Husqvarna 435, 435E and 440E chainsaw fuel filter and fuel hose guide will help with any fuel filter cleaning, replacement, inspection and correct running of the chainsaw. A Service Manual detailing the Fuel filter removal and refitting procedures with full diagrams, as well as more complete chainsaw repair information, is available to download. Also a Husqvarna and 435, 435e and 440e Parts List, Operator Manual, and Zama carburetor manual are also available to view or download as a PDF which can be read on any device or easily printed.

Replacing The Fuel Filter On The Husqvarna 435, 435E and 440E Chainsaw

NOTE!

Do not use knurled pliers to disconnect or reconnect the fuel hose. This could damage the hose and lead to leakage or fracture.

1

First, remove the old fuel filter from the tank unit using special tool 502 50 83-01.

Fig 51

2

Pull the fuel hose (B) out of the tank unit and pull off the filter.

3

Fit the new fuel filter (A) and feed the fuel hose back into position.

Replacing the fuel hose/ return hose

The fuel hose is molded and can only be removed from outside of the fuel tank.

Use suitable pliers with a plain cutting face and loosen the hose (B) (see figure 45) from the fuel tank. Align the cut-out against the plastic pin when assembling. Replace the return hose when required.

Replacing the air-purge

Fig 52

Dismantling

1. Dismantle the cylinder cover and the air filter.
2. Loosen the suction hose (C) and return hose from the fuel pump (see figure 31).
3. Unsnap the fuel pump from the filter holder.

Assembling

1. Fit the return hose on the fuel pump.
2. Snap the purge into the filter holder (see figure 51).
3. Assemble the air filter and cylinder cover.

Husqvarna 435, 435e, 440e chainsaw-How to Replace the fuel filter