Maintenance And Repairs - Stihl HT 56 C Instruction Manual

English
Idle speed acc. to ISO
11680:
Cut-off speed (nominal
value):
Max. output shaft speed
(chain sprocket):
28.2 Ignition system
Electronic magneto ignition
Spark plug (suppressed): NGK CMR 6 H
Electrode gap:
28.3 Fuel system
All-position diaphragm carburetor with integral
fuel pump
Fuel tank capacity:
28.4 Chain lubrication
Fully automatic, speed-controlled oil pump with
rotary piston
Oil tank capacity:
28.5 Weight
dry, without cutting attachment
HT 56 C:
28.6 Cutting attachment
The actual cutting length may be less than the
specified cutting length.
28.6.1 Rollomatic E Mini guide bars
Blade length:
Pitch:
Groove width:
28.6.2 Saw chain 1/4" P
Picco Micro3 (71PM3) Type 3670
Pitch:
Drive link gauge:
28.6.3 Chain sprocket
8-tooth for 1/4" P
28.7 Sound and Vibration Levels
For further details on compliance with Vibration
Directive 2002/44/EC, see
www.stihl.com/vib
28.7.1 Sound pressure level L
ance with ISO 22868
HT 56 C:
30
2800 ± 50 rpm
10000 rpm
7900 rpm
0.5 mm
3
340 cm (0.34 l)
3
120 cm (0.12 l)
6.4 kg
25, 30 cm
1/4" P (6.35 mm)
1.1 mm
1/4" P (6.35 mm)
1.1 mm
in accord‐
peq
91 dB(A)

29 Maintenance and Repairs

28.7.2 Sound power level L
with ISO 22868
HT 56 C:
28.7.3 Vibration level a
with ISO 22867
Shaft:
HT 56 C:
Control handle:
HT 56 C:
The K‑factor in accordance with Directive
2006/42/EC is 2.0 dB(A) for the sound pressure
level and sound power level; the K‑factor in
accordance with Directive 2006/42/EC is
2
2.0 m/s for the vibration level.
28.8 REACH
REACH is an EC regulation and stands for the
Registration, Evaluation, Authorization and
Restriction of Chemical substances.
For information on compliance with the REACH
regulation (EC) No. 1907/2006 see
www.stihl.com/reach
28.9 Exhaust Emissions
The CO value measured in the EU type appro‐
2
val procedure is specified at
www.stihl.com/co2
in the product-specific technical data.
The measured CO value was determined on a
2
representative engine in accordance with a
standardized test procedure under laboratory
conditions and does not represent either an
explicit or implied guarantee of the performance
of a specific engine.
The applicable exhaust emission requirements
are fulfilled by the intended usage and mainte‐
nance described in this User Manual. The oper‐
ating license shall be void if the engine is modi‐
fied in any way.
29 Maintenance and Repairs
Users of this machine may only carry out the
maintenance and service work described in this
user manual. All other repairs must be carried
out by a servicing dealer.
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer. STIHL dealers are
regularly given the opportunity to attend training
in accordance
w
106 dB(A)
in accordance
hv,eq
2
5.2 m/s
2
4.9 m/s
0458-555-8321-C