MG MERO 18 P, MERO 22 P Operating Instructions Manual
OPERATING INSTRUCTIONS
Pneumatic Carton Stapler for coiled staples
MERO 18 P + MERO 22 P
Page: 1
Mod.: 804
ET 675, 676
Page 1 of 6 04.05.2018
Model
Size of tool
(mm)
Weight
(kg)
Staples
32 mm crown size
for single and light double
corrugated cardboard
for double corrugated
cardboard
MERO 18 P
233 x 230 x
115
2,37
R 1/58 = 15 mm
R 1/34 = 18 mm
Leg length:15 mm, 18 mm, Capacity: 1000 staples
for double corrugated
cardboard
for double and light triple
corrugated cardboard
MERO 22 P
233 x 230 x
115
2,37
R 1/34= 18 mm
R 1/78 = 22 mm
Leg length: 18 mm, 22 mm Capacity: 1000 staples
E:\Bedienungsanleitungen\MERO Bedienungsanl. deutsch-englisch 104\Bedien MERO 22 P englisch 104.doc
1) Cap
2) Body
3) Collar
4) Adjustment Plate
5) Adjusting Rod
6) Magazine Seat
7) Cover
8) Trigger
1 2 3 4 5
6
7
8
OPERATING INSTRUCTIONS
Pneumatic Carton Stapler for coiled staples
MERO 18 P + MERO 22 P
Page: 2
Mod.: 804
ET 675, 676
Page 2 of 6 04.05.2018
1 Usage
Pneumatic stapling tool for fastening the flaps of filled cartons of single, double or light triple corrugated
cardboard boxes.
2 Important note
It is the customer’s responsibility to have all operators and service personnel read and understand this
manual. This stapling tool may only be used by specially advised persons (s. Annex).
Prior to first use, please lubricate all movable parts, then insert staples (s. Chapter 3.3). The air supply
should be connected with a quick release coupling. It is operated by a motive agent (compressed air). This
stapling device is made solely for normal operation in industrial spheres or similar areas (use as directed).
The tool should be fitted with a maintenance unit with pressure regulator, air cleaner and oil spray units to
ensure smooth trouble free operating and long life.
2.1 Environmental conditions
The tool should be used with indoor conditions (room temperature, etc.). Usage within explosive
atmosphere is only permitted with the manufacturer’s prior approval.
2.2 Emission
The noise level is max. 93 dB(A) (L WA, Is). Heterogeneous gases will not be emitted by the stapling
device.
2.3 Technical Data
Connection: 1/4´´
Operation pressure: 5 - 7 bars; max. 8 bars
Air consumption: 1,1 NL/stapling
2.4 Safety instructions
COUTION: Keep your hands away from base of the machine at all times! Danger of injury!
Never exceed the recommended maximum pressure for the stapling tool.
Do not attempt to use a defective stapling tool.
Never load the stapling tool until you are ready to use it.
Never attempt to fasten into very hard or brittle material such as concrete, steel or tile etc..
Use only clean, dry regulated COMPRESSED AIR. Never use oxygen, carbon dioxide or other
bottled gases.
Always disconnect the tool from the air supply and empty magazine before: work breaks - changing
parts - servicing stapling tool.
3 Operating Instructions
3.1 Functional description
The stapling tool should be fitted with maintenance unit. The maintenance unit should be adjusted to one
drop lubrication, e.g. Unocal RX 22, per 40-50 machine cycles.
The stapler MERO 18 P can be used with the following coiled staples: R 1/58, R 1/34.
The stapler MERO 22 P can be used with the following coiled staples: R 1/34, R 1/78.
OPERATING INSTRUCTIONS
Pneumatic Carton Stapler for coiled staples
MERO 18 P + MERO 22 P
Page: 3
Mod.: 804
ET 675, 676
Page 3 of 6 04.05.2018
3.2 Handling
Insert staples into the magazine (7) (s. Chap. 3.3). Adjust the stapling tool as required (s. Chap. 3.4 - 3.6).
Place the stapler MERO 18 P or MERO 22 P on top of the carton to be sealed in a way that the flap joint
is directly in the centre of the stapling tool (s. arrow in the front of stapler). Then activate trigger (8) to
release stapling. The anvils will extend, clinch the staples and return automatically into the tool. Release
trigger (8). Then move the tool to the next stapling position.
For an optimal fastening result apply staples approx. 1cm to the rim of the carton.
Caution: The stapler should only be moved with the anvils completely returned into the tool
to avoid damage to the retractable anvils!
3.3 To load staples
Before inserting staples disconnect air supply!
The cover (7) has to be squeezed slightly and folded backward. Insert the coil as shown into the magazine
seat and push the staples into the stapling tool until stop. Then fold the cover (7) forward until the cover is
locked.
3.4 Adjusting leg length of staples
Before adjusting disconnect air supply!
Loosen screw with hexagonal recessed hole (I) with 3 mm hexagon spanner, turn the adjusting rod (5)
180° with a screw driver to the required position. For long leg length turn adjusting rod (5), so that L is in
upright position, for short leg length turn adjusting rod (5), so that S is in upright position. Fasten the
screw again with hexagonal recessed hole (I).
8
5
7
Staple coil
7
MERO 18 P
Leg length
15 mm
R 1/58
18 mm
R 1/34
MERO 22 P
Leg length
18 mm
R 1/34
22 mm
R 1/78
adjusting
rod position
S
L
S
L
I
5
OPERATING INSTRUCTIONS
Pneumatic Carton Stapler for coiled staples
MERO 18 P + MERO 22 P
Page: 4
Mod.: 804
ET 675, 676
Page 4 of 6 04.05.2018
Loosen screws (S) in magazine seat (6) and move right (R)
and left (L) stapling plate outward for long leg length (18)
and inward for short leg length (15). Fasten screws (S)
again.
3.5 Staple clinch control (closed or open clinch)
Should adjustment of the staple clinch be necessary, it
should be carried out as follows: turn collar (3) with a matching tool (W), e.g. 2,5 mm rod, turn the collar
(3) counter clockwise for a looser clinch, turn the collar (3) clockwise for a tight clinch. For thick carton
quality a looser clinch may be recommendable as the staple can penetrate deeper into the carton.
3.6 Adjustment of penetration
For adjusting the penetration of the anvils loosen front screw (F) by means of a 6 mm hexagon spanner
(I). Move body up or down into the required position. Fasten front screw (F) again. If the body (2) is in
the upper position, the stapling penetration (A) is maximal. If the body (2) is in the lower position,
penetration (B) is minimal.
F
2
Tight clinch
Looser clinch
Middle position for optimal clinch
B
A
A = penetration adjustment
B = anvil
C = staple
Tight clinch
offene Heftung
R S L
W
3
open clinch
open clinch
Loading...