3
Safety regulations
• Before starting, read these instructions carefully.
• Important safety information is given at various points in these
instructions.
• Special attention must be paid to the safety information con
-
tained in frames and accompanied by a warning symbol (triangle)
and a signal word, as shown below.
Indicates immediate hazards which WILL result in serious or
fatal injury if the warning is not observed.
DANGER
Indicates hazards or hazardous procedures which COULD result
in injury or damage to equipment if the warning is not observed.
WARNING
Indicates hazards or hazardous procedures which COULD result
in injury or damage to equipment if the warning is not observed.
CAUTION
• Read through the operator’s instructions for both the drill rig and
the DTH hammer thoroughly before putting the DTH hammer into
service. Always follow the advice given in the instructions.
• Use only authorized parts. Any damage or malfunction caused
by the use of unauthorized parts is not covered by Warranty or
Product Liability.
The following general safety rules must also be observed:
• Make sure that all warning signs on the rig remain in place and
are free from dirt and easily legible.
• Make sure there are no personnel inside the working area of the
drill rig during drilling, or when moving the rig.
• Always wear a helmet, goggles and ear protectors during drilling.
Also observe any local regulations.
• The exhaust air from air driven hammers and grinding machines
contains oil. It can be dangerous to inhale oil mist. Adjust the lubri
-
cator so that the correct rate of lubrication is obtained.
• Make sure that the place of work is well ventilated.
• Always check that hoses, hose nipples and hose clamps are prop
-
erly tightened and secured, and that they are not damaged. Hoses
that come loose can cause serious injury.
• Local regulations concerning air hoses and connections must
always be strictly observed. This is especially the case if the DTH-
hammer is to be operated at pressures above 10 bar (145psi).
• The machine must not be used for purposes other than those
prescribed by Secoroc. See “Application” on page 8.
Technical data
Dimensions and weights COP 32 COP 42
Length without drill bit 925 mm 960 mm
Length excl. thread 849 mm 884 mm
Outside diameter
77 mm (82
mm*)
96 mm
Piston diameter 60 mm 76 mm
Stroke 100 mm 100 mm
Male connection thread 2 3/8 API Reg 2 3/8 API Reg
Female connection thread Rd 50-6 (-*) -
Spanner flat on top sub 50 mm 65 mm
Weight without drill bit 23 kg (26 kg*) 35 kg
Drilling parameters
Working pressure
6-12 bar, 87-
174 psi
6-18 bar, 87-
260 psi
Rotation speed with button bit 30-40 r/min 25-35 r/min
Feed force 2-6 kN 3-8 kN
Feed force, normal, approx 3,5 kN 5 kN
Hole diameter range
85-100 mm (90-
100 mm*)
100-152 mm
Air consumption at different working pressures (with standard choke
plug)
6 bar 40 l/s 56 l/s
10.5 bar - 110 l/s
12 bar 90 l/s -
16 bar - 200 l/s
Blowing capacity
6 bar 180 l/s 120 l/s
10.5 bar - 200 l/s
12 bar 325 l/s -
16 bar - 330 l/s
Impact rate (strokes/min)
6 bar 1290 1344
10.5 bar - 1650
12 bar 1750
16 bar - 1950
Penetration rate in Swedish granite, 2200 bar, 30% SiO, mm/min
(Standardized laboratory test)
Bit size 90 mm 115 mm
6 bar 110 mm/min 112 mm/min
10.5 bar - 276 mm/min
12 bar 300 mm/min -
16 bar - 468 mm/min
* COP 32HD
Performance figures are average values for new hammers at sea
level.
Specifikations and other data subject to alteration without prior
notice.
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