Technical Information · issue 21 of 2004
Depth Limiter; Summary
IssueTI 21/2004
Engine family 1128
Full text
Page 1 of 5
STIH)
Technical Information 21.2004
STIHL MS 460 Rescue Saw – Series 1128
Contents
1. Depth Limiter
1.1 Repositioning bumper spike
1.2 Mounting the Depth Limiter
1.3 Adjusting Depth of Cut
2. Summary
1. Depth Limiter
STIHL MS 460 Rescue Saw with Special Accessory Depth Limiter
TI_21_2004_30_01_01.fm englisch / English USA
)m~ge 2 Technical Information 21.2004
The depth limiter is intended for use only on the The use of the STIHL MS 460 Rescue Saw for
STIHL MS 460 Rescue Saw for fire and rescue rescue operations, even by trained personnel, can
operations by specially trained users. The cutting be extremely hazardous and may result in severe or
depth of the cutting attachment can be set with the fatal personal injury. The risk of injury from reactive
depth limiter by means of a sliding metal sleeve that forces, fire or explosion, electrocution, damaged
is movable within a preset range along a specially chain and other causes when employing a chain
prepared guidebar (3003 002 9421). saw for these purposes is substantially increased.
Its sole purpose is to limit the depth of entry into
It is important that you fully read, understand and
material, which may be useful to fire and rescue
observe the safety precautions and warnings in the
personnel when cutting into walls, etc. It is not
owner’s manual.
designed to protect the operator from chain contact.
The additional weight of the depth limiter will make Most safety precautions in the rescue saw owner’s
the chain saw more nose-heavy. manual are general in nature and apply to the use of
any chain saw. Since the machine can also be used
The STIHL MS 460 Rescue Saw has been
as a conventional chain saw, warnings and
specifically designed for use in rescue operations,
instructions are included with respect to, e.g., the
e.g., by fire services, emergency services, disaster
felling and limbing of trees. There are additional
services, etc.
warnings, however, specifically with respect to the
The STIHL MS 460 Rescue Saw should be used operation of rescue saws. For instance, see the
only by personnel who have been specifically sections of the Safety Precautions dealing with
trained for rescue operations. They must not only be "Proper Clothing" and "Cutting Instructions."
knowledgeable concerning the correct use of chain
saws but also able to assess the additional risks and
dangers associated with emergency situations.
Cutting with a Rescue Saw requires special working
techniques that must be utilized to reduce the risk
of accidents and injuries to the user, bystanders and
the persons being rescued. It may also require the
use of a certain, specially designed, carbide-tipped
chain specifically authorized by STIHL for such
purposes.
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Technical Information 21.2004 Page 3
1.1 Repositioning bumper spike
. Remove the chain sprocket cover
. Fit the spacer washers (4) and
. Bumper spike (5) on the screws and secure with
the locknuts (6).
. Take off the bumper spike
1.2 Mounting the Depth Limiter
. Mount the guide bar and the saw chain
. Take the bumper strips (1) out of the chain sprocket
cover.
. Remove the screws (2).
. Slip the guide (1) over the guide bar and
. Insert the screws (2)
. Fit the M 5x18 screws (3) as shown in the
illustration.
. Refit the bumper strips (1).
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1.3 Adjusting Depth of Cut
The depth of cut can be set from a few fractions of
an inch up to 7.8 in (20 cm).
. Push the sliding sleeve (3) over the guide.
. Fit the star knob (4) and washer (5).
. Tighten the screws (2).
Before adjusting the depth of cut
. Shut off the engine
. Engage the chain brake by pushing the hand
guard (1) toward the bar nose - the saw chain is
locked.
. Place the saw on the ground and put your right
foot in the rear handle and press down.
. Pull the sliding sleeve (3) forward as far as stop.
. Tighten down the star knob (4) firmly.
. Hold the top of the sliding sleeve with your right
hand.
. Loosen the star knob (2) with your left hand.
. Adjust the depth of cut (arrow).
. Tighten the star knob firmly.
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Technical Information 21.2004 Page 5
2. Summary
Item Part Name Part No. Remark
Depth limiter kit with guide bar
consisting of items 1 - 8 1128 261 0001
Depth limiter kit 1128 007 1013
consisting of items 2 - 8
1 Guide bar 3003 002 9421
2 Sleeve
3 Guide
4 Countersunk screw 9064 341 1860
5 Washer 9308 021 0180
6 Star knob 9570 601 1880
7 Spacer 3003 655 9200
8 Screw M5x18 9008 319 1010
Last Technical Information on the STIHL MS 460 Rescue Saw: 02.2003
© ANDREAS STIHL AG & Co. KG, 2004 Technical Documentation
D1/MTK-bl
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Extracted from the manufacturer's 2012 service catalogue. Most of these PDFs embed fonts with a shifted character map, so the text above was recovered rather than copied — read it as a faithful but imperfect transcription, and treat the page image above each block as the authority where the two disagree — the figures exist only there, because they are vector drawings that text extraction cannot keep.