Ryobi OHT-1845 User Manual page 16

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OPERATION
Release the trigger lock button and continue to
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squeeze the trigger for extended operation.
STOPPING THE HEDGE TRIMMER
Release the trigger to stop the hedge trimmer.
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Upon release of the trigger, the trigger lock button will
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be automatically reset to the lock position.
OPERATING TIPS
Do not force the hedge trimmer through heavy
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shrubbery. This can cause the blades to bind and
slow down. If the blades slow down, reduce the pace.
Do not try to cut stems or twigs that are larger than
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10 mm thick, or those obviously too large to feed into
the cutting blade. Use a non-powered hand saw or
pruning saw to trim large stems.
If desired, you can use a string to help cut your hedge
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level. Decide how high you want the hedge. Then,
stretch a piece of string along the hedge at this height.
Trim the hedge just above this guide line of string.
See Figure 4. Trim the side of a hedge so that it will be
slightly narrower at the top. See Figure 5. More of the
hedge will be exposed when shaped this way, and it will
be more uniform. If blades do become jammed, stop the
motor, allow the blades to stop and remove the battery
pack before attempting to remove the obstruction.
Wear gloves when trimming thorny or prickly growth.
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When trimming new growth, use a wide sweeping
action, so that the stems are fed directly into the cutting
blade. Older growth will have thicker stems and will be
trimmed easiest by using a sawing movement.
DANGER
If blade jams on any electrical cord or line,
DO NOT TOUCH THE BLADE! IT CAN BECOME
ELECTRICALLY LIVE AND VERY DANGEROUS.
Continue to hold the hedge trimmer by the
insulated rear handle or lay it down and away from
you in a safe manner. Disconnect the electrical
service to the damaged line or cord before
attempting to free the blade from the line or cord.
Failure to heed this warning will result in serious
personal injury or possible death.
WARNING
Clear the area to be cut before each use.
Re-move all objects such as cords, lights, wire,
or string which can become entangled in the
cutting blade and create a risk of serious
personal injury.
I P NL S DK N FIN GR HU CZ RU
English
MAINTENANCE AND REPAIR
REPLACING BLADES
REMOVING THE BLADE (Fig. 6 & 7)
Remove battery pack from hedge trimmer.
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Place hedge trimmer upside down on a workbench
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and remove four (4) blade cover screws.
Remove blade cover. See Figure 6.
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Remove bar plate from the two pins. See Figure 7.
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Remove retaining ring, washer and retaining plate.
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See Figure 7.
Align the cams.
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NOTE: The yokes can not be lifted unless it clears
the lip of the cams.
Remove the four (4) blade screws.
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Each blade has an oval yoke attached at one end.
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Slide the blades into position so the yokes align.
Remove the blade from the housing.
INSTALLING THE BLADE (Fig. 6 & 7)
Align the cams.
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Place new blade on housing and align yokes to drop
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into place. Rotate the blade so that it drops past the
lower cam.
NOTE: When properly aligned, the blade assembly
fits in recessed slot in motor housing.
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WARNING
Avoid using solvents when cleaning plastic parts.
Most plastics are susceptible to damage from
various Types of commercial solvents and may
be damaged by their use. Use a clean cloth to
remove dirt, oil, grease, etc. When servicing use
only identical Ryobi replacement parts. Use of
any other parts can create a hazard or cause
product damage.
CAUTION
Do not at any time let brake fluids, gasoline,
petroleum based products, penetrating oils, etc.,
come in contact with plastic parts. They contain
chemicals that may damage, weaken, or
destroy plastics.
WARNING
Blades are sharp. When handling blade assembly,
do not place your hand or fingers between blades
or in any position where they could get pinched
or cut. NEVER touch blades or service unit with
battery pack installed.
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