Transportation, Storage And Disposal; Technical Data - Husqvarna 420 EL Manuel D'utilisation

To do a check of the saw chain
lubrication
Do a check of the saw chain lubrication each third
battery charge.
1. Start the product and let it run at 3/4 power. Hold
the bar approximately 20 cm (8 inches) above a light
coloured surface.
2. If the saw chain lubrication is correct, you will see a
clear line of oil on the surface after 1 minute. (Fig.
113)
3. If the saw chain lubrication is not correct, do the
following checks.
a) Do a check of the oil channel in the guide bar
to make sure that it is not blocked. Clean if
necessary. (Fig. 114)
b) Do a check of the groove in the edge of the
guide bar to make sure that it is clean. Clean if
necessary. (Fig. 115)
c) Make sure that the bar tip sprocket turns freely
and that the lubricating hole in the guide bar tip
sprocket is not blocked. Clean and lubricate if
necessary. (Fig. 116)
4. If the saw chain lubrication does not work after
following the steps above, speak to your servicing
dealer.
To do a check of the chain drive
sprocket
• Examine the chain drive sprocket for wear. Replace
the chain drive sprocket if it is necessary.
• Replace the chain drive sprocket (A) each time that
you replace the saw chain. (Fig. 117)
Transportation and storage
• Empty the chain oil tank before transportation or
before long-term storage. Discard the fuel and chain
oil at an applicable disposal location.
• Use the transportation guard on the product to
prevent injuries or damage to the product. A saw

Technical data

Motor
Type
Power, W
1782 - 001 - 03.02.2022

Transportation, storage and disposal

Technical data
To examine the cutting equipment
1. Make sure that there are no cracks in rivets and
links and that no rivets are loose. Replace if it is
necessary. (Fig. 118)
2. Make sure that the saw chain is easy to bend.
Replace the saw chain if it is rigid.
3. Compare the saw chain with a new saw chain to
examine if the rivets and links are worn.
4. Replace the saw chain when the longest part of the
cutting tooth is less than 4 mm/0.16 in. Also replace
the saw chain if there are cracks on the cutters. (Fig.
119)
To do a check of the guide bar
1. Make sure that the oil channel is not blocked. Clean
if it is necessary. (Fig. 114)
2. Examine if there are burrs on the edges of the guide
bar. Remove the burrs using a file. (Fig. 120)
3. Clean the groove in the guide bar. (Fig. 115)
4. Examine the groove in the guide bar for wear.
Replace the guide bar if it is necessary. (Fig. 121)
5. Examine if the guide bar tip is rough or very worn.
(Fig. 122)
6. Make sure that the bar tip sprocket turns freely and
that the lubricating hole in the bar tip sprocket is not
blocked. Clean and lubricate if it is necessary. (Fig.
116)
7. Turn the guide bar daily to extend its life cycle. (Fig.
123)
chain that does not move can also cause serious
injuries.
• Engage the chain brake.
• Attach the product safely during transportation.
420 EL
Series AC Motor
2000
99