Operation; Maintenance - Gardena TCS 720/20 Operator's Manual

1. Unscrew the lid of the oil tank
2. Fill the chain oil into the filler neck
is fully filled with oil.
3. Close the lid of the oil tank 0
The unit must be cleaned thoroughly if oil has been spilled.
To check the oil lubrication system:
v Point the bar 2 at a bright wood cutting surface at a distance of
approx. 20 cm. After operating the unit for one minute, clear traces
of oil must be visible on the surface.
Never let the bar come into contact with sand or soil as this will
lead to increased wear of the chain.

4. OPERATION

DANGER! Risk of injury!
Cut injury when the unit starts accidentally.
v Before you connect, adjust or transport the unit, disconnect
the mains cable and slide the protective cover
bar 2 and close the snap fit
To connect the pruner [ Fig. O1 ]:
DANGER! Electric shock!
To avoid damage to the mains cable
cable t must be inserted into the cable lock
v Before you operate the unit insert the extension cable
the cable lock z .
v Never take hold of the protective cover
the unit.
t
1. Loop the extension cable , insert the loop into the cable lock
pull tight.
k
2. Connect the plug of the unit into the socket
cable.
3. Connect the extension cable t
Work positions [ Fig. O5 ]:
The unit can be operated in 2 work positions (above / below). To ensure
a tidy cutting edge, thick branches should be cut in 2 steps (illustrations
similar).
– [ Fig. O2 ]: Above (thick branches): 1. From below, saw the
branch to no more than 1/3 of the dia meter (chain will push
towards the stop at the front
– [ Fig. O3 ]: Above (thick branches): 2. Cut off the branch from
above (chain will push towards the stop at the back
– [ Fig. O4 ]: Below: Cut off from above (chain will push towards
the stop at the back Y ).
To start the Pruner [ Fig. A1 / O6 ]:
DANGER! Risk of injury!
Risk of injury if the unit does not stop when you release
the start button.
v Do not bypass the safety devices or switches. For example
do not attach the starting lock-out
handle.
Verify that the following conditions are met before commencing work:
– The tank has been filled with sufficient chain oil and the lubrication
system has been checked (see 3. INSTALLATION).
– The chain is tensioned (see 5. MAINTENANCE).
To start:
The unit is fitted with a starting lock-out
turned on by accident.
1. Open the snap fit 3 and remove the protective cover
2. Hold the telescopic pipe of the unit with one hand and the handle
with the other hand.
3. Push the starting lock-out i forwards and push the start button
The unit will start.
i
4. Release the starting lock-out
To stop:
1. Release the start button o .
2. Slide the protective cover 1 onto the bar
0 .
q until the viewing window w
again.
1 over the
3 [ Fig. A1 ].
r the extension
z .
t
1 when connecting
l
of the extension
into a 230 V mains socket.
> ).
Y ).
i or start button o to the
i to prevent the unit from being
1 from the bar
.
2 and close the snap fit
To tilt the motor unit [ Fig. O7 ]:
For cutting at high and low level, the motor unit
of 60° to – 60° in 15° increments.
1. Keep the orange button
2. Tilt the motor unit
3. Release the orange button
To extend the telescopic pipe [ Fig. O8 ]:
For cutting at high and low heights, the telescopic pipe
nuously extended by up to 45 cm.
1. Loosen the orange nut
2. Extend the telescopic pipe
3. Tighten the orange nut

5. MAINTENANCE

To clean the pruner [ Fig. A1 ]:
DANGER! Risk of injury!
Cut injury when the unit starts accidentally.
v Before you maintain the unit, make sure that the mains cable is
disconnected and the protective cover
and the snap fit
DANGER! Electric shock!
Risk of injury and risk of damage to the product.
into
v Do not clean the product with water or with a water jet
(in particular high-pressure water jet).
v Do not clean with chemicals including petrol or solvents.
Some can destroy critical plastic parts.
z
and
1. Clean the unit with a damp cloth.
2. Clean the airflow slots with a soft brush (do not use a screwdriver).
3. Clean the bar 2 with a brush, if necessary.
To replace the chain [ Fig. M1 / M2 ]:
DANGER! Risk of injury!
Cut injury due to the chain.
v Wear safety gloves when replacing the chain.
When the cutting performance reduces significantly (dull chain), the chain
must be replaced. The Allen key for the screws
1
protective cover .
Only the original GARDENA Spare Chain and Bar Art. 4048 or Spare Chain
Art. 4049 can be used.
1. Open the lock s
2
2. Remove the bar
from the bar.
3. Clean the motor unit
particular attention to the rubber washers in the casing and the lid.
4. Mount the new chain via the stop at the front
ensure the direction of movement of the chain and that the stop at
the front > faces upwards.
5. Place the bar 2 on the motor unit
inserted in the bar
6. Replace the lid d
s
lock .
7. Tension the chain.
To tension the chain [ Fig. M3 / M4 ]:
RISK OF BURN INJURY!
A too tightly tensioned chain can lead to motor overload and
2 .
damage or break of the chain, whereas insufficient tensioning
(20)
can cause the chain to jump off the rail. A correctly tensioned
chain offers the best cutting performance and a longer service
o .
life. Therefore, you should check the tensioning regularly as the
chain may expand when being used (especially when the chain
is new; following first installation, the tensioning of the chain
must be checked after the chainsaw has been used for a few
minutes).
v However, do not tension the chain immediately after the
operation but wait until it has cooled down.
3 .
5 can be tilted at an angle
u pressed.
5 in the required direction.
u and allow the motor unit
e .
4 to the required length.
e again.
1 is slid over the bar
3 is closed.
a is situated inside the
and remove the lid d .
along with the chain and release the used chain
5 , the bar 2 and the lid d . In doing so, pay
> of the bar
5 in such a way that the bolt
2 and the chain is placed around the drive sprocket.
(taking care of the rubber washer) and close the
5 to engage.
4 can be conti-
2
2 , and
f is
11