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Dolmar PC-7312 HappyStart, Service Manual

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Dolmar PC-7312 HappyStart Service Manual Download Page 2

2

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

Summary of Contents for PC-7312 HappyStart

Page 1: ...1 DOLMAR GmbH PC 6212 HappyStart PC 6214 HappyStart PC 7312 HappyStart PC 7314 HappyStart Service Manual...

Page 2: ...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 1...

Page 3: ...aring 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 Pulle...

Page 4: ...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...

Page 5: ...per 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 pl...

Page 6: ...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 pointe...

Page 7: ...g 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...

Page 8: ...rom 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...

Page 9: ...ection 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 c...

Page 10: ...venly 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 ig...

Page 11: ...crews 5 Note Grease new spring 944 360 000 05 02 Mounting the return spring starter cable Thread cable through knotting 6 into the cable drum and knotting 7 into the starter grip 8 The washer 9 is mou...

Page 12: ...08 Intake hose Pull the intake hose 7 out of the intake elbow and check for damage Replace the insert 8 in the intake hose again before assembling the carburetor 06 05 Removing the carburetor Remove...

Page 13: ...pring Note If there is visible wear arrows the control unit must be replaced 06 03 Carburetor dismantling the con trol side Unscrew cover 1 Carefully remove the seal 2 and diaphragm 3 from the control...

Page 14: ...filter inside filter The inside filter should also be washed out in luke warm soapy water 07 04 Cleaning the filter paper cartridge Unscrew the 4 screws on the cover hood 4 To clean fan the paper car...

Page 15: ...are on the clutch side To dismantle them the front handle filter system and tank must be removed 08 03 Replacing the vibration absorbers The fourth vibration absorber is on the magnet side To dismantl...

Page 16: ...throttle lever 3 spring 4 and throttle lock 5 The throttle lock 6 for half throttle can also now be replaced 09 04 Replacing the fuel pipe Unscrew tank cap remove suction head 7 from tank and pull off...

Page 17: ...ng piston the arrow on top of the piston has to point in direction of muffler Note Before assembling the piston ensure that the cylinder base gasket 3 is fitted correctly 13 02 Testing the decompressi...

Page 18: ...lly by tapping with a plastic hammer 11 03 Mounting the crankcase Tighten the 5 fixing screws with a torque of 10 Nm see page 22 11 03 Complete crankcase The complete crankcase is divided into the cra...

Page 19: ...and clutch hub with the specified torque see page 22 12 02 Testing the ignition system To test the ignition system spark plug use test device no 965 010 030 12 03 Testing the carburetor To test the c...

Page 20: ...ing the pressure disc Undo screw 1 and remove pressure disc Note With the 25 4 mm 1 axle the inner flange is located behind the recess of the axle 2 Remove axle and flange together 13 02 Replacing the...

Page 21: ...uard rings from the housing 13 08 Mounting the cutting device bearings Mount external guard ring 4 Heat housing up to approx 100 C Push ball bearing 5 up against the ring Insert middle ring 6 and spac...

Page 22: ...Ignition coil Front handle Rubber mounts Carburetor clutch Flywheel Sparkplug V belt pully 10 1 0 10 1 0 14 1 0 6 1 0 7 0 5 7 0 5 1 5 0 5 55 0 2 30 2 5 25 2 5 25 5 0 Assy set Typ PC 6212 6214 PC 7312...

Page 23: ...23 DOLMAR GmbH Notice...

Page 24: ...24 DOLMAR GmbH Form 995 716 120 Specifications subject to change without notice DOLMAR GmbH Postfach 70 04 20 D 22004 Hamburg Germany...

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