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Troubleshooting; Maintenance - Black & Decker GK1940T Original Instructions Manual

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When supported at both ends:
First, cut one third down to avoid splintering and second,
u
cut again to meet the first cut.
When supported at one end:
First cut one third up to avoid splintering and second, cut
u
down to prevent splintering.
When on a slope (fig. N):
Always stand on the uphill side.
u
When attempting to cut a log on the ground (fig. M):
Secure the workpiece using chocks or wedges. The user
u
or a bystander should not steady the log by sitting or
standing on it. Make sure that the saw chain does not
contact the ground.
When using a saw horse (fig. O):
This is strongly recommended whenever possible.
Position the log in a stable position. Always cut on the
u
outside of the saw horse arms. Use clamps or straps to
secure the workpiece.

Troubleshooting

Problem
Possible cause
Tool will not start
Lock button not
pressed.
Front guard in the
brake position
Blown fuse
Tripped RCD
Mains lead not
connected
Chain does not
Chain tension is
stop instantly
too slack
when the tool is
switched off
Problem
Bar/chain appear
hot/smoking
Chainsaw does
not cut well
Chainsaw not
using oil
Possible
solution
Press the lock

Maintenance

button.
Regular maintenance ensures a long effective life for the
Reset front guard
tool. We recommend you make the following checks on a
regular basis.
Replace fuse
Warning! Before performing any maintenance on power tools:
Check RCD
u
Check mains
supply
Oil level
Check chain
The level in the reservoir should not be allowed to fall below
tension
a quarter full.
Saw chain and guide bar (fig. I)
u
u
u
(Original instructions)
Possible cause
Oil tank empty
Oil hole blocked
on chain bar
Chain tension is
too tight
Guide bar
sprocket
nose needs
greasing
Chain on
backwards
Debris in tank
Oil hole in cap
blocked
Debris in chain
bar
Debris in oil outlet remove debris
Switch off and disconnect the tool from the mains supply.
After every few hours of use and before storage, remove
the guide bar (7) and the saw chain (6) and clean them
thoroughly.
Make sure that the guard is clean and free from debris.
On reassembling, turn the guide bar (7) through 180°,
remove the slider tensioner (13) with an allen key and re
attach to the opposite side of the guide bar (7). Important
do not over tighten.
ENGLISH
Possible
solution
Check oil tank
level
Clean oil hole
Check chain
tension
Oil the guide bar
sprocket nose
Check/modify
chain direction
Sharpen
Empty oil from
tank and replace
Remove debris
from hole
Remove debris
and clean the
chain bar
11

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  Also See for Black & Decker GK1940T

This manual is also suitable for:

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