specified when checking the pressure.
NOTE:
Wipe any spilled oil off the engine.

3.2.6 COOLANT LEVEL INSPECTION

Inspect:
⚫Coolant level
Coolant level should be between the
maximum○, and minimum○, marks.
a b
When coolant level is below the "LOWER"
level line, Add coolant up to the proper level.
CAUTION:
Hard water or salt water is harmful to engine
parts. Use only soft water if coolant is not
available. Use only distilled water if soft water
is not available. If you use tap water, make
sure it is soft water.
1. Start the engine and let it warm up for
several minutes.
2. Turn off the engine and inspect the coolant
level again.
NOTE:
Wait a few minutes until the coolant settles
before inspecting the coolant level.
COOLANT REPLACEMENT
1. Remove:
⚫Front cover of ATV plastic body work.
CHAPTER 3 ENGINE PAGE 3- 13