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Dolmar PS-420 User Manual

Page 18

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8

Stroke volume

cu. in (cm)

2.1 (34,7)

2.6 (42,4)

Bore

inch (mm)

.50 (8)

.65 (42)

Stroke

inch (mm)

.20 (0,6)

.20 (0,6)

Max. power at speed

hp / rpm

2,0 / 9.500

2,7 / 9.500

Max. torque at speed

Nm /rpm

1,9 / 6.500

2,4 / 6.500

Idling speed / max. engine speed with bar and chain

rpm

2.800 / 13.500

2.800 / 13.500

Coupling speed

rpm

5.00

5.00

Sound pressure level at the operator´s ear

at full load according to ANSI B 175.1

dB (A)

100,8

100,8

Sound pressure level at the bystanders position

(50 ft/15 m distance) according to ANSI B 175.1

dB (A)

77,4

77,4

Carburetor

Type

diaphragm carburator with limiter caps

Ignition system

Type

electronic

Spark plug

Type

NGK BPMR 7A

or spark plug

Type

BOSCH WSR 6F, CHAMPION RCJ 6Y

Electrode gap

inch (mm)

.020 (0,5)

Fuel consumption at max. load per ISO 7293

kg/h

0,79

0,96

Specific consumption at max. load per ISO 7293

g/kWh

526

480

Fuel tank capacity

floz

16,2

Chain oil tank capacity

floz

9,5

Mixture ratio (fuel/two-stroke oil)
- when using DOLMAR High Performance oil

50 :

- when using other synthetic oils (oil quality must be JASO FC or ISO-L-EGD)

50 :

Chain brake

engages manually or in case of kickback

Sprocket pitch

inch

/8

/8

Number of teeth

Z

6

6

Chain type

see the Extract from the spare-parts list

Pitch / gauge

inch / (mm)

/8 / 0,050 (,)

/8 / 0,050 (,)

Guide bar, length of a cut

inch

2, 4, 6

2, 4, 6

Guide-bar type

see the Extract from the spare-parts list

Weight (fuel tank empty, without chain, guide bar and accessories) lbs

0,6

0,6

)

Figures derived in equal part from idling, full-load and racing speed.

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 significantly reduced kickback potential are available.

Technical data

PS-350

PS-420