9
Stroke volume
cm
3
45.6 50.0
Bore
mm 43 45
Stroke
mm 31.4 31.44
Max. power at speed
kW / 1/min
2.6 / 10,000
2.8 / 10,000
Max. torque at speed
Nm / 1/min
2.8 / 7,000
3.1 / 7,000
Idling speed / max. engine speed with bar and chain
1/min
2,500 / 13,800
2,500 / 13,800
Clutch engagement speed
1/min
3,900
3,900
Sound pressure level at the workplace L
pA, av
per ISO 22868
1) 3)
dB(A)
102.1 / K
pA
= 2.5
102.4 / K
pA
= 2.5
Sound power level L
WA, Fl + Ra
per ISO 22868
2) 3)
dB(A)
110.8 / K
WA
= 2.5
111.3 / K
WA
= 2.5
Vibration acceleration a
h,w eq
per ISO 22867
1) 3)
- Tubular handle
m/s
2
4.1 / K = 2
5.2 / K = 2
- Rear handle
m/s
2
3.6 / K = 2
3.7 / K = 2
Carburetor Carburetor (membrane, choke valve carburetor)
Type
ZAMA
Ignition system
Type
electronic
Spark plug
Type
NGK BPMR 7A
Electrode gap
mm
0.5
or spark plug
Type
BOSCH WSR 6F
Fuel consumption at max. load per ISO 7293
kg/h
1.2
1.3
Specific consumption at max. load per ISO 7293
g/kWh
450
450
Fuel tank capacity
cm
3
470
Chain oil tank capacity
cm
3
270
Mixture ratio (fuel/two-stroke oil)
- when using DOLMAR oil
50 : 1
- when using Aspen Alkylat (two-stroke fuel)
50 : 1 (2%)
- when using other oils
50 : 1 (quality grade: JASO FC or ISO EGD)
Chain brake
engages manually or in case of kickback
Chain speed (at top-speed)
m/s
.325“= 25,6
3/8“= 29,6
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, 0.058 or 3/8 / 0.058
Guide bar, length of a cut
cm
33 / 38 / 45 / 53
Guide-bar type
see the Extract from the spare-parts list
Weight (fuel tank empty, without chain, guide bar and accessories) kg
4)
4)
1)
Figures derived in equal part from idling, full-load and top-speed.
2)
Figures derived in equal part from full-load and top-speed.
3)
Uncertainty (K=).
4)
PS-4605 = 5,3, PS-4605 H = 5,5, PS-5105 = 5,3, PS-5105 C = 5,4, PS-5105 H = 5,5, PS-5105 CH = 5,6.
Technical data
PS-4605
PS-5105
2
24
25
16
17
18 19
3
4
1
6
7
15
5
8
9
11
12
13
20
21
22
23
10
14
Denomination of components
1 Handle
2 Cover
3 Cover clasp
4 Tubular handle
5 Hand guard (release for chain brake)
6 Muffler
7 Spike bar
8 Chain tensioning screw
9 Retaining nuts
10 Chain catch
11 Sprocket guard
12 Adjusting screw for oil pump (bottom side)
13 Adjusting screws for carburetor
14 Switch for grip heating (only on “H” model saws)
15 Identification plate
16 Starter grip
17 Combination switch (Choke / Start / Stop)
18 Throttle lever
19 Safety locking button
20 Rear hand guard
21 Fuel tank cap
22 Fan housing with starting assembly
23 Oil tank cap
24 Guide bar
25 Chain (Blade)
Identification plate (15)
Indicate when ordering spare parts
Serial number
Year of
manufacture