Maintenance - Bosch IWHT180 Operating/Safety Instructions Manual

BM 2610034446 02-14_IWHT180 HTH181 HTH182 3/3/14 7:50 AM Page 11
NO USER SERVICEABLE
W RNING
PARTS INSIDE. Preventive
maintenance performed by unauthorized
personnel may result in misplacing of
internal wires and components which
could cause serious hazard. We recom-
mend that all tool service be performed by a
Bosch Factory Service Center or Authorized
Bosch Service Station. SERVICEMEN:
Disconnect tool and/or charger from power
source before servicing.
BATTERIES
Be alert for battery packs that are nearing
their end of life. If you notice decreased
tool performance or significantly shorter
running time between charges then it is time
to replace the battery pack. Failure to do so
can cause the tool to operate improperly or
damage the charger.
TOOL LUBRICATION
Your Bosch tool has been properly lubricated
and is ready for use.
D.C. MOTORS
The motor in your tool has been engineered
for many hours of dependable service. To
maintain peak efficiency of the motor, we
If an extension cord is
W RNING
necessary, a cord with
adequate size conductors that is capable
of carrying the current necessary for your
tool must be used. This will prevent
excessive voltage drop, loss of power or
overheating. Grounded tools must use 3-
wire extension cords that have 3-prong plugs
and receptacles.
NOTE: The smaller the gauge number, the
heavier the cord.
* Carrying case

Maintenance

Service
Accessories
recommend it be examined every six
months. Only a genuine Bosch replacement
motor specially designed for your tool should
be used.
BEARINGS
Bearings which become noisy (due to heavy
load or very abrasive material cutting) should
be replaced at once to avoid overheating and
motor failure.
Cleaning
To avoid accidents, always
W RNING
disconnect the tool and/or
charger from the power supply before
cleaning. The tool may be cleaned most
effectively with compressed dry air. Always
wear safety goggles when cleaning tools
with compressed air.
Ventilation openings and switch levers must be
kept clean and free of foreign matter. Do not
attempt to clean by inserting pointed objects
through opening.
Certain cleaning agents
C UTION
and
plastic parts. Some of these are: gasoline,
carbon tetrachloride, chlorinated cleaning
solvents, ammonia and household detergents
that contain ammonia.
RECOMMENDED SIZES OF EXTENSION CORDS
120 VOLT ALTERNATING CURRENT TOOLS
Cord Size in A.W.G.
Tool's
Ampere
Cord Length in Feet
Rating
25 50
3-6
18 16
6-8
18 16
8-10
18 16
10-12
16 16
12-16
14 12
(* = standard equipment)
(** = optional accessories)
-11-
solvents damage
Wire Sizes in mm
Cord Length in Meters
100 150 15 30 60 120
16 14 0.75 0.75 1.5 2.5
14 12 0.75 1.0 2.5 4.0
14 12 0.75 1.0 2.5 4.0
14 12 1.0 2.5 4.0 —
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