Makita EA7900P Instruction Manual

9
2
13
24 25
14 15
16 17
18 19
3
4
1
6
7
12
23
5
8
9
1126
202122
27
10
Stroke volume cm
3
64 72.6 78.5
Bore mm 47 50 52
Stroke mm 37 37 37
Max. power at speed
3)
kW / 1/min 3.5 / 9,000 4.2 / 9,500 4.6 / 9,500
Max. torque at speed
3)
Nm / 1/min 4.2 / 6,500 4.8 / 7,000 5.2 / 7,000
Idling speed / max. engine speed with bar and chain 1/min 2,500 / 13,500 2,500 / 13,500 2,500 / 13,500
Clutch engagement speed 1/min 3,200 3,200 3,200
Sound pressure level at the workplace L
pA, eq
per ISO/CD 22868
1) 4)
dB(A) 104,3 / K
pA
= 2,5 104,3 / K
pA
= 2,5 104,3 / K
pA
= 2,5
Sound power level L
WA, eq
per ISO/CD 22868
1) 4)
dB(A) 113,3 / K
WA
= 2,5 113,3 / K
WA
= 2,5 113,3 / K
WA
= 2,5
Vibration acceleration a
hv, eq
per ISO 22867
1) 4)
- Tubular handle m/s
2
5.9 / K=2 6.2 / K=2 6.6 / K=2
- Rear handle m/s
2
3.6 / K=2 4.1 / K=2 4.5 / K=2
Carburetor (diaphragm carburetor) Type ZAMA
Ignition system Type electronic
Spark plug Type NGK BPMR 7A / BOSCH WSR 6F
Electrode gap mm 0.5
Fuel consumption at max. load per ISO 7293
3)
kg/h 1.72 2.33 2.3
SpeciÞ c consumption at max. load per ISO 7293
3)
g/kWh 500 510 505
Fuel tank capacity l 0.75
Chain oil tank capacity I 0.42
Mixture ratio (fuel/two-stroke oil)
- when using MAKITA 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
2)
m/s 19.74 20.83 20.83
Sprocket pitch inch 3/8
Number of teeth Z 7
Chain type see the Extract from the spare-parts list 099
Pitch / gauge inch 3/8 / .058
Guide bar, length of a cut cm 38 / 45 / 50 / 60 / 70
Guide-bar type see the Extract from the spare-parts list
Weight (fuel tank empty, without chain and guide bar) kg 6.3 6.3 6.3
1)
Figures derived in equal part from idling, full-load and racing speed.
2)
At max. power.
3)
For models without starting valve.
4)
Uncertainty (K=).
Technical data
IdentiÞ cation plate (12)
Indicate when ordering spare parts
Serial number
Year of manufacture
Denomination of components
1 Handle
2 Filter hood
3 Filter hood clip
4 Tubular handle
5 Hand guard (release for chain brake)
6 Mufß er
7 Spike bar
8 Chain tensioning screw
9 Retaining nuts
10 Chain catch
11 Sprocket guard
12 IdentiÞ cation plate
13 Starting valve (option)
14 Starter grip
15 Adjusting screws for carburetor
16 I/STOP-switch
17 Choke switch and half-throttle lock
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
26 Adjusting screw for oil pump (bottom side)
27 Switch for handle heating (only on type “H” models)
DCS6400 / H DCS7300 / H DCS7900 / H
DCS6401 / H DCS7301 / H DCS7901 / H

Makita EA7900P Specifications

General

Brand	Makita
Model	EA7900P
Category	Chainsaw
Language	English