Repair instructions
Cleaning and inspection
1
If the throttle and choke butterflies and their
spindles were removed, these must be refitted.
Lubricate the spindle bearings with light oil.
Clean all the carburettor components in petrol. Use
an airline to dry off the petrol from all components.
Blow through all the channels in the carburettor
body and check that they are not blocked.
2
Insert the plug in the hole with the convex side
upwards and expand it by pressing downwards
with a drift.
Check that:
•
The gasket, pump diaphragm and metering
diaphragm are undamaged.
3
•
There is no play in the throttle and choke valves.
Refit the high and low speed jet screws and
springs, plus the idling screw. Fit the plastic caps
over the high and low speed screws.
4
Fit the fuel filter, using the handle of a small screw-
driver.
•
•
•
The needle valve and its lever arm are not worn.
The fuel filter is undamaged.
5
Fit the pump diaphragm, gasket and cover to the
pump unit.
The tips of the high and low speed jet screws
are not damaged.
•
The air intake duct is not cracked.
6
Carburettor – reassembly
NOTE!
Cleanliness is very important when reas-
sembling the carburettor. Tiny particles of
dirt can cause operating problems.
Fit the needle valve with lever arm, spindle and
spring and tighten the screw.
Use a rule to check that the lever arm is level with
the cover face. If necessary, the lever arm can be
bent slightly.
7
Fit the metering diaphragm with its gasket and refit
the cover to the metering unit.
8
Carry out pressure testing.
The item numbers in the diagram refer to the steps
below (1–8).
English – 33
| Categories | Chainsaw Manuals, Husqvarna Chainsaw Manuals |
|---|---|
| Tags | Husqvarna 340, Husqvarna 345, Husqvarna 346XP, Husqvarna 350, Husqvarna 351, Husqvarna 353 |
| Model Year | 2003, 2004, 2005, 2006 |
| Download File |
|
| Document Type | Operator's Manual |
| Language | English |
| Product Brand | Husqvarna, Chainsaw |
| Document File Type | |
| Publisher | husqvarna.com |
| Wikipedia's Page | Husqvarna |
| Copyright | Attribution Non-commercial |
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