Transportation, Storage And Disposal; Technical Data - Husqvarna 420 EL Operator's Manual

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)
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)
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
Voltage range, V
Lubrication system
Type of oil pump
Oil tank capacity, liter/cm
Weight
Chainsaw without guide bar, saw chain and empty chain oil tank, kg
1782 - 003 - 04.04.2022

Transportation, storage and disposal

Technical data
2
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
230-240
Automatic
0.20/200
4.7
97