-16-
Maintenance
Service
N O
U S E R
SERVICEABLE PARTS
I N S I D E . P r e v e n t i v e m a i n t e n a n c e
performed by un au thorized 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
B o s c h F a c t o r y S e r v i c e C e n t e r o r
A u t h o r i z e d B o s c h S e r v i c e S t a t i o n .
SERVICE MEN: Disconnect tool and/or
c h a r g e r f r o m p o w e r s o u r c e b e f o r e
servicing.
Batteries
Be alert for battery packs that are
nearing their end of life.
If you notice
d e c r e a s e d
t o o l
p e r f o r m a n c e
o r
s i g n i f i c a n t l y s h o r t e r r u n n i n g t i m e
b e t w e e n c h a r g e s t h e n i t i s t i m e t o
replace the battery pack. Failure to do
s o c a n c a u s e t h e t o o l t o o p e r a t e
improperly or damage the charger.
Tool Lubrication
Y o u r B o s c h t o o l h a s b e e n p r o p e r l y
lubricated and is ready for use.
D.C. Motors
T h e m o t o r i n y o u r t o o l h a s b e e n
e n g i n e e r e d
f o r
m a n y
h o u r s
o f
dependable service. To maintain peak
efficiency of the motor, we recommend
it be examined every six months. Only a
g e n u i n e B o s c h r e p l a c e m e n t m o t o r
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.
To avoid accidents, always disconnect the battery pack from tool
before servicing or cleaning.
Operating Instructions
CIRCLE-CUTTING TIPS:
•
Place small wedges (
W
) in the cut as
shown in Fig. 14, to keep the inner
circle from spreading when near the
end of the cut.
•
Use a thick jig saw blade, such as the
Bosh T101TP or T144DP whenever
possible.
•
Make sure that the jig saw’s orbital
setting is at 0 (zero)
•
Cut slowly so the blade will stay
straight in the cut.
W
W
Fig. 14
Summary of Contents for JS120
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