GGP Mountfield SV-150 Скачать руководство пользователя страница 20 | Manualshive

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GGP Mountfield SV-150 Скачать руководство пользователя страница 20

B) Removing the filter body

11 Clean the area around the filter cover (1).

12 Remove the cover (1) by releasing the rear flap

(2) and take out the sponge filtering element (3).

13 To remove the filter body (5), loosen the screw

(7) fastening the governor system bracket and
the two screws (8), remembering that both these
screws also fasten the carburettor to the engine
block.

14 Disconnect the oil vapour circulation pipe (9).

Tightening torques

7

Governor bracket screw ...................... 6-8 Nm

8

Carburettor screw ................................ 6-8 Nm

SV 150

6.3

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0

INTAKE SYSTEM

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WORKSHOP MANUAL

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2004

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01/2005

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Содержание Mountfield SV-150

Страница 1: ...the right to make all the necessary technical or commercial improvements to its products so there may be some differences between the series of lawnmowers and the contents of this manual However the b...

Страница 2: ...are parts available 4 Engine tuning This chapter describes how to plan a mainte nance program and outlines a servicing proce dure for general engine tuning 5 Troubleshooting This chapter summarizes al...

Страница 3: ...g time All problems related to use are fully covered in the user manual 01 2005 SV 150 ii 0 INTRODUCTION 1 1 WORKSHOP MANUAL page from 2004 to 6 3 INTAKE SYSTEM GENERAL INFORMATION The intake system u...

Страница 4: ...laced parts in case clients should make fur ther complaints C Faultnotification The manufacturer should be informed of all faults that recur frequently this allows it to care fully examine the problem...

Страница 5: ...al do not entail particularly hazardous situations besides the normal hazard related to mechanical operations and that can be avoided by taking the necessary care and attention normally required for t...

Страница 6: ...procedure 6 1 Conveyor nuts 2 4 7 Nm 6 2 Starter screw 6 4 6 Nm 6 3 Governor bracket screw 7 6 8 Nm 6 3 Carburettor screws 8 6 8 Nm 6 5 Cylinder head screws 34 20 25 Nm 6 6 Spark plug tightening torqu...

Страница 7: ...it 11 Nut 12 Oil level pipe assembly 13 Air filter base 14 Screw 15 Filtering element 16 Air filter cover 17 Breather pipe 18 Governor bracket 19 Governor spring 20 Spring 21 Carburettor 22 Governor t...

Страница 8: ...unctional test point C Should the checks and adjustments fail to achieve a satisfactory result refer to chapter 5 for trou bleshooting C Functional test A functional test needs to be carried out at th...

Страница 9: ...nder head screws can loosen causing the gasket to burn The piston rings can wear out due to the pas sage of dust caused by an excessively dirty or unoiled air filter or overheating due to the lack of...

Страница 10: ...The engine must start with the lawnmower drive completely disengaged a poorly adjusted cable can generate faulty resistance which makes starting more difficult If the engine is tilted with the spark p...

Страница 11: ...he carburettor clog up the petrol supply drops and the engine becomes less efficient The pneumatic governor fin disc is broken or does not move freely and therefore fails to work the carburettor corre...

Страница 12: ...The governor rods are bent deformed or do not move freely preventing the governor from reach ing its end of stroke The air gap adjustment between the flywheel and coil must be 0 25 0 40 mm Excess dir...

Страница 13: ...e thickness of the clutch lining normally guar antees good braking action for the entire dura tion of the engine If it comes away from the lever act immediately to stop the metal from rubbing against...

Страница 14: ...pe 6 1 C SERVICING PROCEDURES WARNING All work on the tank and on the sup ply system must be carried out in safe condi tions so do not smoke always empty the tank work in a ventilated environment away...

Страница 15: ...clean inside the tank 15 Empty the tank and dispose of the petrol used for cleaning in accordance with the laws in force 16 Remount the conveyor WARNING Check that the petrol pipe 4 is intact and sec...

Страница 16: ...out strain the hooks are deformed or broken 6 2 B inefficient or no return of the cable spring broken 6 2 C In all cases remove the conveyor to make the nec essary checks or repairs SERVICING PROCEDUR...

Страница 17: ...r with the tank 6 1 A 22 Loosen the central screw 6 and dismount the bushing 7 and hooks 8 without letting the pul ley 3 slip out of place NOTE The screw 6 has a left handed thread and therefore shoul...

Страница 18: ...to the handle 5 with a knot 39 Spray some silicone lubricant onto the spring 9 and apply liquid grease to inside the conveyor housing Check that the spiral spring 10 is securely lodged in the conveyor...

Страница 19: ...move the cover 1 by releasing the rear flap 2 and remove the sponge filtering element 3 IMPORTANT The filtering element must be kept clean and soaked in oil Replace it if bro ken cracked or fragmented...

Страница 20: ...body 5 loosen the screw 7 fastening the governor system bracket and the two screws 8 remembering that both these screws also fasten the carburettor to the engine block 14 Disconnect the oil vapour cir...

Страница 21: ...tank if petrol is not strictly necessary for the operation to be carried out work in a ventilated environment away from naked flames or unprotected sources of heat collect petrol in a suitable contain...

Страница 22: ...rneath the screw 5 the float 8 must oscillate freely on the pin 7 the jet 11 should never be modified or replaced with others even if they seem to have the same specifications the choke 12 must open a...

Страница 23: ...ine s minimum speed must be between 2200 and 2500 rpm 23 Turn the screw 22 on the carburettor until you achieve a stable minimum speed within the above values D Adjusting maximum speed NOTE This opera...

Страница 24: ...ient power if not due to other causes Incorrect adjustment of the throttle cable 6 5 A rods bent or deformed 6 5 B pneumatic device broken or blocked 6 5 B Engine runs irregularly if not due to other...

Страница 25: ...t broken and moves freely If the fin disc is even partly broken replace it point D 14 If the above checks do not reveal faults a dif ference between the measured speed and specified speed can be compe...

Страница 26: ...e sure the washer 41 is correctly posi tioned underneath the fin disc 37 and securely tighten the pin 39 in such a way that the fin disc 37 moves freely Check that the tie rod 40 has a centre dis tanc...

Страница 27: ...r gap 6 6 B oxidized or loose contacts 6 6 B For access to the coil and the flywheel remove the upper conveyor SERVICING PROCEDURES A Checking the efficiency of the ignition sys tem 1 Dismount the spa...

Страница 28: ...any cracks or signs of deterioration or burns which reduce its efficiency and insulation level 14 Loosen the two screws 13 securing the coil 12 release the brake manually and rotate the flywheel 14 u...

Страница 29: ...are lined up with the poles of the coil core 12 26 Insert a 0 35 mm thickness gauge 15 between the flywheel 14 and the coil poles Push the coil until the poles come in contact with the thickness gauge...

Страница 30: ...gine does not stop within 3 seconds after it is turned off clutch lining has come away 6 7 C If the microswitch malfunctions or if the brake lining has come away replace the entire assembly which is m...

Страница 31: ...2 mm thick at the thinnest point 23 Make sure that the control lever 14 moves freely and remove any remains of grass and mud 24 Reconnect the petrol pipe and start the engine Release the lawnmower le...

Страница 32: ...t 25 and fastened by the stud bolt 23 36 After making all the connections check that the terminal 29 is correctly fixed onto the support 25 and that the wire 21 is correctly attached to the outer hole...

Страница 33: ...eyor with the tank 6 1 A 2 Remove the cover 1 secured by three screws 2 3 Unscrew the two nuts 3 and take out the muf fler 4 the heatproof baffle 5 the spacer 6 and the gasket 7 4 When mounting thorou...

Страница 34: ...nder head 3 4 Remove the gasket 5 and clean the cylinder head and cylinder surfaces 5 Turn the flywheel manually to move the piston and the valves and clean inside the cylinder removing any deposits f...

Страница 35: ...nd the engine brake cable 22 23 Dismount the cutting assembly and undo the 3 screws 23 which are accessible from the bot tom of the lawnmower 24 Hold the engine in points with a firm grip remembering...

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