Nakayama NS4010 Mode D'emploi page 7

EN
Figure 7-8
Adjustment of the gasoline engine
Each gasoline engine has been strictly tested and inspected in our factory, general, the machine can normally run without any
adjustment. After operating some time, adjust to gasoline engine as following procedure if necessary:
Filler
Figure 7-9
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 screwing 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. Screw off lock nut and move the throttle support to completely open the valve.
c. . After moving the throttle support, opening valve and turning the throttle governor lever in same direction to
furthermost position where it can reach, screw up lock nut. d. Check if throttle support and valve move smoothly. e.
Install the fuel tank.
Lock Nut
Governor Screw
7
Throttle Governor Lever
Throttle Support
Throttle Valve
Figure 7-11
WWW.NIKOLAOUTOOLS.COM
1. Throttle switch handle
2. Close position of the throttle switch
3. Carburetor drain bolt
Valve
Figure 7-10
Notes of unpacking
Carefully make the gasoline engine in normal condition
when unpacking. Carefully check whether they are
complete according to the packing list. Our company
provides gasoline engine with fine quality, environment,
performances and cost ratio high.
If you have any question in the operation, please consult
with local dealer or directly telephone to our after sale
service centre.
CAUTION
Don't disassemble the gasoline engine by yourself within
warranty period! (In case the engine is disassembled,
the warranty is void)
Rocker arm
Valve lock nut
Valve gap adjusting nut
For increasing valve gap, screw out the
nut.
For decreasing valve gap, screw up the
nut.