RSF 820 Floor Sawing System - KOLLER Maschinenund Anlagenbau GmbH
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Floor Sawing System RSF 820
The flexible powerhouse for pros
Floor sawing system
RSF 820
The all-rounder for various floor sawing jobs
The RSF 820 can be equipped with various mounting kits and allows the user to perform multiple cutting or grinding
applications with only one basic machine. Our engineers were able to draw on 40 years of experience in the development
of this fully hydraulic floor sawing system. In addition to the existing expertise, special wishes and requirements of our
customers were also incorporated. The RSF 820 is particularly flexible in the configuration and positioning of the operator
station. Various attachment points allow mounting on all sides of the machine. Operation and monitoring are carried out
intuitively via a keypad and a joystick.
Durable, sustainable and smart design
Often, design features that are not visible at first glance are of elementary importance for the sustainable benefit of a
working machine.
The rugged frame with mounting options on all sides or the use of high-quality and durable components as well as
aggregates from reputable manufacturers are examples of this. Since particular attention was paid to the dimensions, the
RSF 820 has a very compact design. Of course, the machine is also equipped with the latest exhaust gas treatment.
Non-productive times for maintenance work are reduced to a minimum by an optimal access to the engine and other
maintenance-relevant parts. A clean-up of the air filter consumes a few seconds only, for example.
Reliability of supply first and foremost
For sure, a defect can also occur on an RSF 820. To keep downtime as short as possible, we are building up a close-knit
service network. This is how we ensure the fast and reliable supply of spare parts and services.
Customized solutions?
Even the most sophisticated machine cannot cover every conceivable application. Our experienced engineers will be
happy to advise you, even on site. We adapt your machine exactly to your special requirements. Whatever challenges
you have, we will find a solution together.
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Mounting kits - overview
Mounting kit standard cut TS 1500
• Quick change of the cutting side by pivoting the blade drive motor
• Conversion with 2000 mm blades for high cutting depths possible
• Standard and suction blade guards available in various sizes
Mounting kit green concrete SB 500
• Convenient change of the saw blade due to laterally swiveling cutting head
Mounting kit grooving GG 300
• Very simple and quick assembly of the mounting kit
• Changing the grinding shaft particularly easy
• Powerful suction blade guard for a clean grinding pattern without re-suction
Mounting kit longitudinal cut DB 550
• Particularly precise longitudinal joints in green concrete surfaces due to guidance in the central frame
• Cost-efficient pre-cutting/expanding and final cutting in a single pass
Slurry extraction plant VD 500
• Fully hydraulic design without vulnerable belt drive
• Application with all suction blade guards of the RSF 820 system
swiveled cutting head on SB 500 clean-up of the air filter in seconds Ad Blue filling neck
maintenance-friendly motor access intuitive operation operator station variant
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The RSF 820 system can be equipped with various mounting kits for floor sawing, depending on the applica-
tion requirements. The mobile and steerable basic machine supplies the kits with hydraulic power and simul-
taneously serves to control and monitor the overall system. A powerful auxiliary hydraulic system allows the
connection of further hydraulically driven machines.
Basic machine RSF 820
• drive motor with exhaust gas cleaning technology, installed in an extremely torsion-resistant U-frame to reduce vibration
• hydraulic feed drive and hydraulic steering improve maneuverability and comfort
• powerful main and auxiliary hydraulics for driving the system attachments
• central hydraulic cylinder and stable double column guide for mounting kits standard cut, longitudinal cut and grooving
• flexible mounting options for operator station, depending on use and/or operator requirements
• intuitive operation via joystick and keypad, display for control and monitoring functions
• all-wheel drive available on request (factory conversion only)
Technical data basic machine RSF 820
drive engine output 82 kW
drive engine type Perkins 4-Zylinder 904
emission level EU Stage V, EPA Tier 4 final
main hydraulic flow rate/pressure 123 l/min / 400 bar
auxiliary hydraulic flow rate/pressure 35 l/min / 180 bar
feed drive hydraulic, stepless
speed (work/transfer) 0-12 m/min / 0-60 m/min
turning radius 6,3 m
water pumpe impeller, hydraulic
content fuel tank 70 l
dimensions* (w/o exhaust pipe) l/w/h 2850 / 1200 / 2010 mm
operator station
weight 1650 kg
* with mounting kit TS 1500
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Mounting kit standard cut TS 1500
The mounting kit standard cut is used for make vertical
cuts in surfaces of concrete or asphalt.
The change of the blade mounting side is carried out
by pivoting the blade drive motor which is attached
centrally to the longitudinal axis of the machine.
Standard and suction blade guards for blade diameters
of 800, 1000, 1200 and 1500 mm are available.
Technical data mounting kit standard cut TS 1500
cutting depth from-to 70 - 625 mm
blade diameter from-to 350 - 1500 mm
blade drive hydraulic
rpm cutting shaft 700 - 2500 stepless
blade mounting side right or left
bore hole 35 mm + 6-hole
blade rotation direction same/counter switchable
up/down blade elektro-hydraulic
up/down blade guard elektro-hydraulic
weight 192 kg
Mounting kit green concrete SB 500
The mounting kit green concrete was developed Technical data mounting kit green concrete SB 500
mainly for cutting the cross-joints on new concrete blade drive hydraulic
roads. blade diameter max. 500 mm
The cutting drive, laterally mounted on a carriage, cutting depth max. 175 mm
can be moved beyond the axles of the machine, bore hole 35 mm + 6-hole
thus enabling the complete carriageway width to be up/down blade elektro-hydraulic
overlapped in a single pass. up/down blade guard elektro-hydraulic
Time-consuming turning and re-setting over the cut moving blade carriage elektro-hydraulic
is no longer necessary. travel blade carriage 1870 mm
weight 586 Kg
5
Mounting kit grooving GG 300
When grooving, defined textures or grooved pro-
files are inserted into road surfaces or runways.
Different functions are ensured depending on the
grinding pattern. Examples are increased grip,
water drainage or reduction of the noise level.
The mounting kit GG 300 is suitable for working
on small or medium working surfaces.
For bigger projects, RELLOK has its own machine
class - the bump cutters.
Technical data mounting kit grooving GG 300
max. grinding width 600 mm
blade diameter 300 mm
bore hole 60 mm + 3-hole
up/down grinding shaft elektro-hydraulic
weight 412 kg
Mounting kit longitudinal cut DB 550
The mounting kit longitudinal cut is used to crea- Technical data mounting kit longitudinal cut DB 550
te long cuts such as longitudinal and expansion blade drives hydraulic
joints. blade diameter front 300 - 400 mm
For this purpose, two saw blades are operated cutting depth front 75 - 125 mm
directly one behind the other in a line. The front, blade diameter rear 450 - 550 mm
smaller blade pre-cuts or expands on the joint cutting depth rear 150 - 200 mm
and the rear one makes the final cut. bore hole front/rear 35 mm + 6-hole
The use of a further machine or the execution of up/down central frame elektro-hydraulic
a second working step is no longer necessary. weight 452 kg
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Special application Microtrenching
With its Rellok cutting solutions brand, Koller is one of the pioneers who helped microtrenching technology
achieve a breakthrough.
This low-destruction and very fast method is used to lay empty conduits for communication cables in existing
traffic areas or hard rock substructures. This method uses diamond saw blades to cut wide joints in the surfaces.
Water-saving moistening technology in a special blade guard binds dust and optimizes material discharge. It
cannot fall back into the joint, but is piled up at the edge of the joint and later disposed of in an environmentally
friendly manner.
Immediately after the cut, a defined bulk material is inserted into the joint via a trailing bulk material hopper. This
forms the foundation for the empty conduits, which are now laid in the required number and design by using a
feeding device. After that, the joint is filled and sealed. Time-consuming and costly earthworks at the edge of the
traffic areas are avoided as far as possible.
With the Microtrenching mounting kits MTS and MTM 4x4, based on the fully-hydraulic floor sawing system
RSF 820, RELLOK provides the professional equipment for the application of this future-oriented cable laying
technology.
The empty conduits are inserted into the joint via the feeding
device.
The ends of the empty conduits are sticking out the sealed installation joint
of the cut.
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RSF 820 with
Microtrenching MTS mounting kit
Fig. with optional equipment
Standard specifications
• cutting of 40 mm wide and up to 380 mm deep joints in one operation
• extra reinforced cutting shaft bearing for the use of heavy blade packages and water guidance through the shaft
• multiple sealed blade guard and finely adjustable moisturizing system to prevent dust emission
• scraper blade behind the blade guard, discharge cannot fall back into the joint
• independent of external water supply due to large water tank
• stable, roller-guided sights
• hose for connection to the water pump for cleaning work
Optional equipment
• all-wheel drive on RSF 820 MTS
• additional fuel tank for long, uninter-
rupted cutting
• heatable water tank
• stainless steel blade guard
• vibration motor for removing the
residual material from the blade guard
• weather protection roof
• heated operator seat
• lighting
• warning lights
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Microtrenching mounting kit MTM 4x4
Fig. with optional equipment
Advanced functions of RSF 820 MTM 4x4
The positioning of the blade in the geometric center of the RSF 820 MTM 4x4
reduces shear forces. These must be compensated for by steering corrections
when arranged laterally.
Eliminating these forces reduces tool wear while increasing feed rate. Higher
daily outputs are achieved with reduced saw blade costs.
In addition, the RSF 820 MTM 4x4 is equipped with a feeding device for inserting
empty conduits directly after the joint has been cut, as well as a bulk hopper for
fixing the empty conduits and pre-filling the joint.
The machine has four-wheel drive as standard.
bulk hopper
RSF 820 MTS RSF 820 MTM 4x4
max. cutting depth 380 mm
max. blade diameter 1000 mm
bore hole 35 mm + 6-hole on pitch circle 120 mm
max. clamping range 40 mm
blade mounting side right or left center
blade drive hydraulic
rpm cutting shaft 700 - 2500 stepless
rotation direction same / counter shiftable
up/down blade/blade guard elektro-hydraulic
drive motor type Perkins Turbo Diesel 904
output 82 kW
emission level EU Stage V, EPA Tier 4 final
feed drive hydraulic 2 hub wheel motors 4 hub wheel motors
drive speed (work/travel) 0-12 m/min / 0-60 m/min 0-6 m/min / 0-30 m/min
dimensions l/w/h 3480/1425/2000 mm 4200/1440/2200 mm
weight 2200 kg 2400 kg
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Slurry extraction plant VD 500
The compact slurry extraction plant VD 500 effectively prevents
hazards due to the uncontrolled drainage of the cutting slurry.
The slurry is absorbed directly at the cut by a special suction
blade guard and removed via a hose system.
Technical data slurry extraction plant VD 500
drive suction turbine hydraulic
drive slurry pump hydraulic
delivery rate turbine 900 m³/h
suction output slurry pump 1 m³/h
weight 144 kg
Operator station - variants (on customer request)
To ensure optimal visibility of the
cut in each of the many uses of
the RSF 820 floor sawing system,
different versions of the operator
station are available. These can be
mounted either in front of, behind
or to the side of the machine.
In addition to the standing plat-
form, versions with an ergonomic
operator seat are also available.
The use of standard scaffold
components makes customization
to the operator‘s personal prefe-
rences easy and cost-effective.
10Bruchkampweg 5, 29227 Celle/Germany T: +49 5141 9898-0, E: info@rellok.com, Web: www.koller-celle.com RELLOK cutting solutions is registered trademark of KOLLER Maschinen- und Anlagenbau GmbH
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