Dolmar PC-6212 HappyStart Manuel utilisateur
1
DOLMAR GmbH
PC-6212 HappyStart
PC-6214 HappyStart
PC-7312 HappyStart
PC-7314 HappyStart
Service Manual
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DOLMAR GmbH
Index Special tools page 3
Technical data 4
02 Clutch, clutch drumm 5
04 Ignition 6 - 10
05 Starting system 11
06 Carburetor, intake system 12-13
07 Cover, air filter 14
08 Front handle, rubber mounts 15
09 Fuel filter 16
10 Cylinder, piston 17
11 Crankcase, crankshaft 18
12 Checking operation 19
13 Cutting attachment 20 - 21
Torques 22
Notizen 23
Index
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DOLMAR GmbH
Special tools
Puller for Flywheel
957.427.010 Puller for ball bearing
Counter support (1) 955.102.015
Inside pulller (2) 955.102.025
Mounting tool for
clutch hub
944.500.570
2
Set of pistonring tension belt (1)
944.600.001
Piston stop wedge (2)
944.602.000
1
1
2
1
2
Puller for oil seals
944.500.900
Screw driver Torx (T27)
(1) 944.500.860
(2) 944.500.862
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DOLMAR GmbH
Technical data
Displacement cm362 73
Bore mm 46 50
Stroke mm 37 37
Max. power kW 3,3 4,2
Max. torque Nm 4,0 5,0
Idling speed 1/min 2.500 2.500
Clutch engagement speed 1/min 3.800 3.800
Engine speed limitation 1/min 9.350 9.350
Max. spindle speed 1/min 4.300 4.300
Sound pressure level LpA eq per EN 1454 1) 4) dB (A) 97 99
Sound power level LWA eq per EN 1454 1) dB (A) 109 110
Vibration acceleration ah,w per EN 1454
- Tubular handle (idle/rated spindle speed) m/s27 / 5 7 / 6
- Rear handle (idle/rated spindle speed) m/s28 / 6 8 / 7
Carburetor (diaphragm carburetor) Type TILLOTSON HS-273 A
Ignition system (with speed limitation) Type electronic
Spark plug Type
NGK BPMR 7A / BOSCH WSR 6F / CHAMPION RCJ 6Y
Electrode gap mm 0,5 0,5
Fuel consumption at max. load per ISO 8893 kg/h 1,65 2,1
Specific consumption at max. load per ISO 8893 g/kWh 500 500
Fuel tank capacity l 1,1 1,1
Mixture ratio (fuel/two-stroke oil)
- when using DOLMAR HP 100 high-performance oil 100:1 100:1
- when using DOLMAR oil 50:1 50:1
Cutting disc for 80 m/sec. 2) (DSA approved): dimensions mm
300 / 20,0 / 5
3)
350 / 25,4 / 5
3)
300 / 20,0 / 5
3)
350 / 25,4 / 5
3)
Arbor diameter mm 20,0 25,4 20,0 25,4
V-belt AVX 838 LA AVX 838 LA
Overall weight (tanks empty, without cutting disc ) kg 9,7 9,9 9,8 10
1) Figures derived in equal part from idle and max.-speed operation.
2) Circumference speed at max. engine speed
3) Outside diameter / arbor hole / thickness
4) At the workplace (at user's ear)
PC-6212 PC-6214 PC-7312 PC-7314
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DOLMAR GmbH
1
2
3
45
68
02 Clutch, clutch drum
9
11
12
13
7
02-01 Dismantling the clutch/drum
To remove the clutch and drum, the piston
must be blocked. To do this, unscrew the 3
screws (9) fixing the muffler and insert the
piston stop wedge (944.602.000) in to the
exhaust port of the cylinder (11).
02-01 Dismantling the clutch/drum
The side strut is fixed with 3 screws (6) to
the tank and the collector (7) for the right
upper damper device.
02-01 Dismantling the clutch/drum
The cover for the V-belt is fixed to the crank-
case with 3 screws (8).
02-01 Mounting muffler and heat plate
When mounting the muffler ensure that the
heat plate is installed correctly (see drawing).
Note: The heat plate (12) comes directly on to
the cylinder, then the gasket (13) and muffler.
02-01 Dismantling the clutch/drum
To remove the cutting device, loosen the
fixing screws (4). Remove screw (5) to the
point where the end of the screw projects
from the cover (arrow).
02-01 Dismantling the clutch/drum
To dismantle the clutch and drum, remove the
cutting device (1), strut (2) and V-belt cover
(3).
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DOLMAR GmbH
123
4
04 Ignition system
02-02 Mounting the clutch/drum
When mounting the drum and the clutch, be
carefultomountthewashersintherightorder.
(1) Ring (sits in the groove of the crankshaft)
(2) End collar (with recess towards ring)
02-02 Dismantling the clutch/drum
Unscrew the clutch with the special tool (parts
no. 944.500.570) and a 19mm wrench.
Caution: left-handed thread
02-02 Mounting the clutch/drum
(3) Guide washer
(4) Clutch guide washer,before assembly,
press into the support on the back of the
clutch hub.
02-01 Repairing the clutch
The tension springs of the clutch can be
removed/ replaced with pointed pliers. If
spares are required, the 3 tension springs
are only available as individual parts.
02-02 Mounting the drum
Before installing the clutch drum, the needle
bearing that is pressed in must be greased.
(Multipurpose grease 944.360.000)
02-01 Repairing the clutch
The tension springs should only be replaced
as a set if replacement is required.
If the hub / fly weight is defective, the com-
plete clutch must be replaced.
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DOLMAR GmbH
STOP
9
10
11
1
0,5 mm
214
32
04 Ignition system
04-01 Checking the spark plug
Remove filter hood.
Pull spark plug socket (1) off the spark plug
and remove spark plug (2).
04-01 Checking the spark plug
Connect spark plug (2) with plug socket and
hold to earth (3). Pull out starter cable. If no
spark is produced, repeat procedure with new
spark plug.
Note: Switch (4) must be in position “I”.
04-01 Checking the spark plug
The spark plug has serious oil carbon depos-
its. Clean or replace spark plug.
04-01 Checking the spark plug
Combustion and motor performance will be
improved if the spark plugs function properly.
Dirty or faulty spark plugs should therefore
be cleaned or replaced.
04-02 Replacing the plug connector
Hold the plug connector spring using pointed
pliers and push the rubber cap backwards
over the ignition cable.
Note: grease the ignition cable slightly
beforehand.
04-01 Checking the spark plug
Spark plug is showing signs of wear (burning
off) on the middle electrode.
Spark plug must be replaced.
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DOLMAR GmbH
34
1
2a
2
04 Ignition system
04-03 Removing the ignition/ short circuit
cable
Unscrew the starter device that is fixed with 4
screws.
04-03 Removing the ignition/ short circuit
cable
Unscrew filter hood (07-03).
Remove ignition and short circuit cable from
the guide (1) of the hood.
04-03 Removing the ignition/ short circuit
cable
Unscrew ignition from the ignition armature.
Loosen short circuit cable from the socket
connection (arrow).
04-03 Removing the ignition/ short circuit
cable
Remove hood - to do this, unscrew the 3
screws (2).
The screw (2a) is also the fixing for the earth
cable.
04-03 Removing the ignition/ short circuit
cable
Loosen the locking device of the intake elbow
from the tank housing. To do this, push both
levers inwards (arrow) and lift the intake
elbow slightly.
04-03 Removing the ignition/ short circuit
cable
Loosen the hose clamp (3) of the intake hose.
Pull the suction hose (4) off the cylinder.
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DOLMAR GmbH
Neues Foto
4
3
4
2
1
04 Ignition system
04-03 Removing the ignition/ short circuit
cable
Push throttle control rod towards the cylinder
using pointed pliers, pulling upwards out of
the guide of the gas grip (arrow).
04-03 Removing the ignition/ short circuit
cable
Remove intake elbow with carburetor and
choke shaft from the tank housing.
04-03 Assembling the ignition/ short
circuit cable
When mounting the short circuit cable, make
sure that the connection between the connec-
tor lug of the short circuit cable and the
contact spring is in order (arrow).
04-03 Removing the ignition/ short circuit
cable
Pull short circuit cable (1) from its place in the
choke shaft (2).
Loosen earth cable (3) from the socket con-
nection of the contact spring (4).
04-03 Assembling the ignition/ short circuit
cable
As a safety measure, the short circuit cable
will be laid during assembly in the brackets
underneath the ignition cable.
04-03 Assembling the ignition/ short circuit
cable
Twist ignition cable into the ignition armature.
Note: To prevent moisture leaking in, fill
protective cap (4) with silicon paste
980.007.100 before replacing.
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DOLMAR GmbH
1
3
2
4
04 Ignition system
04-04 Removing the ignition armature
Unscrew starting device.
Remove the two screws (1) of the ignition
armature. Clip off ignition and short circuit
cable.
04-04 Mounting the ignition armature
Connect ignition and short circuit cable.
Position setting gauge 944.500.890 (arrow)
between ignition device and magnet on the
flywheel. Press ignition device firmly whilst at
the same time tightening the screws evenly.
04-05 Mounting the flywheel
Before mounting the flywheel, the cone seat
and the crankshaft (4) must be cleaned.
Note. The flywheel is tightened with a torque
of 30Nm (see page 22).
04-04 Checking the ignition armature
In the event of a fault, first check the ignition
earth connection. To do this, loosen and then
tighten the screws (1) a few times. then check
ignition once again.
04-05 Removing the flywheel
Block the transmission using the piston stop
wedge. Unscrew bolt (2) and remove washer
(3). Remove flywheel with pulling device
957.427.010.
Warning: to avoid damage to the crankshaft
always use the protective cap including with
the pulling device.
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3
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