Makita EB5300TH Repair Manual page 34

But do not take the clearance width into consideration to
adjust Adjust screw [6], if Throttle of Carburetor does not
move to the fully open/idle positions when you operate
Throttle lever under the assembling-completed condition;
in the case of EB5300TH, it indicates that Control lever is
installed on Swivel pipe complete without twist in the
cable.
8
Check Carburetor for air leaks. Connect the tube of
1R127 with the fuel inlet nipple of Carburetor, and then
increase the tester pressure up to 0.05Mpa. The
pressure will remain unchanged for approximately 10
seconds if Carburetor has no leaks.
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Note