STIH)
STIHL HOS
Instruction Manual
Contents
English
Guide to Using this Manual .............. 2
Safety Precautions ........................... 3
Applications ...................................... 4
Assembling the Sharpener ............... 4
Mounting the Grinding Wheel ........... 6
Test Run ........................................... 7
Mounting the Swivelling Tool Rest .... 7
BA_SE_016_002_01_04.fmPrinted on chlorine-free paper.
Chains with 1.3 mm (0.05")
Drive Link Gauge .............................. 8
Preparations for Sharpening ............. 9
Sharpening Procedure ................... 12
Lowering Depth Gauges ................. 14
Dressing the Grinding Wheel .......... 16
Maintenance Chart ......................... 17
Minimize Wear and
Avoid Damage ................................ 18
Main Parts of Sharpener ................. 19
Specifications ................................. 19
Special Accessories ....................... 20
Maintenance and Repairs ............... 20
Certificate of Conformity ................. 21
Quality Certification ........................ 22
Printing inks contain vegetable oils; paper can be recycled.
Dear Customer,
Thank you for choosing a quality
engineered STIHL product.
This machine has been built using
modern production techniques and
comprehensive quality assurance.
Every effort has been made to ensure
your satisfaction and troublefree use
of the machine.
Please contact your dealer or our
sales company if you have any
queries concerning your machine.
Hans Peter Stihl
STIHl
© ANDREAS STIHL AG & Co. KG, 2004
0458 522 0121. M0,1. F4. T. Printed in Germany
1HOS
English
Guide to Using this Manual
Pictograms
All the pictograms attached to the
machine are shown and explained in
this manual.
The operating and handling instructions
are supported by illustrations.
Symbols in text
The individual steps or procedures
described in the manual may be marked
in different ways:
: A bullit marks a step or procedure
without direct reference to an
illustration.
A description of a step or procedure that
refers directly to an illustration may
contain item numbers that appear in the
illustration.
Example:
Loosen the screw (1)
Lever (2) ...
In addition to the operating instructions,
this manual may contain paragraphs
that require your special attention. Such
paragraphs are marked with the
symbols described below:
Warning where there is a risk of an
accident or personal injury or
serious damage to property.
Caution where there is a risk of
damaging the machine or its
individual components.
Note or hint which is not essential
for using the machine, but may
improve the operator’s understanding of the situation and result
in better use of the machine.
Note or hint on correct procedure in
order to avoid damage to the
environment.
Equipment and features
This instruction manual may refer to
several models with different
features. Components that are not
installed on all models and related
applications are marked with an
asterisk (*). Such components may
be available as special accessories
from your STIHL dealer.
Engineering improvements
STIHL’s philosophy is to continually
improve all of its products. As a result,
engineering changes and improvements
are made from time to time. If the
operating characteristics or the
appearance of your machine differ from
those described in this manual, please
contact your STIHL dealer for
assistance.
Therefore some changes, modifications
and improvements may not be covered
in this manual.
2
HOS
Safety Precautions
English
Additional safety
precautions have to be
observed when operating
the universal sharpener.
It is important that you
read and understand the
owner’s manual before
using your tool for the first
time. Keep it in a safe
place for later reference.
Non-observance of the following safety
precautions may cause serious or even
fatal injury.
Always observe local safety regulations,
standards and ordinances.
If you have never used this sharpener
model before:
Have your dealer or a trained expert
show you how to operate it properly and
safely.
Minors should never be allowed to use
an electric sharpener.
Keep children, bystanders and animals
well clear of the work area.
Only use the grinding wheels supplied
by STIHL or expressly approved by
STIHL for use with your specific model.
Do not use any other grinding wheels
since they will increase the risk of injury.
Switch on the motor only if its operating
voltage agrees with the voltage of your
power supply.
Clothing and Equipment
Wear proper protective clothing and
equipment.
The grinding dust produced when using
this sharpener may cause health
problems. Always use a dust extractor
or wear a suitable respirator.
The sparks created during sharpening
may cause eye injuries.
Always wear safety
glasses.
Clothing must be sturdy and snug-fitting,
but allow complete freedom of
movement.
Wear overalls – avoid loose-fitting
jackets.
Wear steel-toed safety
boots with non-slip soles.
Wear heavy-duty, non-
slip gloves, preferably
made of leather.
Before Starting Work
Check that your sharpener is properly
assembled and in good condition. Do
not operate your sharpener with a
damaged connecting cord or grinding
wheel.
Maintenance and Repairs
Always disconnect the unit from the
power supply before carrying out any
maintenance work. Only perform the
adjustments and maintenance
operations described in this manual.
All other maintenance and repairs
should be carried out by your STIHL
dealer.
Only use original STIHL replacement
parts.
In the interests of your own safety, never
modify your electric sharpener in any
way.
3HOS
English
Applications Assembling the Sharpener
The STIHL HOS sharpens all STIHL
Oilomatic saw chains with the exception
of carbide-tipped chains (RD, RDS).
All the necessary setting data and
grinding wheels are listed in the
instruction sheet 0457 717 0000.
A
2
B
If you mount the unit on a bench, note
that the chain must hang freely in all
swivelling tool rest positions.
Secure the HOS base with screws.
A = For wall mounting, use two suitable
8.0 mm dia. screws (e.g. 8 mm x
100 mm wood screws, DIN 571-St),
8.4 mm dia. washers and matching
wall plugs (e.g. 10x50 mm plastic
wall plugs).
B = For bench mounting, use two
suitable 8.0 mm dia. screws (e.g.
8 mm x 100 mm wood screws, DIN
571-St), 8.4 mm dia. washers.
1
: Loosen the M5x10 screws (1) and
lift the guard plate (2) away.
523BA045 KN
1
523BA046 KN
4
HOS
English
5
3
4
6
: Fit motor (3) on motor arm (4). The
switchbox (5) must face up.
: Insert the four M5x22 pan head
screws (6) and tighten them down
firmly in a diagonal pattern.
78
10
523BA047 KN
: Screw short threaded end of
M10x145 stud (7) into housing
bore (8).
: Screw M10 nut (9) on to other end
of stud.
11
9
523BA048 KN
13
14
523BA049 KN
: Place transparent shield (12)
against the guard and line up the
holes.
: Insert M4x12 screws (13) in the
holes and fit the M4 nuts (14).
: Tighten down the screws firmly.
: Refit the guard plate.
12
523BA050 KN
5HOS
English
Mounting the Grinding Wheel
Work Light*
: Use a punch to pierce the casting
skin and clean up the edges with a
round file.
: Position lamp socket in opening
from outside and secure it with
screw ring.
2
1
Always check condition of grinding
wheels by performing ringing test
before mounting. Never use
damaged grinding wheels.
: Loosen the M5x10 screws (1), then
lift and remove the guard plate (2).
523BA051 KN
5
3
4
6
1
523BA046 KN
: Fit the O-ring (3) in the spacer (4).
Push the onto the motor shaft (5)
(spacer flange must face away from
motor).
: Fit the required grinding wheel (6) –
see instruction sheet or "Special
Accessories" – with its rounded side
facing the motor
: Fit the thrust washer (7) on the shaft
with its raised side facing away from
motor.
7
523BA052 KN
* see "Guide to Using this Manual"
6
HOS
English
Test Run Mounting the Swivelling
Tool Rest
Every time you mount a grinding wheel:
: Cordon off the general work area
(danger zone).
: Run grinding wheel at maximum
permissible speed for at least one
minute.
3
8
523BA053 KN
: Line up the cross holes in the
spacer and motor shaft and insert
the locking pin.
: Tighten down the grinding wheel
with the knurled nut (8) – left-hand
thread.
: Remove the locking pin.
: Refit the guard plate.
1
4
2
5
6
: Engage pin (1) on underside of
swivelling tool rest in hole (2) in
sharpener's base.
: Insert M8 x 60 round head square
neck bolt (3) through the slot (4).
: Fit the washer (5) and tighten
moderately with the M8 wingnut (6).
523BA054 KN
7HOS
English
Chains with 1.3 mm (0.05") Drive Link Gauge
1
2
: Unscrew the clamping lever and
remove it together with the thrust
pad.
: Remove the two M6x8 pan head
screws (1) from the swivelling tool
rest.
: Remove the two M6x8 pan head
screws (2) from the guide rail.
1
2
1
3
5
4
522BA001 KN
: Position 0.15 mm (0.006") shim (3)
: Insert the two M6x8 pan head
: Fit one 1.3 mm (0.05") washer (5) in
: Insert the two M6x8 pan head
2
for chain with 1.3 mm (0.05") drive
links between the guide rail and
swivelling tool rest.
screws (1) through the back of the
swivelling tool rest and screw them
into the guide rail.
place of the two 0.9 mm (0.035")
washers (4) between the clamping
rail and guide rail in each case.
screws (2) through the clamping rail
and screw them into the guide rail.
1
7
8
6
5
4
2
522BA002 KN
: Push clamping lever's screw (6)
through the center hole in the
swivelling tool rest and the thrust
pad (7).
: Fit the nut (8) and tighten down the
clamping lever firmly.
522BA003 KN
8
HOS
Preparations for Sharpening
English
4
2
3
1
Do not switch on the motor yet.
: Replace cutters with severely worn
or damaged cutting edges. Grind
the new cutters back to the shape
and size of the other cutters.
: Find the shortest cutter (master
cutter).
523BA012 KN
: Release clamping lever (1).
: Place the chain, drive link tangs (2)
downward, in the clamping rail (3) –
cutting edges must point to the left.
523BA061 KN
: Pull the master cutter back against
the stop (4).
523BA062 KN
9HOS
English
5
The stop's pivot pin (5) moves backward
and forward in the arm.
: To sharpen the left-hand row of
cutters: Pull the stop in the direction
of arrow.
55
45
35
523BA063 KN
25
15
6
25
10
15
0
+
10
-
7
: Set the scale (6) on the swivelling
tool rest to the specified sharpening
angle (see separate data sheet).
: Tighten down the wingnut (7).
55
45
35
8
522BA004 KN
522BA005 KN
Lateral Adjustment
: Back off the travel limiting screw (8).
: Use the handle to bring the grinding
wheel down to the chain.
522BA011 KN
10
HOS
English
10
4
9
: Move the stop (4) with the adjusting
screw (9) so that the master cutter's
side plate locates against the
grinding wheel.
: Clamp the chain in position.
522BA006 KN
: Lock the adjusting screw in position
with the knurled nut.
523BA066 KN
Initial Adjustment of Grinding
Depth
: Use the handle (10) to move the
motor arm down until the
522BA007 KN
11HOS
English
11
Sharpening Procedure
: Bring motor arm slowly downward.
Check sharpening process. Do not
remove too much material.
: If necessary, switch off motor and
8
12
readjust – see "Lateral Adjustment"
in chapter "Preparations for
Sharpening".
: Sharpen the side plate by applying
the wheel several times – do not
sharpen in a single pass.
: When result is satisfactory, check
the grinding depth.
: grinding wheel (11) touches the
gullet of the cutter.
12
522BA008 KN
: Screw travel limiting screw (8) down
as far as stop lug.
: Tighten down the knurled nut (12)
on the travel limiting screw.
: Swing the motor arm back to its
neutral position.
: Put on safety glasses.
: Switch on the motor.
522BA009 KN
HOS
English
1
The travel limiting screw must now butt
against the stop lug and the side plate
angle (1) should be as specified.
Chain type Angle in
degrees
Rapid-Standard 85
Rapid-Micro 85
Rapid-Super 60
Picco-Micro 85
Rapid-Duro 65
RCX, RMX, PMX 80
: Use a filing gauge to check
sharpening data.
If side plate angle is too obtuse (wide):
: Use travel limiting screw to set
motor arm lower.
523BA022 KN
Avoid touching the drive links or tie
straps with the grinding wheel. This
could cause the chain to break.
If side plate angle is too acute (narrow):
: Use travel limiting screw to set
motor arm higher.
: Lock the adjusting and travel
limiting screws with their knurled
nuts.
523BA070 KN
523BA071 KN
: Release clamping lever. Pull the
chain to the left until the stop is
behind the next cutter but one.
13HOS
English
Lowering Depth Gauges
: Pull the chain to the right until the
back of the cutter butts against the
stop.
: Clamp the chain in position.
: Sharpen the side plate.
Repeat procedure until all side plates on
one side have been sharpened.
Sharpening Second Row of
Cutters
: Rotate swivelling tool rest to the
same sharpening angle on the other
side of the chain.
: Move the stop's pivot pin so that the
stop lines up with the second row of
cutters.
: After sharpening first cutter, check
its length against that of the other
row and adjust the stop if necessary.
: Now sharpen the second row of
cutters.
523BA072 KN
Checking Depth Gauge Setting
: Select the filing gauge (special
accessory) that matches the chain
pitch (see separate instruction
sheet).
: Place the filing gauge on the saw
chain. If the depth gauge projects
beyond the filing gauge it has to be
lowered.
Setting the Scale
55
45
35
25
15
10
0
+
10
-
55
45
35
25
15
1
564BA017 KN
522BA010 KN
14
: Set the scale (1) on the swivelling
tool rest to "0" and tighten down the
M8 wingnut firmly.
HOS
English
1
1
Fitting the Grinding Wheel
: Select grinding wheel (see separate
instruction sheet).
: Perform ringing test.
: Mount the grinding wheel (1) with its
large outside diameter facing the
motor – see "Mounting the Grinding
Wheel".
: Perform test run – see "Test Run".
1
523BA084 KN
Adjusting the Lateral Stop
: Swing the motor arm down.
: Slide the chain along the guide rail
until the profile (1) of the grinding
wheel is centered above the depth
gauge.
: Clamp the chain in position.
: Turn the adjusting screw (2) until the
back of the cutter butts against the
stop.
3
2
2
523BA102 KN
Adjusting Grinding Wheel
: Swing the motor arm down until the
grinding wheel touches the depth
gauge.
: Screw home the travel limiting
screw (1) until it butts against the
stop lug (2).
: Put on safety glasses.
: Switch on the motor.
: Carefully bring the motor arm down
as far as the stop.
523BA101 KN
15HOS
English
4
5
: Switch off the motor.
: Place the filing gauge (5) on the
chain.
: If the depth gauge (4) still projects
above the filing gauge, make
appropriate adjustment with the
travel limiting screw (1).
: Remove the filing gauge (5).
: Switch on the motor.
: Carefully bring the motor arm down.
: Switch off the motor.
: Repeat the procedure until the
depth gauge is level with the filing
gauge.
: Tighten down the knurled nut (3)
firmly.
: Use this setting to lower all the other
depth gauges.
The kickback tendency of the saw is
increased if the depth gauges are
too low.
523BA103 KN
On PM1 and RM2 chains the rear
hump of the tie strap (with service
mark) is lowered at the same time
as the depth gauge. The other parts
of the triple-humped tie strap must
not be ground because this may
increase the kickback tendency of
the saw.
Dressing the Grinding Wheel
3
523BA139 KN
523BA030 KN
The profile of the grinding wheel is
subject to wear.
Switch off the motor.
: Use dressing gauge (special
accessory) to check the profile of
the grinding wheel.
: Set scale C on swivelling tool
rest to "0".
: Use dressing stone (special
accessory) to correct the profile of
the grinding wheel.
16
HOS
Maintenance Chart
Please note that the following maintenance intervals apply for normal operating conditions. If your
daily working time is longer than normal or conditions are difficult, shorten the specified intervals
accordingly.
Complete machine
Machine mounting
Switch
Power supply cord
Grinding wheel
Cooling air inlets Clean
Accessible screws and nuts Retighten
Shield
Clamp and guide rail
Stop and lock
Visual inspection condition)
Clean
Check
Retighten
Check operation
1)
Replace
Check
Replace
Check (wear)
Check profile
Dress
Replace
Check
Replace
Check
Replace
Check
Replace
1)
English
before
starting work
after finishing
work or daily
weekly
monthly
if problem
if damaged
as required
X
X
X
X
X
XX
X
XX
X
X
XX
XX
X
X
X
XX
X
X
X
X
1)
Have work performed by qualified
electrician
17HOS
English
Minimize Wear and Avoid Damage
Observing the instructions in this manual
helps reduce the risk of unnecessary
wear and damage to the unit.
The unit must be operated, maintained
and stored with the due care and
attention described in this owner’s
manual.
The user is responsible for all damage
caused by non-observance of the safety
precautions, operating and maintenance
instructions in this manual. This includes
in particular:
– Alterations or modifications to the
product not approved by STIHL.
– Using attachments or sharpening
tools not approved by STIHL.
– Using the product for purposes for
which it was not designed.
– Consequential damage caused by
continuing to use the product with
defective components.
Maintenance Work
All the operations described in the
“Maintenance Chart” must be performed
on a regular basis. If these maintenance
operations cannot be performed by the
owner, they should be performed by an
authorized STIHL servicing dealer.
If these operations are not carried out
as specified, the user assumes
responsibility for any damage that may
occur.
Among other things, this includes:
– Damage to the unit due to neglect
or deficient maintenance.
– Corrosion and other consequential
damage resulting from improper
storage.
– Damage and consequential
damage resulting from the use of
parts other than original STIHL
replacement parts.
– Damage resulting from
maintenance or repair work not
performed by authorized STIHL
servicing dealers.
Parts Subject to Wear and Tear
Some parts of the unit are subject to
normal wear and tear even during
regular operation in accordance with
instructions and, depending on the type
and duration of use, have to be replaced
in good time.
Among other parts, this includes:
– Grinding wheels
– Carbon brushes
– Transparent shield
– Clamping lever and thrust pad
– Clamping and guide rails
–Stop
18
HOS
English
Main Parts of Sharpener
7
4
11
Specifications
Motor
Type: Single-phase
AC, squirrel-cage
2
1
Operating voltage: 230 V
Frequency: 50 Hz
Rated current: 1.3 A
Power rating: 0.18 kW
Motor speed: 2,800 RPM
Type of protection: IP 54 (DIN 40050)
Equivalent
sound power
level 1) L
peq
motor
75 dB (A)
10
8
6
5
9
3
1Motor
2Switch box
3 Swivelling tool rest
4 Motor arm
5 Clamping lever
6 Thrust pad
7 Travel limiting screw
8 Stop
9 Adjusting screw
10 Grinding wheel
11 St o p lug
522BA000 KN
1)
according to EN ISO 11204,
measured at user’s ear while
sharpening a saw chain
19HOS
English
Special Accessories Maintenance and Repairs
Work light
Dressing gauge
Dressing stone
The user of this unit should carry out
only the maintenance operations
described in this manual. Other repair
work may be performed only by an
authorized STIHL dealer.
Warranty claims following repairs can be
accepted only if the repair has been
performed by an authorized STIHL
dealer using original STIHL replacement
parts.
Original STlHL parts can be identified by
the STIHL part number, the
logo and the STlHL parts symbol (.
The symbol may appear alone on small
parts.
STIHl
20
HOS
Certificate of Conformity
English
Andreas Stihl AG & Co. KG
Badstr. 115
71336 Waiblingen
certify that the new machine described
below
Category: Universal
sharpener
Make: STIHL
Model: HOS
Serial identification: 5202
conforms to the specifications of
Directives 73/23/EEC, 98/37/EC and
89/336/EEC.
The product has been developed and
manufactured in compliance with the
following standards:
EN 60335-1, EN 55014-1, EN 55014-2,
EN 61000-3-2, EN 61000-3-3 and
EN 60204-1
Technical documents deposited at:
Andreas Stihl AG & Co. KG
Product Licensing
Done at Waiblingen,
September 1,2003
Andreas Stihl AG & Co. KG
Steinhauser
Director
Group Product Management
Engineering Services
21HOS
English
Quality Certification
All STIHL products comply with the
highest quality standards.
An independent organization has
certified that all products manufactured
by STIHL meet the strict requirements of
the ISO 9001 standard for quality
management systems in terms of
product development, materials
purchasing, production, assembly,
documentation and customer service.
000BA026
22
HOS
English
23HOS
English
24
HOS
0458 522 0121
englisch / English
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