Safety regulations English
These instructions contain important sections dealing with safety.
Special attention must be paid to all framed safety text that begins with a warning symbol (triangle) followed
by a signal word, as shown below:
!
WARNING
denotes a hazard or hazardous procedure which CAN lead to serious or
life-threatening injuries if the warning is not observed.
!
CAUTION
denotes a risk or risky procedure which CAN lead to personal injury or damage
to equipment if the caution is not observed.
Also observe the following general safety rules:
•
Before starting the machine, read through the instructions carefully.
•
Also read through the red safety instructions before putting the machine to use.
•
For reasons of product safety, the machine must not be modified.
•
Use approved personal protective equipment.
•
Use Atlas Copco Genuine Parts only.
•
Always replace worn or damaged signs.
Signs
Fig. 2.
Replace damaged or illegible signs. The ordering
numbers for signs can be found in the spare parts list.
Data
Engine
Type..............................................Single cylinder, two-stroke,
fan cooled
Cylinder volume............................90 cc
Power............................................2.0 kw (2.7 Hp)
Speed, machine loaded, full speed using
a tamping tool on a bed of sand ...5800-6200 r.p.m. (Cobra mk1)
......................................................6500 +/-100 r.p.m.(Cobra TT)
Speed, machine unloaded, idling .1800-2200 r.p.m.
Max. engine speed unloaded........7500 r.p.m.
Ignition system..............................Breakerless, transistor type
with built in speed limitation
Spark plug ....................................Champion RCJ8
Spark plug gap .............................0.6 - 0.7 mm
Carburettor ...................................Diaphragm carburettor
Fuel...............................................Petrol, 90–100 octane,
leaded or unleaded
Engine oil......................................Atlas Copco two-stroke oil or a
recommended two-stroke oil
Fuel mixture..................................2 % (1:50)
Tank capacity................................1.0 litre
Fuel consumption .........................1.3 l/h
Transmission unit
Gear oil.........................................Diesel engine oil
SAE 15W/40 API:CD
Gear oil capacity...........................0.1 litre
Impact unit
Impact energy...............................60 J at 24 Hz (Cobra mk1)
......................................................40 J at 27 Hz (Cobra TT)
Blows/min .....................................1440 (Cobra mk1)
......................................................1620 (Cobra TT)
Frequency.....................................24 Hz (Cobra mk1)
......................................................27 Hz (Cobra TT)
Lubrication....................................Impact mechanism through
separate oil bath
Oil for impact unit..........................Diesel engine oil
SAE 15W/40, API:CD
Oil capacity...................................0.1 litre
Oil consumption............................0.015 l/h
Other data
Length...........................................927 mm (36.5")
Depth............................................331 mm (13")
Width over handles.......................611 mm (24")
Width with handles folded.............390 mm (15.3")
Width over machine................320 mm (12.6")
Weight ..........................................25,2 kg
Tool shank, standard versions......32 x 160 mm (1 Q{r@ x 6 Q{ r@)
......................................................32 x 152 mm (1 Q{r@ x 6@)
......................................................28 x 152 mm (1 Q{8@ x 6@)
......................................................28 x 160 mm (1 Q{8@ x 6 Q{r@)
Specifications and design subject to alterations with
-
out prior notice.
5
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