UH4540-TE, MAKITA Budowa, Instrukcje serwisowe

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//-->TECHNICAL INFORMATIONUH4540 / UH5540 / UH6540450mm / 550mm / 650mm / Hedge TrimmersL2WL1Model No.DescriptionPRODUCTP 1 / 10CONCEPT AND MAIN APPLICATIONSThe above products are new hedge trimmer series modelswith higher power and durability for professional use.Their brief features and benefits are* Carbon brushes can be changed without dismountinghousing.* Shear blade with stabilized sliding action* Easy to cut hedge side with the sub gripHSpecificationVoltage (V)230Current (A)2.7UH4540450(17-3/4)UH6540Model No.Length ( L2 ) 830 (32-3/4) 930 (36-5/8) 1,030 (40-1/2)Length ( L1 )470 (18-1/2)200 (7-7/8)Height ( H )220 (8-5/8)Width ( W )Cycle (Hz)50 / 60UH5540550(21-5/8)Continuous Rating (W)InputOutput600370UH6540650(25-1/2)Max. Output(W)500Dimensions : mm ( " )UH4540UH5540Model No.SpecificationsBlade length : mm(")No load speed : (min-1= spm)Length of stroke : mm(")Blade pitch : mm(")ClutchExternally accessible brushesProtection from electric shockNet weightincluding blade: Kg (lbs)Cord length : m ( ft )1,50018(11/16)28(1-1/8)YesYesby double insulation3.8(8.4)4.0(8.8)0.3 (0.98)4.1(9.1)Standard equipment* Blade cover ............................................. 1 pc.* Hook complete ........................................ 1 pc.< Note > The standard equipment for the tool shown may differ from country to country.Optionalaccessories* Blade cover* Hook complete* Shear blade assemblyRepair< 1 > LubricationApply MAKITA grease N. No.2 to the following portions marked with black triangle to protectparts and product from unusual abrasion. See Fig. 1.Helical gearP 2 / 10Lock spring 18Inner sleevePin 5(Switch rod)Pin holderGear completeSpacerCrankFig. 1Lubricant to be appliedVolume of lubricant3.5 g2.9 g0.5 g3.0 g0.1 gParts' nameHelical gearMAKITA grease N No.2 Lock spring 18Inner sleeveCrankPin 5 (Switch rod)Portion to be lubricatedTeeth portionWhole of its insidewhole of its outsidePortion where contacts with blade shankPortion where contacts with pin holder< 2 > Disassembling shear blade1. Disassemble under cover by unscrewing 2 pcs. of tapping screws 4 x 16. See Fig. 2.2. Disassemble gear housing cover by unscrewing 2 pcs. of tapping screws 4 x 16. See Fig. 2.Gear housing cover2 pcs. ofTappingscrews 4 x 16Under cover2 pcs. ofTappingscrews 4 x 16Fig. 2RepairP 3 / 103. Unscrewing 2 pcs. of pan head screws M5 x 25 as illustrated in Fig. 3.<Note in disassembling>These pan head screws M5 x 25 are the adhesive screws. It is recommended to unscrewwith the impact driver.4. Align the both elliptic holes of shear blades A and B with crank, by turning spindle portion anti-clockwisewith screwdriver inserted into the spindle's slit. See Fig. 4.5. Then, shear blades can be disassembled from housing. See Fig. 5.Pan head screwsM5 x 25The slit of spindlefor inserting screwdriverCrankShear blade AShear blade BCrank, alignedwith the holes ofshear blades A and B.Fig. 3Fig. 4Fig. 5< 3 > Assembling shear blade1. Turn crank to the position where it crosses the joint of housing R and L in right angle as illustrated in Fig. 6.2. Align the elliptic hole of shear blades A with the same of shear blade B as illustrated in Fig. 7.3. Assemble shear blades with aligning the screw holes of shear blades with the same of gear housing as illustratedin Fig. 8.4. Fasten shear blades with 2 pcs. of pan head screws M5 x 25 as illustrated in Fig. 9.<Note in assembling>These pan head screws M5 x 25 are the adhesive screws. Do not use the used ones.Always fasten with fresh adhesive screws.Joint ofhousing R and LPan head screwsM5 x 25GearhousingCrankAlign the elliptic holeseach other.Fig. 7Fig. 6Fig. 8GearhousingRepairP 4 / 105. Fasten gear housing cover with 2 pcs. of tapping screws 4 x 16. And then, fasten gear housing cover with 2 pcs.of tapping screws 4 x 16 as illustrated in Fig.10.Gear housing cover2 pcs. ofTappingscrews 4 x 16Under cover2 pcs. ofTappingscrews 4 x 16< 4 > Disassembling gear section (Crank section)1. Disassemble shear blades as mentioned in "< 2 > Disassembling shear blade" at page 2 and 3.2. Slightly hit the edge of gear housing with plastic hammer. Then, gear section (crank section) can be separatedfrom gear housing. See Fig. 11.3. Disassemble ball bearing 608ZZ with No.1R269 "Bearing extractor", and stop ring E-7.See Fig. 12.Fig.10Ball bearing 608ZZStop ring E-7GearhousingGearCrankFig. 12Fig. 114. Pull with turning gear assembly anti-clockwise, and pull crank section with turning clockwise.Then, crank section can be separated from gear assembly as illustrated in Fig. 13.<Note>It is impossible to separate these parts each other byturning them reverse direction.HolderGear assembly(including holder)Crank sectionFig. 13RepairHolderP 5 / 105. Put holder on lock spring 18 aligning its hole with the tail of lock spring 18.Turning lock spring 18 with holder anti-clockwise and turning crank section clockwise, pull them as illustratedin Fig. 14.Tail oflock spring 18HolderLock spring 18Crank sectionFig. 146. Disassemble ball bearing 6000ZZ with No.1R269 "bearing extractor", and flat washer 10.And then, disassemble spindle by pressing with arbor press. The crank section can be disassembledin crank complete, spacer and inner sleeve as illustrated in Fig. 15.Inner sleeveSpacerSpindleCrank complete<Note>It is impossible to separate these partseach other by turning them reversedirection.Flat washer 10Ball bearing 6000ZZFig. 15< 5 > Assembling gear section (Crank section)1. Assemble inner sleeve spacer, crank complete and spindle as illustrated in Fig. Fig. 16.And apply MAKITA grease N. No.2 to the out side of inner sleeve. See Fig. 16.Assemble spindle by pressingwith arbor press.SpindleCrank completeSpacerInner sleeveFig. 16Apply 0.5 g of MAKITA grease N. No.2 tothe out side of inner sleeve.2. Assemble gear assembly by pressing. And apply 2.9g of MAKITA grease N.No.2 in the gear hole.Put holder on lock spring 18 aligning its hole with the tail of lock spring 18, and press lock spring 18 togetherwith holder, into the gear hole. See Fig. 17.Put holder on lock spring 18aligning its hole with the tailAssemble gear assembly byof lock spring 18.pressing.Press lock spring 18 togetherwith holder, into the gear hole.HolderLock spring 18Apply 2.9g of MAKITA greaseN.No.2 in the gear hole.Fig. 17 [ Pobierz całość w formacie PDF ]

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