Fromm P356 Guide
OPERATION MANUAL / SPARE PARTS LIST
PNEUMATIC
PLASTIC STRAPPING TOOL
MODEL P356
49.0374.01
CE Declaration of conformity
We declare that the machine P356
is in conformity with the following standard or
standardised documents:
98/37/EEC
FROMM Holding AG
Hinterbergstrasse 26
CH - 6330 Cham
14.05.2004
R.Fromm
Director
49037401.en/MAS/© 03.07
2
INDEX PAGE
1 SAFETY INSTRUCTIONS 3
2 TECHNICAL DATA 4
3 CHART OF TYPES 5
4 WARRANTY CONDITIONS AND LIABILITY 5
5 APPROPRIATE USE 5
6 INSTALLATION 6
6.1 Compressed air connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
6.2 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
6.3 Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6.3.1 Preselecting of strap tension and tensioning speed . . . . . . . . . . . . . . . . . . . . . 8
6.3.2 Adjusting the welding time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 OPERATING ELEMENTS 9
8 OPERATION 9
8.1 Feeding the strap around the package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
8.2 Inserting the strap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
8.3 Tensioning the strap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
8.4 Sealing the straps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8.5 Removing the tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8.6 Seal - Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
9 EXCHANGE OF WEARING PARTS 12
9.1 Exchange of tensioning wheel and grippers . . . . . . . . . . . . . . . . . . . . . . . . . . 12
9.2 Exchange of cutter, welding stop gripper and welding gripper . . . . . . . . . . . . 13
9.3 Adjustment of the coupler P35.0146 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
10 PNEUMATIC SCHEMATIC 15
11 SERVICE 15
12 CLEANING 15
13 SPARE PARTS LIST 49.0374.01 21
3
P356000101enT1.man
1 SAFETY INSTRUCTIONS
Read these instructions carefully. Failure to follow these instructions can result in severe personal injury.
Eye injury hazard
Failure to wear safety glasses with side shields can result
in severe eye injury or blindness. Always wear safety
glasses with side shields which conform to ANSI Standard
Z87.1.
Operation
Tool must not be used by persons not properly trained in
their use. Before tensioning strap, read and understand the
tool operating instructions. Failure to follow the operating
instructions or improper load positioning could result in
strap breakage.
Become familiar with your tool and keep fingers away from
areas that can pinch or cut.
Tool hazards
A well maintained tool is a safe tool!
Check tool regularly for broken or worn parts. Do not
operate a tool with broken or worn parts.
Never modify any tool. Modification can result in severe
bodily injury.
Joints
You are fully responsible to review the joints made by your
tool. Become familiar with the seal control and seal
adjustment described in this operation manual. Misformed
joints may not secure the load and could cause serious
injury. Never handle or ship any load with improperly
formed joints.
Dispensing strap
Only dispense strap from a dispenser specifically designed
for strap.
Tuck strap end back into dispenser when not in use.
Strap warnings
Never use strap as a means of pulling or lifting loads.
Failure to follow these warnings can result in severe
personal injury.
Strap breakage hazard
Improper operation of the tool, excessive tensioning, using
strap not recommended for this tool or sharp corners on
the load can result in a sudden loss of strap tension or in
strap breakage during tensioning, which could result in the
following:
• A sudden loss of balance causing you to fall.
• Both tool and strap flying violently towards your
face.
Note as follows:
• If the load corners are sharp, use edge protectors.
• Place the strap correctly around a properly
positioned load.
• Positioning yourself in-line with the strap, during
tensioning and sealing, can result in severe
personal injury from flying strap or tool. When
tensioning or sealing, position yourself to one side
of the strap and keep all bystanders away.
• Use the correct strap quality, strap width, strap
gauge and strap tensile strength recommended in
this manual for your tool. Using strap not
recommended for this tool can result in strap
breakage during tensioning.
Cutting tensioned strap
When cutting strapping, use the proper strapping cutter
and keep other personnel and yourself at a safe distance
from the strap. Always stand to side of the strap, away from
the direction the loosened strap end will fly. Use only
cutters designed for strap and never hammers, pliers,
hacksaws, axes, etc.
Fall hazard
Keep your working area tidy. Untidiness of your working
area may cause a risk of injury. Maintaining improper
footing and/or balance when operating the tool can cause
you to fall. Before tensioning and especially in elevated
areas, always establish good balance. Both feet should be
securely placed on a flat, solid surface, especially when
working in elevated areas. Do not use the tool when you
are in an awkward position.
Pay attention to the rules and regulations for preventions of
accident which are valid for the work place.
4P356000101enT1.man
2 TECHNICAL DATA
Description of the tool
The tool model P356 has been designed to strap packages with plastic strapping. The plastic strapping is fed
around the package manually or in combination with a strap feeder. The straps are inserted in the tool,
automatically tensioned, sealed by friction welding and separated.
Tool size without suspension bracket with suspension bracket
Length: 335 mm / 13.2" 393 mm / 15.5"
Width: 107 mm / 4.2" 107 mm / 4.2"
Height: 137 mm / 5.4" 280 mm / 11"
Weight: 5.4 kg / 11.9 lbs 5.8 kg / 12.8 lbs
Sound information
The A-weighted equivalent continuous sound level at the work place of the machine operator is
typical 79 dB (A).
This value was determined according to DIN 45 635 T3 (11.85).
Vibration information
The weighted effective value of the acceleration typically amounts to less than 2,5m/s2.
This value was determined according to DIN EN 28 662 T1 (01.93).
Strap material
Strap qualities: PET (Polyester) plain or embossed.
Use only plastic straps recommended by your sales shop (name and address
on the rear of the operation manual).
Strap dimensions: 16.0 - 19.0 mm / 5/8 - 3/4" x 0.4 - 1.35 mm / .016 - .053" (see chart of types).
Use only plastic straps with the correct strap dimensions for your tool.
Strap tension with steady air pressure of 5.5bar / 80 psi.
Tensioning force*: Adjustable from 800 - max. 3700 N / 180 - max. 830 lbs.
Tensioning speed*: approx. 85 - 160 mm/s / 3.3 - 6.3 inch/sec.
Joint strength*: approx. 75% of the tensile strength of the plastic strap.
* The value depends on the strap quality.
Air pressure
Joining thread / Air tube: G 1/4 / Min. inside diameter = 9 mm
Air pressure: The maximum air pressure allowed is 6.0 bars / 87 psi.
The standard working air pressure is 5.5 bar / 80 psi.
Air unit: min. G 3/8
Air line in front of air unit : min. 1/2"
Air flow of air unit: min. 570 Nl/min / 21 cu.ft/min with a maxim pressure drop of 0.5 bar / 7.25 psi.
Air consumption
Tensioning: approx. 8 Nl / 0.30 cu.ft uncompressed air per second.
Sealing: approx. 8 Nl / 0.30 cu.ft uncompressed air per second.
Oil for air unit: HL / CL ISO VG 10
5
P356000101enT1.man
3 CHART OF TYPES
4 WARRANTY CONDITIONS AND LIABILITY
FROMM Holding AG warrants all its strapping tools and machine heads during a period of 90 days from the
date of sale.
The warranty includes all deficiencies clearly resulting from poor manufacturing or faulty materials. Damage
claims as a result of production shutdowns and claims for damage to persons and to property resulting from
warranty deficiencies cannot be asserted by the customer.
The warranty excludes:
• wearing parts,
• deficiencies resulting from improper installing, incorrect handling and maintaining the tool,
• deficiencies resulting from using the tool without or with defective security- and safety devices,
• disregard of directions in the operation manual,
• arbitrary modifications of the tool,
• deficient control of wearing parts,
• deficient repair works of the tool.
• Use of consumable products not recommended by FROMM Holding AG
We reserve the right to modify the product at any time in order to improve its quality.
5 APPROPRIATE USE
The tool model P356 has been designed to strap packages with plastic strapping exclusively.
The warranty / liability excludes:
• non appropriate use of the tool,
• disregard of directions in the operation manual,
• disregard of control- and maintenance instructions.
Item No. Model Strap width Strap thickness
49.0363 P356/16/0.65-1.05 16.0 mm / 5/8"0.65 - 1.05 mm / .026 - .041"
49.0364 P356/16/1.06-1.35 16.0 mm / 5/8"1.06 - 1.35 mm / .042 - .053"
49.0373 P356/19/0.40-0.64 19.0 mm / 3/4"0.40 - 0.64 mm / .016 - .025"
49.0374 P356/19/0.65-1.05 19.0 mm / 3/4"0.65 - 1.05 mm / .026 - .041"
49.0375 P356/19/1.06-1.35 19.0 mm / 3/4"1.06 - 1.35 mm / .042 - .053"
6P356000101enT1.man
6INSTALLATION
6.1 Compressed air connection
The compressed air is to be connected to the tool preferably by a quick disconnecter (G1/4).
An air-unit consisting of a separator for water and dirt, a pressure regulator with a manometer and a lubricator
must be installed within a range of 15 ft / 5 meters. The compressed air must be free from dirt, rust and
moisture.
Possible connections at the tool
Factory produced the connection for the
air supply is prepared from the top.
According to requirement the connection
can also be assembled to the rear end of
the tool.
6.2 Accessories
Use only parts and accessories mentioned in the operating instruction.
Using other parts or accessories can cause injuries to you and other persons.
Wearing plate
As an option, tool can be equipped with a
wearing plate to protect base from
excessive wear on abrasive package
surfaces (like bricks, concrete blocks etc.).
The complete wearing plate can be
ordered together with the fastening screws
under item number P35.0148.
P35.0148 P35.3303
N1.2221
7
P356000101enT1.man
Suspension of tool
It is possible to suspend the tool on a spring loaded balancer using the suspension bracket P35.0147 which is
supplied with the tool. The suspension bracket has been designed in such a way, that the tool can be used for
all three working positions.
N1.5105
P35.2073
N2.5623
P35.3301
P35.2069
N1.2110
P35.2068
P35.2067
N6.6212
P35.0147
Mobilux EP2
8P356000101enT1.man
6.3 Adjustments
6.3.1 Preselecting of strap tension and tensioning speed
Do not adjust the tensioning force too high.
If the tensioning force is higher than the tensioning strength of the strap,
the strap will tear while the tensioning.
Tensioning force and tensioning speed can be
preselected at the control head.
Loose lock screw;
press the control head against the tool
and turn it.
Turning clockwise increases;
turning counterclockwise decreases the
tensioning force and the tensioning speed
resp..
Tight lock screw.
6.3.2 Adjusting the welding time
Depending on the size and quality of the strap,
different welding times are required.
The welding time can be adjusted at the
adjusting crew.
Turning clockwise increases,
turning counterclockwise decreases the
welding time.
Control head
Lock screw
Adjusting screw
welding time
9
P356000101enT1.man
7 OPERATING ELEMENTS
8OPERATION
8.1 Feeding the strap around the
package
The strapping is fed around the package as
illustrated.
Warning! The plastic strap which will be
welded must be free from oil, grease and other
dirt.
Dirty plastic straps can't be welded correct!
Tensioner valve lever
Handle lever
Sealer valve lever
10 P356000101enT1.man
8.2 Inserting the strap
Pull up the handle lever firmly with your right
hand.
Insert the two straps well aligned on each other
into the strap guide using your left hand.
Release the handle lever.
8.3 Tensioning the strap
Press down the tensioner valve lever and then
release it again after the desired strap tension has
been reached.
The tensioning operation can be interrupted and
restarted at any time.
The tool must carry out a balance movement
while tensioning.
Therefore:
- Don’t hinder the tools movement in the signed direction.
Disregard:
- The feed wheel slips on the strap without tensioning it.
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