Black & Decker PS7525, Original Instructions Manual, Page: 8 / 12

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ENGLISH (Original instructions)
Electrical safety
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This tool is double insulated; therefore no earth wire is
required. Always check that the power supply
corresponds to the voltage on the rating plate.
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If the supply cord is damaged, it must be replaced by the
manufacturer or an authorised Black & Decker Service
Centre in order to avoid a hazard.
Using an extension cable
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Always use an approved extension cable suitable for the
power input of this tool (see technical data). The extension
cable must be suitable for outdoor use and marked ac-
cordingly. Up to 30 m of HO7RN-F 2 X 1.5 mm² extension
cable can be used without loss of product performance.
Before use, inspect the extension cable for signs of
damage, wear and ageing. Replace the extension cable
if damaged or defective. When using a cable reel, always
unwind the cable completely.
Voltage drops
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Under certain power supply conditions this product may-
cause short-time voltage drops during start-up.
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Other equipment may be affected. For example, electri-
clights may temporarily reduce in brightness.
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Contact the supply authority, if necessary, to determine
that the impedance of the power supply is lower than
0.411 ohms. Disturbances are unlikely to occur under this
condition.
Guard against electric shock
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Prevent body contact with earthed or grounded surfaces
(e.g. metal railings, lamp-posts etc.). Electric safety can
be further improved by using a high-sensitivity (30 mA/
30mS) Residual Current Device (RCD).
Features
This tool includes some or all of the following features.
1. On/off switch
2. Lock-off button
3. Power cord retainer
4. Strap clip
5. Angle wheel
6. Pole extension release lever
7. Sprocket cover
8. Locking nut
9. Guide bar
10. Chain
11. Oil resevoir cap
12. Sheath
13. Locking Nut Cap
Assembly
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Warning! Before assembly, make sure that the
appliance is switched off and unplugged.
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Warning! Always wear protective gloves when
working with pole pruner.
Oiling the chain
You must do this whenever you use a new chain (10) for the
first time. Take the new chain (10) and soak it in chain oil for at
least an hour before using it. Use BLACK+DECKER chain oil.
We recommend that you use only BLACK+DECKER oil during
the lifetime of your chainsaw because mixtures of different oils
could lead to the oil becoming degraded, which can drastically
shorten the lifetime of the saw chain and create additional
risks.
Never use waste oil, thick oil or very thin sewing machine oil.
These may damage your chainsaw.
Fitting the guide bar and chain (fig. A - E)
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Place the pole pruner onto a stable surface.
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Remove Locking Nut Cap (13).
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Unscrew the locking nut (8) counterclockwise to remove
the sprocket cover (7) (fig. A).
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Place the chain (10) over the guide bar (9) making sure
that the saw chain cutters are facing the correct direction
by matching the arrow on the chain with the graphic on the
sprocket cover (7) (fig. B).
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Place the chain (10) round the sprocket (14) on the saw
while lining up the hole on the guide bar with the chain
adjustment pin (15) (fig. C).
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The chain adjustment pin may require re-positioning by
turning the screw (16) (fig.D) to align it with the hole in the
guide bar.
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Support the guide bar whilst re-fitting the sprocket cover
(7) and the locking nut (8)
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Place the pole pruner onto a stable surface.
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Loosen the locking nut (8) by one full turn using the span-
ner provided
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With a screwdriver turn the screw (16) (fig.D), clockwise
increasing the chain tension.
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Check tension by pulling the chain from the chain bar
(fig.E).
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Turn the screw clockwise and counter clockwise to
achieve the correct tension. Tension is correct when chain
snaps back to the bar after being pulled 3mm from the
chain bar.
Warning! Do not over tension the chain as this will lead to
excessive wear and will reduce the life of the bar and chain.