Linhai ATV 500-D T3 EFI, Service Manual

Page: 75 / 291

CHAPTER 3 ENGINE
LH500ATV-D T3 EFI SERVICE MANUA 19.0
CHAPTER 3 ENGINE PAGE. 3- 42
Inspection of Clutch Engagement and Lock-up
Engine is equipped with a centrifugal type
automatic clutch.
Before checking the initial engagement and clutch
lock-up two inspection checks must be performed to
thoroughly check the operation of the drive train.
I Initial Engagement Inspection
Connect tachometer to ignition coil
Start engine
Shift gear lever to “High” position
Slowly increase throttle and note down the engine
speed (r/min) when the vehicle starts to move
forward.
Engagement speed:1800r/min
～
2400r/min
If the engagement speed is out of the above range,
check the following:
Clutch shoes
Clutch shoe wheel
Primary and secondary sheave
Refer to Chapter 12 for inspection of clutch
II Clutch Lock-up Inspection
Connect the tachometer to ignition coil;
Start the engine;
Shift gear lever to “High” position;
Apply front and rear brakes as firmly as possible;
Fully open the throttle for a brief period and note the
maximum engine speed obtained during the test
cycle.
Lock-up Speed: 3300r/min
～
3900r/min
Warning:
Do not apply full power for more than 5 seconds or
damage to clutch or engine may occur.
If the lock-up speed is out of the above range, check the
following:
Clutch shoes
Clutch wheel
Primary and secondary sheave
Refer to Chapter 12 for inspection of clutch
Tool: Tachometer