Makita DOLMAR PS-32C Repair Manual page 21

08 CARBURETOR
Base Setting
L= 2
H= 4
NOTE: Adjust the carburetor only
using a tachometer.
Pressure test
Connect the pressure gauge (chapter
00 item 10) to the carburetor fuel
connection 1.
Set up a pressure of max. 0.5 bar.
If the pressure drops, check the
following components:
Inlet needle, if necessary replace
control set
Inlet needle seat for dirt / foreign
objects, if necessary clean
Replace gasket 6 and diaphragm 5
on the pump side
Control lever Control lever
Correctly Too high
Reparaturanleitung PS-4600 / PS-5000
Repair Manual PS-32
Control lever
Control lever
Too low
General check
Screen 7 for contamination
Pulse hole for contamination
Check control parts
(control lever/inlet needle):
Check the tip of the inlet needle for wear.
6 Check control lever for correct installation, see
illustration to the left, check for wear.
If the control lever is too low:
5
Insufficient fuel
Insufficient fuel
No maximum power
7
If the control lever is too high:
Carburetor flooding
Starting problems
Poor idling
1
Poor transition
Check the pump diaphragm:
If pump diaphragm is dented, torn, or
creased,
If valve flaps are bent,
2
replace the diaphragm and gasket
3
Check control diaphragm:
If the control diaphragm is bent, hardened
4
or torn, or if there is visible wear on the
button 8.
8
If the diaphragm is not flexible,
replace the diaphragm and gasket.
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