Technical Information · issue 41 of 2005
New Data Charts 2005 / 2006; Carburetor setting; Symbols
IssueTI 41/2005
Full text
Page 1 of 3
STIH)
Technical Information 41.2005
STIHL Data Charts
Contents
1. New Data Charts 2005 / 2006
2. Carburetor setting
3. Symbols
1. New Data Charts 2005 / 2006 2. Carburetor setting
The new 2005 / 2006 edition of the CARB / EPA The machines in a single model series may be
Data Charts has been enlarged to include the equipped with different carburetors.
current model series.
The carburetor designation is specified to facilitate
The presentation of carburetor settings has been adjustment of the carburetor setting.
revised to facilitate adjustments by service
Carburetor
technicians.
Less important particulars concerning ignition leads,
starter rope, piston stroke and bore diameter, for
example, have been omitted. These values can be Limiter cap(s) on the H and L adjusting
found in the corresponding service manuals or screws
spare parts lists.
The Data Charts 2005 / 2006 CARB / EPA are Setting for adjusting screws without
available now on the CD STIHL Service limiter caps
Communication System or can be ordered as or
hardcopy printouts: Basic setting for adjusting screws with
limiter cap removed
MS 1 0456 400 3000 (only by service technicians)
MS 2 (old machines) 0456 400 3002
FS 0456 400 3004 Setting for adjusting screws without
BG BR SH SR 0456 400 3006 limiter caps
TS BT 0456 400 3008 or
FH HL HS HT 0456 400 3009 Setting for adjusting screws with fitted
limiter cap
KM MM SP 0456 400 3010
(as indicated in the user manual)
TI_41_2005_30_01_01.fm englisch / English USA
)m~ge 2 Technical Information 41.2005
Example:
H L
FS 75, 80, 85 WT-447 – – 1 1 – –
4137 C1Q-S63 – 1 1/2 1 3/4 1
C1Q-S69
FS 550 HD-22 1 1/4 1 5/8 1/4 1/4
4116
FS 75, 80, 85: 2.1 Setting the speeds
. Carburetor WT-447 without limiter caps has the Speeds are set by the service technician using a
following setting: tachometer with the machine at operating
H=1 temperature and when the following conditions have
L=1 been met:
. Chainsaw with saw chain and guide bar
. Carburetors C1Q-S63 and C1Q-S69 have both . Clearing saw / brushcutter with attachment
an H and an L adjusting screw. A limiter cap is
fitted on the H adjusting screw; the L adjusting . Blower with blower tubes
screw is without limiter cap. . Hedge trimmer with cutting tool
. Cut-off machine with wheel
The basic setting without limiter cap
(for service technicians) is:
H = 1 1/2
L=1 3. Symbols
The setting with limiter cap on the H adjusting
screw is: The symbols used in all Data Charts are explained
H = 3/4 (limited) below. Only those symbols which are actually
L = 1 (not limited) needed appear on the individual Data Charts.
(as indicated in the user manual)
FS 550:
. Carburetor HD-22 has both an H and an L
adjusting screw. Limiter caps are fitted on both
adjusting screws.
The basic setting without limiter cap
(for service technicians) is:
H = 1 1/4
L = 1 5/8
The setting with limiter cap is:
H = 1/4 (limited)
L = 1/4 (limited)
(as indicated in the user manual)
TI_41_2005_30_01_01.fm Page 2 of 3
Technical Information 41.2005 Page 3
Carburetor type Idle speed
Limiter cap(s) on the H and L adjusting Permissible maximum speed
screws
Setting for adjusting screws without Maximum possible speed in engines with
limiter caps speed limitation
Basic setting for adjusting screws with Tightening torque for cylinder base
limiter cap removed screws
Tightening torque for hex nut on flywheel
Setting for adjusting screws without
limiter caps
Setting for adjusting screws with fitted Tightening torque for clutch carrier
limiter cap
Tightening torque for hex nut on clutch
Cylinder displacement
Tightening torque for hex nut on starter
cup
Engine power output
Tightening torque for starter cup
Air gap between
arms of the ignition module and Tightening torque for hex nut on fan wheel
flywheel magnets
Spark plug type
Tightening torque for bearing screws of
clutch shoes
Electrode gap on spark plug Maximum permissible spindle speed on
cut-off machines
Valve clearance in STIHL 4-MIX engines
Delivery rate of the oil pump at
n = 10,000 rpm
One value = fixed displacement pump
Two values = variable displacement pump
© ANDREAS STIHL AG & Co. KG, 2005 Technical Documentation
D1/MTK-ja
TI_41_2005_30_01_01.fm Page 3 of 3
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.