BM 1619929265 2/03 2/11/03 4:09 PM Page 8
SELECTOR DIALturn the selector dial to the Ohammer only�
The selector dial allows the tool to be set forsetting and slightly turn the locking sleeve to
various applications as listed in the followinghave it automatically lock into a definite
chart, (Fig. 3).position.
When using demolition or chipping bits suchSLIP CLUTCH
as bull points, chisels, spades, gouges, etc.The tool has a internal pre-set slip clutch.
the OHammer Only� mode must be selected.The output spindle will stop rotating if the
accessory binds and overloads the tool.
= drilling only:AUXILIARY HANDLE
used for... drillingThe tool must be supported with the
wood, steel, etc. auxiliary handle, which can be swiveled 360u.
To reposition and/or swivel the handle,
loosen the hand grip, move the handle to the
= drilling/hammering:desired position along the barrel and
used for... drilling securely retighten the hand grip.
concrete
TOOL TIPS
For the best penetration rates in concrete,
run the tool with a steady pressure, but do= hammering only:
used for... lightnot use excessive force as this will decrease
chipping workthe efficiency of the tool.
All grease packed hammers require a short
= vario-lock:period of time to warm up. Depending on the
allows for 36 desired room temperature, this time may vary from
positions of Ohammer�approximately 15 seconds (90uF) to 2
accessoriesminutes (32uF). A new hammer requires a
break-in period before full performance is
realized. This period may require up to 5
hours of operation.
SELECTOR DIAL - OVARIO-LOCK�
A rotary hammer is likely to be the most
Adjusting the Vario-Lock: The vario-lock canexpensive portable tool at the construction
be set in any one of thirty-six (10u increments)job. The long wear and efficient operation of
positions. Choose a position which is bestthe BOSCH hammers will more than justify
suited for your operation.
the cost for tools of this type. As earlier
Depress release button and turn thepointed out, sharp accessories as well as
selector dial, to the Ovario-lock� setting.clean air vents are necessary for efficient
Next, rotate the locking sleeve, along withoperation. Establish and follow a set
the accessory, to the desired position. Thenmaintenance program.
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ACEC
