18
WARNING:
This chain saw is capable of severe kickback that coult result in serious injury to the user. Do not operate this chain
saw unless you have extraordinary cutting needs and experience and specialized training for dealing with kickback.
Chain saws with signicantly reduced kickback potential are available.
Technical data
Stroke volume cu. in (cm3) 2.8 (45.6) 3.1 (50.4) 3.1 (50.4)
Bore inch (mm) 1.69 (43) 1.77 (45) 1.77 (45)
Stroke inch (mm) 1.24 (31.4) 1.24 (31.7) 1.24 (31.7)
Max. power at speed 1) hp / rpm 2.9 / 10,000 3.3 / 10,000 3.9 / 10,000
Max. torque at speed 1) Nm / rpm 2.7 / 7,000 2.9 / 7,000 3.1 / 7,000
Max. engine speed with bar and chain rpm 13,500 13,500 14,500
Idling speed rpm 2,500 2,500 2,500
Coupling speed rpm 3,900 3,900 3,900
Sound Pressure Level at the operator‘s ear
at full load according to ANSI B 175.1 db(A) 103.2 103.9 103.9
Sound Pressure Level at the bystander‘s position
(50 ft/15 m distance) according to ANSI B 175.1 db(A) 76.2 76.2 76.2
Carburetor Type diaphragm carburator with limiter caps
Ignition system Type electronic ignition system
Spark plug Type NGK BPMR 7A
or spark plug Type BOSCH WSR-6F
Electrode gap inch (mm) .020 (0.5)
Fuel consumption at max. load per ISO 7293 1) kg/h 1.1 1.2 1.3
Specic consumption at max. load per ISO 7293 1) g/kWh 500 480 450
Fuel tank capacity oz 15.9
Chain oil tank capacity oz 9.1
Mixture ratio (fuel/two-stroke oil)
- when using DOLMAR oil 50:1
- when using other oils 40:1 (oil quality must be JASO FC or ISO EGD)
Chain brake engages manually or in case of kickback
Sprocket pitch inch .325 or 3/8
Number of teeth Z 7
Chain type see the Extract from the spare-parts list
Pitch / gauge inch .325 / 0.050 or 3/8 / 0.050
Guide bar, length of a cut inch 16 / 18
Guide-bar type see the Extract from the spare-parts list
Weight (fuel tank empty, without chain, guide bar and accessories) lbs 12.1 12.1 11.2
1) For models without decompression valve
PS-460 PS-510 PS-5100 S / SH