6-20
Final check
Be sure to check the following points.
·
Tighten each bolt/screw to the specific torque without failure.
·
Contain Regular gasoline in Fuel tank.
·
Contain 4 cycle engine oil in Oil tank.
·
Push Primer pump several times to feed the fuel into Carburetor, and then pull Starter knob to start the ignition.
As soon as you hear the first combustion sound/ start engine, let choke lever open. After that;
Engine start must be successfully completed before you pull Starter knob just 5 times or less.
·
Starter knob must stand upright after releasing the hand.
·
Whenever you pull Throttle lever to the full after idling for one minute, smooth acceleration can be obtained without engine
stalling.
·
When you tilt left and right/ back and forth about 45° on condition that engine remains idle, the engine does not stall for 20
seconds.
·
After 3 minute engine-run, you check the engine remains warm. If yes, measure the rpm with 1R070 as follows:
Idling rpm must be 3,000 min
-1
(by turning Idle adjusting screw. Engine without Shaft and blade is allowed to do the check.)
Max rpm must be 10,000 min
-1
or more with Shaft and blade attached.
·
Clutch-meet rpm
*
must be 4,100 – 4,750 min
-1
.
*
The revolution speed when the blade starts spinning by slowly increasing the engine speed.
Note:
Be careful. It is because you must check with Shaft and blade attached.
·
When you release Throttle lever and pull down Switch lever, Engine must be stopped properly.
·
In addition, just 3 times pulling or less must make the engine start again as soon as you stop the engine.
·
Leakage of gasoline/ 4 cycle engine oil is not allowed.
Fig. 6-19-1-9
[11] Fix Case gasket with Retainer plate and M4x10 Hex
socket head bolt.
Case gasket
Note:
The orientation of the
gasket does not matter.
Retainer plate
M4x10 Hex
socket head bolt
Fig. 6-19-1-10
[12] Assemble Oil case with four M5x14 Hex socket head
bolts.
Oil case
M5x14 Hex socket
head bolt (4 pcs.)
39 / 40
