Martin CleanScrape User manual

CleanScrape
®
Small Cleaner
Operating Instructions
Version: 0
Language: English
M4082E ZA 2022-07 CSP1 S

2M4082E ZA 2022-07 CSP1 S
Table of Contents
Table of Contents ..................................................................................................... 2
1General.................................................................................................................. 3
1.1 About these operating instructions ................................................................. 3
1.2 General information on cleaners..................................................................... 4
1.3 Intended usage............................................................................................... 4
1.4 Use in hazardous areas according to the ATEX directive............................... 5
1.5 Personnel qualification.................................................................................... 6
1.6 Technical data ................................................................................................ 7
1.7 Requirements for the usage site..................................................................... 7
2Safety..................................................................................................................... 8
2.1 General safety instructions............................................................................. 8
2.2 Personal protective equipment ....................................................................... 9
2.3 Safety markings on the system....................................................................... 9
2.4 Special safety instructions for usage in ATEX areas .................................... 10
3Preparations before installation........................................................................ 11
3.1 Required maximum of tools and materials.................................................... 11
3.2 Checking the operating conditions................................................................ 12
3.3 Unpacking/transportation.............................................................................. 12
3.4 Identification of the correct installation position ............................................ 13
4Installing Belt Cleaner & Tensioner.................................................................. 18
4.1 Locating belt cleaner..................................................................................... 19
4.2 Installing tensionermount plate..................................................................... 22
4.3 Installing tensioner on outside chute wall...................................................... 24
4.4 Installing tensioneroninside chute wall ......................................................... 26
4.5 Installing tensionermount plate..................................................................... 27
4.6 Installing tensioneroninside chute wall ......................................................... 29
4.7 Tensioning cleaner........................................................................................ 30
5After Installing Belt Cleaner .............................................................................. 32
6Maintenance / Servicing / Repair ...................................................................... 34
7Troubleshooting................................................................................................. 36
8Disassembly / Recycling / Disposal.................................................................. 38
9Part Numbers...................................................................................................... 39

3M4082E ZA 2022-07 CSP1 S
1 General
1.1 About these operating instructions
These operating instructions apply solely for cleaners and are intended for those
persons who install cleaners, commission them, and monitor their usage.
The operating instructions must be kept for the lifetime of the cleaners and must
be made available in an orderly condition to all persons entrusted with work with
and on the cleaners.
All illustrations are schematic representations and make no claim to
completeness.
NOTE
Before starting work on the cleaner or the conveyor, these operating
instructions must be read and understood completely!

4M4082E ZA 2022-07 CSP1 S
1.2 General information on cleaners
Cleaners are used in the discharge area of the belt conveyor to remove adhering
bulk material from conveyor belts. The cleaning result is increased by using
multiple cleaners.
Pre-cleaners are installed at the head pulley, below the discharge parabola of the
bulk material.
Secondary cleaners are installed behind pre-cleaners when viewed in the
direction of belt travel and are used for fine cleaning of the conveyor belts. The
typical installation position is behind the discharge pulley, but still inside the chute
enclosure.
These operating instructions describe actions and measures for the use of
cleaners on closed discharge enclosures of the conveyor. If the discharge area
of the conveyor is not enclosed, the operator must take precautions to ensure
that the cleaners can be relocated, installed, maintained, and repaired in the
same way.
Furthermore, the operator must ensure that all necessary protective measures
for safe operation of the system with cleaners have been taken.
Cleaners must be easy to check, clean and maintain. Appropriate means of
access must be provided for this purpose.
1.3 Intended usage
Cleaners are used for mechanical removal of bulk material sticking on conveyor
belts with smooth surfaces. They may only be used:
•in the industrial area above ground
•on the carrying side of the conveyor belts
•according to the technical data in the documentation
•in the installation position as described in the documentation
The usage of the cleaners is only considered to be as intended if the following
conditions are also fulfilled:
•Before starting initial work, the personnel must have been instructed on
the work on the system and on all relevant issues of occupational health
and safety
•Any personal protective equipment required must be worn
•The provisions of the operating instructions must be observed in full.
Operation of the cleaners under deviating conditions and unauthorised
modification of the cleaners is considered as improper usage.

5M4082E ZA 2022-07 CSP1 S
1.4 Use in hazardous areas according to the ATEX directive
The standard version of the cleaner is NOT suitable for use in hazardous areas.
Martin Engineering offers special product variants that are suitable for use in
ATEX zones 22 and 21 under certain circumstances. These product variants
contain mandatory additional components or have special product
characteristics.
Special instructions for the use of cleaners in ATEX zones must be observed.
Requirements for the use of these special product variants:
•Minimum ignition energy of the bulk material: >10 mJ
•Belt connections are vulcanised
•There are no substances in the bulk material which could generate
impact sparks on the cleaners.
•Coatings (corrosion protection) have standard layer thicknesses
(max.80µm)
•Earthing cables are properly installed (Bleeder resistance < 106Ω)

6M4082E ZA 2022-07 CSP1 S
1.5 Personnel qualification
Only authorised and qualified personnel may be entrusted with work with and on
the conveyors and cleaners. Persons are considered qualified if they have the
qualification of a skilled worker and meet all the following requirements:
•completed professional training or at least 5 years of professional
experience in the field,
•technical experience,
•knowledge of the relevant occupational health and safety regulations.
The persons must
•be able to assess the tasks and risks assigned to them,
•be able to recognise potential dangers in advance,
•be physically and cognitively able to operate the conveyors and cleaners
safely,
•have been trained and instructed appropriately,
•have read and understood these operating instructions.
Work on earth connections, cabling, switching, control, regulation, automation,
and all electrical components may be carried out only by trained electricians.

7M4082E ZA 2022-07 CSP1 S
1.6 Technical data
1.7 Requirements for the usage site
For information on the required spatial requirements of the cleaner and the
tensioner, see the following chapters.
Operating parameter Size S
Belt widths:
400 … 1000 mm
Pulley diameter:
300 … 550 mm
Belt speed:
4 m/s for conveyor belts with mechanical splices
6 m/s for conveyor belts with vulcanised splices
Temperature range:
-25 … +80°C
Reversing operation:
Can remain in use, but no cleaning function

8M4082E ZA 2022-07 CSP1 S
2 Safety
2.1 General safety instructions
DANGER
Entanglement in conveyor belt
Clothing or body parts can become entangled in the conveyor and cause serious or
fatal injuries.
Tensions may be released in the conveyor belt and cause movement of the bulk
material without prior detection.
−Do not carry out any work on the conveyor belt while it is in operation or
reach into the moving conveyor belt!
−Secure the conveyor against unintentional restart! Use lockout / tagout /
blockout / testout procedures!
−Install suitable guards to prevent access to the infeed section!
WARNING
Danger of injury due to unapproved component parts
Unapproved parts can directly or indirectly cause personal injury or damage to
property.
−Only use accessories and spare parts that are distributed by the
manufacturer or are explicitly approved (in writing)!
WARNING
Working in confined spaces
Areas in which cleaners are installed are often difficult to access and include
confined spaces. It is often necessary to work in difficult positions.
−Determine whether occupational safety measures are necessary that go
beyond the usual measures!
WARNING
Risk of falling down
Cleaners are often mounted and operated in heights. There may be a risk of falling
down.
−Therefore, use a fall protection device when installing in higher working
areas!

9M4082E ZA 2022-07 CSP1 S
2.2 Personal protective equipment
Persons carrying out work on cleaners must wear suitable personal protective
equipment.
Minimum requirements:
2.3 Safety markings on the system
The safety markings on the cleaners must be always kept in good condition and
clearly visible.
If parts of the system are replaced, ensure that the spare parts are or will be
provided with appropriate warning signs.
Symbol
Meaning
Wear head and eye protection.
Wear at least ankle-high foot protection.
Use gloves.
Use fall protection.

10 M4082E ZA 2022-07 CSP1 S
2.4 Special safety instructions for usage in ATEX areas
DANGER
Usage in ATEX zones 22 and 21
Combustible dust can cause explosions and thus cause serious or fatal injuries.
−Ensure that all explosion-related parameters and operating modes are
observed.
−Observe all instructions for usage in hazardous areas.
−Ensure that the bulk material meets the specified requirements before the
conveyor is switched on.
−Ensure that the cleaners are suitable for all explosion-related parameters and
operating modes of the application.
−Ensure that the conveyor belts do not have any metallic connectors. All belt
connections must be vulcanised.
−Ensure that the bulk material is free of foreign substances that could create
an ignition source for the dust/air mixture.
−Ensure that any necessary metal-separating devices are operating
effectively.
−Install cleaners in such a way that no metal part can contact moving
components even when the blade is completely worn.
−Use only tools and aids that are approved for use in the respective ATEX
zone.
−Ensure that the cleaners are tensioned against the conveyor belt with the
maximum forces / tension values specified.
−Ensure that the earth connections of the cleaners are installed correctly.
−Use only cleaners as special product variants that are suitable for use in
potentially explosive areas.
−Measure the gas and dust content of the environment before using open
flames.
−Prevent electrostatic charges, for example by cleaning plastic enclosures with
a dry cloth.
−Work on earth connections, cabling, switching, control, regulation, automation
and all electrical components may be carried out only by trained electricians.

11 M4082E ZA 2022-07 CSP1 S
3 Preparations before installation
3.1 Required maximum of tools and materials

12 M4082E ZA 2022-07 CSP1 S
3.2 Checking the operating conditions
Before installation, check whether the cleaner is suitable for the application.
For this purpose, it must be ensured that:
•the available space allows unobstructed installation, maintenance, and
repair of the cleaner,
•the cleaner meets the requirements for the respective operation (ambient
conditions, operating mode of the conveyor, properties of the bulk material,
fire protection, explosion protection, etc.)
•a plugged conveyor chute may cause additional pressure against the
cleaner and may cause damage belt. Ensure conveyor chute remains
unplugged. Use a plugged chute sensor where appropriate.
•special product variants are used if the cleaners are operated in ATEX
zones 22 and 21 and all explosion-related parameters and operating
modes are observed.
Ensure the conveyor belt is free of damages. Especially belt edge damages and
protruding parts of the conveyor belt can get caught in the cleaner and cause
further damage
3.3 Unpacking/transportation
WARNING
Heavy weight
The cleaners may have weights that require handling by lifting devices. Handling
heavy cleaners by hand can cause serious skeletal injuries.
−Use suitable aids if the load is > 25 kg per person!
−Identify the centre of gravity! Ensure that the cleaner cannot tilt during the
lifting process!
•Inspect shipping container for damage. Report damage to delivery service
immediately and fill out delivery service’s claim form. Keep any damaged
goods subject to examination.
•Remove belt cleaner assembly from shipping container.
•If anything is missing contact Martin Engineering or a representative.

13 M4082E ZA 2022-07 CSP1 S
3.4 Identification of the correct installation position
General Instructions
Correct Mounting Position Incorrect Mounting Position
Figure 1: Belt Cleaner Mounting Orientation
Inspect belt cleaner mounting area for possible obstructions that could
interfere with proper mounting. Refer to following guidelines:
•Ensure cleaner does not lie in path of material unloading
from conveyor belt.
•The top side of cleaner should be no less than the 2 o’clock position.
Material could strike the back of the cleaner causing wear which will
lead to premature failure.
•Theideal installationangle is 17°–18°. Installationanglesof15°–21°
are acceptable. Higher angles lead to increased wear on the blade.
•Belt width must notexceed a ratio of3:1 to the head pulley diameter.
For example, the maximum belt width for a conveyor with a 300 mm
(12 in.) head pulley is 900 mm (36 in.).
•Chute walls must be strong enough to not flex as tension is applied
to cleaner. If chute wall flexes inadequate tension may be applied
to cleaner resulting in poor cleaning performance. Additional chute
wall structure support may be added to prevent chute wall from
flexing.
NOTE
−Ensure that the specified installation positions are fully observed.
−Ensure that maintenance of the cleaner can be carried out without problems.
−Provide the required possibilities for inspection and maintenance.

14 M4082E ZA 2022-07 CSP1 S
•The distance between the cleaner and the chute wall should be
minimized. Martin Engineering recommends keeping the distance
to 150mm (6 in.) maximum per side (see Figure 4). Excess cable
could result in vibration that could damage the belt or the cleaner.
If necessary, build a sub-wall to support the tensioners in the
proper position. Consult Martin Engineering for installation
assistance if parameters fall outside of this range.
•For typical installations, start with the bottom rope in the 6 o’clock
position. The exact positioning of the top rope is a result of the
installation angle.
•For belts with low product flow, lower the top rope until cleaner is
out of material path. Cleaner angle must be 15° or greater.
Lack of service can contribute to poor belt cleaning performance. Follow local
guidelines for access:
•Clearance for service outside the chute must be at least equal to the
belt width.
•Cleaners must have service platforms. Cleaners should be
mounted at least 600 mm (24 in.) above the work platform.

15 M4082E ZA 2022-07 CSP1 S
Typical Belt Cleaner Mounting Positions
Figure 2: Typical Belt Cleaner Mounting Positions
Belt t P t
Tp e
Bottom
e
Tp e
Bottom
e
Pr t isc rge Poi t
Belt t Point
Tp e
Bottom e
Tp e
Bottom e
Pr t
D
ischa
ge
P t

16 M4082E ZA 2022-07 CSP1 S
Low Product Flow Belt Cleaner Mounting Positions
Figure 3: Low Product Flow Belt Cleaner Mounting Positions
Pr t
Disc rge
P t
Tp e
Belt t P t
Pr t
Disc rge
P t
Belt
p
Tp e Belt t P t

17 M4082E ZA 2022-07 CSP1 S
Installations with Wide Chute Walls
Figure 4: Installations with Wide Chute Walls
NOTE
The maximum distance between chute wall and edge of blade is 150 mm (6 in.).
Excessfreecablecausestoo much vibration resulting in damage to cleaner and
components. If necessary, build a sub wall to support the tensioners.
150 mm ( 6 in.) Maximum
150 mm ( 6 in.)
Maximum

18 M4082E ZA 2022-07 CSP1 S
4 Installing Belt Cleaner & Tensioner
DANGER
Entanglement in conveyor belt
Clothing or body parts can become entangled in the conveyor and cause serious or
fatal injuries.
Tensions may be released in the conveyor belt and cause movement of the bulk
material without prior detection.
−Do not carry out any work on the conveyor belt while it is in operation or
reach into the moving conveyor belt!
−Secure the conveyor against unintentional restart! Use lockout / tagout /
block out / test out procedures!
−Install suitable guards to prevent access to the infeed section!
DANGER
Automatic start-up of the conveyor
Serious or fatal injuries due to unintentional start-up of the conveyor.
−Switch off the conveyor before starting work and secure it against being
switched on again.
−Follow safe procedures to prevent unintentional restart.
WARNING
Heavy weight
The cleaners may have weights that require handling by lifting devices. Handling
heavy cleaners by hand can cause serious skeletal injuries.
−Use suitable aids if the load is > 25 kg per person!
−Identify the centre of gravity! Ensure that the cleaner cannot tilt during the
lifting process!

19 M4082E ZA 2022-07 CSP1 S
Figure 5: Belt Cleaner Location & Chute Wall Cutouts
4.1 Locating belt cleaner
On both sides of chute, find pulley center point (A).
Measure radius of head pulley including lagging and belt thickness(B).
On the far side of chute, start from center point (A), measure the total distance
calculated in step 2 ( B + 13 mm [1/2 in.]), and draw an arc on chute wall.
On the operator side of chute, start from center point (A), draw an arc on chute
wall with a radius of (B + 13 mm [1/2 in.]). Draw an additional arc on chute wall
with a radius of (B + 28.7 mm [1-1/8 in.]).

20 M4082E ZA 2022-07 CSP1 S
On the far side of chute:
a) If bolting fixed point bracket to chute wall, do the following:
(1) Position fixed point bracket on far side chute wall as shown in Figure 5.
Align bolt hole on bracket with head pulley center line.
(2) Mark bracket hole locations.
(3) Drill or cut two 12.7mm (1/2-in.) holes for screws in far side chute wall.
(4) Mount fixed point bracket to inside of far side chute wall using countersunk
screws and nuts.
b) If welding fixed point bracket to chute wall, do the following:
(1) Position fixed point bracket on far side chute wall as shown in Figure 5.
Align bolt hole on bracket with head pulley center line.
(2) Weld bracket to chute wall. Weld completely around bracket. Do not skip
weld.
Figure 6: Installing Fixed Point Bracket
c) Install brackets (C) using nuts (B). Hand tighten nuts.
d) Attach cleaner to far side bracket by inserting hex head screw and large
flat washer (C) through cable eyelet (D) and fastening with flat washer
and nut (E). Hand tighten nuts.
D
C
E
F
A. Bracket
B. Nut (2 used)
C. Allen Head Screw and Large Flat
Washer (2 used)
D. Cable Eyelet (2 used)
E. Flat Washer and Nut (2 used)
B
A