Stiga TRE586VA - Page 4

pag. 4
Release 00 - 12/2019
Engine TRE 586V-TRE 586VA-TRE 635V
Service manual
8. GOVERNOR SYSTEM OF THE CARBURETTOR ................................................. 29
8.1. Adjusting of accelerator cable ............................................................................................................29
8.2. Verify petrol pump (if present) .............................................................................................................. 30
8.3. Pump replacement (if present) .............................................................................................................30
8.4. Adjusting maximum speed ...................................................................................................................31
9. IGNITION ......................................................................................................... 33
9.1. Checkingtheefciencyoftheignitionsystem ..................................................................................33
9.2. Adjusting the air gap and checking the coil ......................................................................................34
9.3. Replacing the coil ..................................................................................................................................36
10. ENGINE BLOCK - External repairs ............................................................... 37
10.1. Checking the compression ................................................................................................................... 37
10.2. Adjusting the valve clearance .............................................................................................................38
10.3. Dismantling and cleaning the cylinder head .....................................................................................39
10.4. Overhauling the cylinder head and valves ........................................................................................41
10.5.Dismantlingandreplacingthemagnetoywheel .............................................................................44
10.6. Checking the oil breather .....................................................................................................................46
10.7.Replacingtheuppercompressionringoftheengineshaft(ywheelside) ....................................46
10.8. Verify alternator charge ........................................................................................................................47
10.9.Replacingthelowercompressionringoftheengineshaft(sumpside) .......................................... 48
11. ENGINE BLOCK - Overhauling internal parts ............................................. 49
11.1. Remove the engine from the machine ................................................................................................49
11.2. Carter opening .......................................................................................................................................49
11.3.Dismantlingandcheckingthecamshaftandcounterweightgovernor .......................................... 51
11.4. Dismantling and checking the piston, piston rings, connecting rod and engine shaft ..................54
12. TURNING OFF AND STOPPING ENGINE ....................................................... 61
13. EXHAUST SYSTEM .......................................................................................... 61
14. TROUBLESHOOTING ...................................................................................... 62
15. CHARGING SYSTEM ..................................................................................... 64
15.1 Electrical diagram .................................................................................................................................. 64
15.2 Control of the charging system ............................................................................................................65
15.3 Recharge system diagram ....................................................................................................................66
CONTENTS
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