Maintenance; Extension Cords - Bosch RH540M Operating/Safety Instructions Manual

BM 1619P11323 04-13_BM 1619P11323 04-13.qxp 4/23/13 7:12 AM Page 10
Preventive maintenance
W RNING
performed by unauth-
orized personnel may result in misplacing
of internal wires and components which
could cause
recommend that all tool service be performed
by a Bosch Factory Service Center or Autho-
rized 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 lubricated with Bosch
lubricant at every brush change.
CARbON bRUSHES
The brushes and commutator in your tool
have been engineered for many hours of
dependable service. To maintain peak
efficiency of the motor, we recommend every
two to six months the brushes be examined.
Only genuine Bosch replacement brushes
specially designed for your tool should be
used.
bEARINGS
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
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.
* Auxiliary Handle
* Carrying case

Maintenance

Service
serious hazard.

Extension Cords

Accessories
be replaced at once to avoid overheating or
motor failure.
REPLACEMENT OF CORD AND
CARbON bRUSHES
Your tool is designed to provide a qualified
We
service technician optimal access to replace
the carbon brushes and the cord. This
provides the service technician the ability to
replace these components without the need
of disassembling the entire tool housing.
W RNING
the power supply before cleaning or
performing any maintenance. 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 openings.
C UTION
plastic parts. Some of these are: gasoline,
carbon tetrachloride, chlorinated cleaning
solvents, ammonia
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)
-10-
Cleaning
To avoid accidents always
disconnect the tool from
Certain cleaning agents
and solvents damage
and household
Wire Sizes in mm
Cord Length in Meters
100 150 15 30 60
16 14 0.75 0.75 1.5
14 12 0.75 1.0 2.5
14 12 0.75 1.0 2.5
14 12 1.0 2.5 4.0
— — — — —
2
120
2.5
4.0
4.0
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