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GS500E (1989-1997)
Инструкция по эксплуатации Страница: 191

Suzuki GS500E (1989-1997) [191/221] Maint techniques

REF-4 Maintenance Techniques

Basic maintenance spec~fic torque value, which is noted in the loosened by striking it with a soft-faced

. Specifications. Be sure to follow the torque rec. hammer near the mating surfaces. A normal

techni q ues ommendatlons~losely:. hammer can be used if a block of wood is

Fasteners laId out In a pattem (Ie cylinder placed between the hamme

d the art Dhead bolts engl b It ) r an p. 0

There are a number of techniques involved in loosen d 'r h;e ~a~e 0 s, etc. must ~ not hammer on cast parts or parts that could be

maintenance and repair that will be referred to Wine t~ c~ en In a. ~equence to avoId easily damaged. With any particularly stubborn

throU~hout this manual. Application of these S~ldg go on ~:~~i I~~'allyi theNbo~~uts part, always recheck to make sure that every

techniques will enable the amateur mechanic to should be tightened on~ fu~~~;n e:~h Ine~ fasten~r ~ been remo~.

be more efficient, be~er organlsed and capable criss-cross or diagonal pattem. After each one Avoid uSIng a scl9Wdnver or bar to pry apart

of. performIng the various tasks properly, which has been tightened one full tum retum to the components, as they can easily mark the

will ensure that the repair job is thorough and first one tightened and tighten th~m all half gasket sealing surfaces of the parts (which

complete. . one

must . th) If . .

tum, following the same pattem. Finally, tighten remain smoo . prying IS absolutely

each of them one quarter turn at a time until necessary, use a piece of wood, but keep In

Fastening systems each fastener has been tightened to the proper mind that. extra clean-up will be necessary If the

Fasteners basicall are nut I torque. To loosen and remove the fasteners the wOOd splInters.

screws used to hOI~' two or s~~etsp=~~ procedure would be reversed. After the parts are separated, the old gasket

together. There are a few things to keep in mind must be carefully scraped off and the gasket

when working with fasteners. Almost all of them . surfaces C~ed. Stubbom gasket material can

use a locking device of some type (either a lock Disassembly sequence be soaked with a gasket remover (available in

washer, locknut, locking tab or thread locking Component disassembly should be done aerosol cans) to soften it so it c~n be easily

compound). All threaded fasteners should be with care and purpose to help ensure that the sr:'aped off. A scraper ~an be fashlon~ from a

clean, straight, have undamaged threads and parts go back together properly during piece ~f copper tubing by flattening and

undamaged comers on the hex head where the reassembly. Always keep track of the sequence sharpening. one end. Copper is recommended

spanner fits. Develop the habit of replacing all in which parts are removed. Take note of because It IS usually softer than the surfaces to

damaged nuts and bolts with new ones. special characteristics or marks on parts that be scraped, which reduces the chance of

Rusted nuts and bolts should be treated with can be installed more than one way (such as gouging the part. Some gaskets can be

a penetrating oil to ease removal and prevent convex washers and gear pinions). It's a good removed with a wire brush, but regardless of

breakage. After applying the rust penetrant, let Idea to lay the disassembled parts out on a the method used, the mating surfaces must be

it work for a few minutes before trying to loosen clean surface in the order that they were left clean and smooth. If for some reason the

the nut or bolt. Badly rusted fasteners may removed. It may also be helpful to make gasket surface is gouged, then a gasket sealant

have to be chiselled off or removed with a sketches or take instant photos of components thick enough to fill scratches will have to be

special nut breaker, available at tool shops. before removal. used during reassembly of the components.

If a bolt or stud breaks off in an assembly, it When removing fasteners from a component, For most applications, a non-drying (or semi-

can be drilled out and removed with a special keep track of their locations. Sometimes drying) gasket sealant is best.

tool called an E-Z out (or screw extractor). Most threading a bolt back in a part, or putting the

dealer service departments and motorcycle washers and nut back on a stud, can prevent

repair shops can perform this task, as well as mix-ups later. If nuts and bolts can't be Hose removal f

others (such as the repair of threaded holes retumed to their original locations, they should IpS

that have been stripped out). be kept in a compartmented box or a series of Hose removal precautions closely parallel

Washers should always be replaced exactly small bo~es or la~led plastic bags. A box of gasket removal precautions. Avoid scratching

as removed. Replace any damaged washers thIS type IS especially helpful when working on or gouging the surface that the hose mates

with new ones. Always use a flat washer assemblies with very small parts (such as the against or the connection may leak. Because of

between a lock washer and any soft metal carburettors, tappets, shims etc). various chemical reactions, the rubber in hoses

surface (such as aluminium), thin sheet metal or Whenever wiring looms, harnesses or can bond itself to the metal union that the hose

plastic. Special locknuts can only be used once ~onn.ectors are separated, it's a good idea to fits over. To remove a hose, first loosen the

or twice before they lose their locking ability Identity the two halves with numbered pieces of hose clamps that secure it to the union. Then,

and must be replaced. masking tape so they can be easily with slip joint pliers, grab the hose at the clamp

reconnected. and rotate it arolKld the union. WOI'k it back and

forth until it is completely free, then pull it off

(silicone or other lubricants will ease removal If

Tightening sequences and Gasket sealing surfaces they can be applied between the hose and the

procedures Gaskets are used to seal the mating surfaces outsid~ o~ the union). Apply the same lubricant

between components and keep lubricants, to the InSIde of the hose and the outside of the

When threaded fasteners are tightened, they fluids, vacuum or pressure contained in an union to simplify installation.

are often tightened to a spe~ific torque value assembly. If the hose is particularly stubborn, slit the

(torqu~ IS basically a twisting force). Over- Many times these gaskets are coated with a hose with a sharp knife and peel it off the union.

~Ightenlng the fastener ca.n weaken it and cause liquid or paste type gasket seating compound The hose will obviously be destroyed uq this

It to break, while under-tightening can cause it before assembly. Age, heat and pressure can method.

to eventually co":e loose. Each bolt, depending sometimes cause the two parts to stick If a hose clamp is broken or damaged, do

on the material it s made of, the diameter of its together so tightly that they are very difficult to not reuse it. Also do not reuse hoses that

shank and the material it is threaded into, has a separate. In most cases, the part can be cracked, split or t~m. are

Suzuki GS500E (1989-1997) [191/221] Maint techniques

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