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Reparaturanleitung PS-4600 / PS-5000 20
Repair manual DCS3500 / DCS3501 / DCS4300 / DCS4301 / EA3500F / EA3501F / EA4300F / EA4301F / MEA3500L / MEA3500M / MEA4300G / MEA4300L
• Screen 7 for contamination
• Pulse hole for contamination
Check control parts
(control lever/inlet needle):
Check the tip of the inlet needle for wear.
Check control lever for correct installation, see
illustration to the left.
If the control lever is too low:
• Lack of fuel
• Poor acceleration
• No maximum power
If the control lever is too high:
• Carburetor flooding
• Starting problems
• Poor idling
•
Poor transition
Check the pump diaphragm:
•
If pump diaphragm is dented, torn, or creased,
• If valve flaps are bent,
replace the diaphragm and gasket
Check control diaphragm:
• If control diaphragm i
is obvious wear at the button 8.
• If it does not return to its original position
when pulled out of it,
replace the diaphragm and gasket.
L= 1 1/2
H= 3
NOTE: Adjust the carburetor only
using a tachometer.
Pressure test
Connect the pressure gauge (chapter
00 item 8 oder 13) to the carburetor
fuel connection 1.
Set up a pressure of max. 0.5 bar.
If the pressure falls, check the
following parts:
•
Correct assembly of Control assy
(Control lever, Inlet needle, Lever
spring, lever axle)
•
Check seat of inlet needle for
dirt/foreign parts, clean if necessary
•
Replace control assy
• Replace gasket 6 and diaphragm 5
of the pump side