11
required speed. Operator must be present until the starting
process is completed.
1
choke
2
set choke to
off
position
Figure 7-6
3) Stopping engine
When running engine, keep your self far away from the
muffler and don’t face exhaust outlet. Pay close attention to any
abnormal state of the engine while it is running. If you discover
any abnormal sound, vibration, serious traveling or back firing,
etc, Stop the engine at once.
Figure 7-7
Urgently stopping the
engine
Set the stop
switch
to
OFF
position or directly pull off the spark cap.
To correctly stop the engine you: First remove load, allow
engine to idle for 2-3 minutes, then, set the stop switch to
OFF
position.
Do
NOT
directly stop the engine without removing the load in
normal condition!
1) Throttle switch handle
2) Close position of the throttle
switch
3) Carburetor drain
Figure 7-8
4) Adjustment of the gasoline engine
(4)
12
Each gasoline engine has been tested and inspected in our
factory> Generally, the engine will run without any adjustment.
Adjust to gasoline engine as needed by following procedure
below:
Feeler
Figure 7-9
Valve Rocker
Valve lock nut
Valve gap adjusting nut
For increasing valve gap, screw out the nut
For decreasing valve gap, screw up the nut
Figure 7-10
A. Adjust the valve gap: intake valve gap: 0.10—0.15mm;
exhaust valve gap: 0.15—0.20mm.
a. Grasp valve gap adjusting nut and release valve lock nut.
b. Turn valve gap adjusting nut to specified gap.
c. Grasp valve gap adjusting nut and screw up valve lock
nut. Torque: 10N.m (1.0kg.m)
d. After tightening up valve lock bolt, recheck valve gap.
B. Adjust the governor system (big and small tension spring,
throttle support, and throttle governor lever)
a. Remove the fuel tank.
b. Unscrew lock nut and move the throttle support to
completely open the valve.
c. After moving the throttle support, open the valve and turn
the throttle governor lever in same direction to farthermost
