Makita EH5000W Technical Information page 17

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -8. Carburetor (cont.)
DISASSEMBLING, CLEANING
(7) Check Inlet needle in the Pump body assembly if its tip is intact. Replace Controller set including Inlet needle
to the new set if Inlet needle tip is damaged. It can be removed by unscrewing M3x4 Set screw.
Check if there is any foreign material stuck on Fuel inlet before fixing Inlet needle (Fig. 33, 34, 35).
(9) Fully loosen idling screw, then, remove Pan head screws (small) for fixing Throttle valve assembly
to Carburetor body.
(10) Spray carburetor cleaner on the Inlet screen, all fuel inlets, outlets and internal routes. And then, wash them
with gasoline (Fig. 35).
Fig. 34
Component Parts of Controller set
Countersunk
head screw
Compression spring
Note;
The above parts are not supplied individually.
In case of replacement of any of the above parts,
it has to be replaced as a Pump body assembly.
(11) Make sure that Compression spring fits to the protrusion of Control lever when assembled. (Fig. 36R).
Fig. 36R
Metaling diaphragm
Control lever
Inlet needle
Fig. 35
Inlet needle
Pin
Control lever
Compression spring
fits to Protrusion
of Control lever.
Compression spring
Inlet needle worn out
in normal condition
Carbureted air leaks out
if foreign material sticks
at inlet hole.
Fig. 36F
Wrong Assembling
of Compression spring
Protrusion of
Control lever
P 17/ 26
Carbureted air leaks out
if Inlet needle is worn out.
NOK
NOK
NOK
NOK