Tool Lubrication; Carbon Brushes; Maintenance - Bosch 11304 Operating/Safety Instructions Manual

BM 1619929522 12/02 12/10/02
Service
Preventive maintenance
WARNING
!
performed by unauthorized
personnel may result in misplacing of
internal wires and components which
could cause serious
recommend that all tool service be
performed by a Bosch Factory Service
Center or Authorized Bosch Service Station.

TOOL LUBRICATION

Your Bosch tool has been properly
lubricated and is ready to use. It is
recommended that tools with gears be
regreased with a special gear lubricant at
every brush change.

CARBON BRUSHES

The brushes and commutator in your tool
have been engineered for many hours of
dependable service.
Your tool is equipped with a Pop-out brush
system. The tool will shut off when brush
replacement, lubrication and preventive
maintenance are needed.
Only genuine Bosch replacement brushes
specially designed for your tool should be
used.
If an extension cord is
! WARNING
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.
* Hammer hauler (Model 11304K only)
(*= standard equipment)
(**= optional accessories)
3:43 PM Page 8

Maintenance

Every second brush change, the bearings
should be replaced at Bosch Factory Service
Center or Authorized Bosch Service Station.
Bearings which become noisy (due to heavy
load or very abrasive material cutting) should
hazard. We
be replaced at once to avoid overheating or
motor failure.
WARNING
!
the power supply before cleaning or
performing any maintenance. The tool may
be cleaned
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 openings.
CAUTION
!
plastic parts. Some of these are: gasoline,
carbon tetrachloride, chlorinated cleaning
solvents,
detergents that contain ammonia.
Accessories
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
3-6 18
6-8 18
8-10 18
10-12 16
12-16 14
-8-
BEARINGS
Cleaning
To avoid accidents always
disconnect the tool from
most effectively with
Certain cleaning agents
and solvents damage
ammonia and household
2
Wire Sizes in mm
Cord Length in Meters
50 100 150 15 30 60 120
16 16 14 .75 .75 1.5 2.5
16 14 12 .75 1.0 2.5 4.0
16 14 12 .75 1.0 2.5 4.0
16 14 12 1.0 2.5 4.0 —
12 — — — — — —