Atlas Copco Pionjär, Pionjär 120, Pionjär 130, Pionjär 140, Pionjär 150 Operator's Handbook Manual

Motor Drills

and Breakers

Contents:

Two types of machines

_________________________ 4

Correct fuel mixture

____________________________ 6

Daily checks

__________________________________ 6

Safety first

____________________________________ 8

A tool for every job

____________________________ 10

Cutting and compacting asphalt

________________ 12

Concrete breaking

_____________________________ 14

Tie tamping

___________________________________ 15

Drilling

________________________________________ 16

Rock splitting

_________________________________ 20

Anchoring

_____________________________________ 21

Post driving

___________________________________ 22

Fencing

_______________________________________ 22

Digging

_______________________________________ 23

Accessories

___________________________________ 24

More information

______________________________ 26

Atlas Copco motorized drills and

breakers are designed for splitting rocks,
breaking concrete, cutting asphalt, tamping
ballast, digging and other tasks.

This booklet will help you become familiar
with the machines. You´ll find basic tech­nical information, simple instructions for
their use and an idea of the range of jobs
they are suitable for.

3

4

Two types of machine

cover most applications

• Combined drill/breaker, Pionjär and PICO 14.

Powered by a two-stroke engine with an integrated impact
mechanism, the combined drill/breaker is equipped with
rotation and air flushing mechanism for drilling applica­tions. The function selector allows you to switch between
drilling and breaking/driving applications.

5

• Heavy duty breaker, Cobra mk1. Also powered by
a two-stroke engine, the Cobra mk1 has a separate im­pact mechanism activated by pressing the machine
down. Thus, the engine can be run without engaging the
impact mechanism. As powerful as a 27 kg (60 lbs) pneu­matic breaker, the Cobra mk1 is suitable for very de­manding breaking and driving jobs.

6

Correct fuel mixture

Use the correct fuel mixture,based on fresh fuel and oil.

Pionjär 120/130

________

8%

_____

(1:12)

Pionjär 140/150

________

5%

_____

(1:20)

PICO 14

_________________

4%

_____

(1:25)

Cobra mk1

______________

2%

_____

(1:50)

Cobra 149/248

_________

5%

_____

(1:20)

Too little oil in the mixture will result in insufficient lubri­cation and increased wear. Too much oil clogs up ex­haust ports and channels. Exceptionally dirty fuel filters
should be replaced.

See instruction book for detailed information on main­tenance and servicing.

Daily checks

Simple daily maintenance will ensure trouble-free opera­tion.

Check the spark plug regularly. Dirty or burnt-out
electrodes impair performance. Check the electrode gap.

7

Electrode gaps:
Pionjär

________________________1.5/0.060”

PICO 14

______________________0.5/0.020”

Cobra mk1

___________________0.5/0.020”

Cobra 149/248

______________1.5/0.060”

Clean the air filter and housing daily . A clogged filter
will cause excessive engine wear and carbonization
which clogs up exhaust ports and channels. Never use
the machine without the air filter . Dust and stone particles
can enter the cylinder.

Check the impact mechanism oil level daily (on the
Cobra mk1). Place the machine in an upright position
and top up as necessary.

8

Safety first

For your own safety, always wear protective clothing
– glasses, gloves, shoes or boots with steel toecaps, ear
protectors and a hard hat.

For ease of operation use
your thigh as support when
running the machine.

Ear protectors

Hard hat

Shoes or
boots with
steel toecaps

Glasses

Gloves

9

Both the Pionjär and the Cobra mk1 have handle designs
that shield the operator from a large proportion of harm­ful vibrations and shock recoil.

On the Pionjär shock-absorbent rubber bushings reduce
vibration levels.

The Cobra mk1 incorpo­rates H.A.P.S, (Hand and
Arm Protection System),
Atlas Copco’s unique anti
vibration design. The leaf
spring construction
virtually eliminates
vibrations.

Avoid running the engine close to flammable material
or in poorly ventilated areas.

Always empty the fuel tank before transportation and
storage.