Manual Hwam 4240 (page 17 of 20) (English)

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Page 17 of 20 pages

maIntEnancE

Cleaning

Any maintenance of the stove should only be carried out when it is cold. Daily maintenance is limited to

vacuum cleaning the stove externally, using the soft brush attachment. You can also dust the stove using a

dry, soft cloth or brush. But remember, only when the stove is cold. Do not use water, spirit or any other

kind of cleaner, as this will damage the lacquer.

Once a year, the stove should be thoroughly serviced. The combustion chamber should be cleared of ashes

and soot. The hinges and the closing hook must be greased with liquid copper fat spray (heat-resistant up

to 1100 °C), (drawing H). Lift the door approx. ½ cm and spray copper fat onto the hinge leaf.

Service inspection

Your stove should be given a thorough, preventive inspection once every two years. This includes:

• Thorough cleaning of the stove

• Check the spring in the Autopilot unit and replace if necessary

• Checking gaskets. Replace gaskets if they are not intact or have softened

• Checking of heat insulating material and possibly replacement

• Checking of the bottom/shaking grate

• Use copper grease for hinges and locking hooks (drawing H)

All service checks must be performed by an authorised ﬁtter. Use only original spare parts

Inside cleaning

Unless the safety ﬁttings for transportation (2 split pins) have not already been removed, start by remov

ing the split pins (drawing D).

The smoke shelf and bafﬂe plate is to be removed from the stove before cleaning

• First remove the uppermost piece of vermiculite (Skamolex) (drawing E1)

• Lift the smoke shelf out of the steel rail at the back of the combustion chamber. Next, lower it beneath

the holders and slide it out (drawing E2 )

• Lift each half of the steel smoke plate off the holder and remove them (drawing E3)

After sweeping, reinstall the parts in the stove in reverse order.

Ashes

The ash pan is best emptied by pulling a waste bag over the pan, tipping it and then carefully pulling it out

of the bag. Ashes are disposed of via the domestic waste collection.

Please note that there may be embers in the ashes for up to 24 hours after the ﬁre has

gone out!

Insulation

The efﬁcient, but porous insulation of the combustion chamber may, in time, be worn and damaged. Cracks

in the insulation are irrelevant to the efﬁciency of the stove. However, it should be replaced, if there are

actual holes due to parts of the lining falling off or when, due to wear and tear, it has been reduced to

less than half its original thickness.

HWAM

Autopilot™

Lift off the rear panel. On a cold stove, the starting point of the feeler is controlled. The starting point on

a cold stove is to be seen at drawing G. It should feel easy going and bouncy when you push it, no matter

if the stove is cold or hot. By rising or falling temperatures it must not move at a bound. The damper

plates must be dry and clean and slide together unhindered. Control bars and slide gates may have to be

smeared with WD40 (never oil).

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Others manual(s) of Hwam 4240

Hwam 4240 User Manual - German - 20 pages

Hwam 4240 User Manual - Dutch - 20 pages

Hwam 4240 User Manual - French - 20 pages

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Hwam 4240 Manual

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