Makita PM7651H Technical Information page 27

Petrol mist blower

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6-11

Carburetor section

6-11-1

Removing Carburetor

[1] Remove Air cleaner cover complete from Air cleaner plate by loosening M5x25 Pan head screw. (Fig. 6-11-1-1)

[2] Remove Air cleaner element. (Fig. 6-11-1-2)

[3] Remove two M5x70 Pan head screws that fasten Air cleaner plate and Carburetor to Cylinder head complete.

Note: Completely remove the two screws from Air cleaner plate or Carburetor cannot be removed from Cylinder head complete.

[4] Remove two tubes from Carburetor, then remove Carburetor from Cylinder head complete.

Fig. 6-11-1-1

Air cleaner cover

complete

M5x25 Pan

head screw

6-11-2

Disassembling/Cleaning Carburetor

[1] Remove Metering diaphragm cover, Metering diaphragm and Metering diaphragm gasket by unscrewing four Screws.

(Fig. 6-11-2-1)

Note: If Metering diaphragm gasket is sticking on the adjacent part, remove it with care as it is easily broken.

[2] Check Metering diaphragm for shrinkage, hardening or breakage due to aged deterioration. If any, replace it with a new one.

[3] The inner parts of Pump body assembly can be removed by removing (+) M3x4 Screw (in Pump body assembly).

M3x10 Pan head screw (2 pcs.)

Throttle valve assembly

Fig. 6-11-2-1

Pump diaphragm

Pump gasket

Inlet screen

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Fig. 6-11-1-2

Air cleaner element

Air cleaner plate

Pump body assembly

Metering

diaphragm

Metering diaphragm

cover

Screw (4 pcs.)

gasket