Zenit RH-1300, Instruction Manual

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7
When the drill bit touches an iron reinforcing rod, the bit will stop immediately and
the rotary hammer will react to revolve. therefore please grip the side handle and
handle tightly as shown in fig. 8.
3. rotation only
this rotary hammer can be set to
rotation only mode by pressing the
push button and turning the change
lever to mark.
to drill a wood or metal material using
the separately sold drill chuck and chuck
adaptor, proceed as follows. installing
drill chuck and chuck adaptor:
• Attach the drill chuck to the chuck adaptor.
• The part of the SDS-plus shank is the same as the drill bit.
caution.
Application of force more than necessary will not only reducing drilling efficiency at
all, but will deteriorate the tip edge of the drill bit and reduce the service life of the
rotary hammer in addition.
Do not attempt to drill anchor holes or holes in concrete with the main unit in the rota-
tion only function.
Do not attempt to use the rotary hammer in the rotation and striking function with the
drill chuck and chuck adaptor attached. this would seriously shorten the service life of
every components of the machine.
caution
When using the drill follow these rules:
• continuous use of the drill should not exceed 15 minutes;
• do not allow mechanic damage (strikes, falls etc.);
• protect the drill from external sources of heat and chemically active substances, as
well as liquid and objects penetration;
• provide effective cooling and drilling wastes withdrawal from the tool working zone;
• before disconnecting the tool from the power source turn off the On/Off switch;
• check the engine temperature, do not allow overheating;
• change the rotation direction only after switching off the tool and complete stop of
rotating parts;
• do not use bits not intended for concrete and brick drilling in impact mode.
inobservance of these rules will make warranty void!