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Dolmar AR-3733 Manual

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14 ENGLISH
Blade maintenance
NOTICE:Failuretoperformblademaintenancemay
causeexcessivebladefrictionandshortentheoper-
ating time per battery charge.
Beforeandafteroperation,checktheshearblades
carefully.
Afteroperation,cleanoffthebladeswithastiffbrush.
Thenwipethebladeswithacloth.AndapplyDolmar
genuine machine oil onto the blade edge and movable
part.
►Fig.22
Sharpening blades
Upper shear blade
1. Applytheatsurfaceofthediamondletothe
blade edge.
Pushthediamondletowardsthetipofthebladeto
sharpen along the entire blade edge.
Maintainthesameatcontactwiththeleconsistently
along the entire blade edge.
►Fig.23: 1.Diamondle
2. Applytheatsurfaceofthediamondlelightlyto
theoppositesideoftheblade.
Movethediamondletowardsthetipoftheblade
lightly to remove burrs.
►Fig.24
NOTICE: Do not sharpen this side too much. File
lightlyonlyforremovingburrs.Otherwisetheblade
clearancemaybecometoomuchorthebladelife
may be shortened.
Lower shear blade
1. Applytheroundsurfaceofthediamondletothe
blade edge.
Pushthediamondletowardsthetipofthebladeto
sharpen along the entire blade edge.
►Fig.25
2. Applytheatsurfaceofthediamondlelightlyto
theoppositesideoftheblade.
Movethediamondletowardsthetipoftheblade
lightly to remove burrs.
►Fig.26
NOTICE: Do not sharpen this side too much. File
lightlyonlyforremovingburrs.Otherwisetheblade
clearancemaybecometoomuchorthebladelife
may be shortened.
Adjustment for blade clearance
►Fig.27: 1.Platexingbolt 2.Lockplate
3. Blades tightening nut
Fromtimetotime,adjusttheclearanceoftheshear
bladesasfollows:
1. Switch on the tool, and pull the switch trigger to
open the shear blades.
2. Withshearbladesopen,switchoffthetool.And
disconnecttheconnectioncordfromthetool.
3. Loosentheplatexingbolt.Andthenremovethe
lock plate.
4. Adjustthetightnessofthebladestighteningnut
byhand(fasteningtorqueforthebladetighteningnut:
approximately0.5N•m).
5. Installthelockplateandplatexingboltagain.
6. Checkthetightnessofthebladewhetherthe
blades never rattle but upper blade can be opened or
closedabout3mmbyhand.Ifthebladesaretootightor
loose,adjusttheclearanceagain.
NOTICE:Payattentiontotheclearanceofthe
blades.Toolooseclearancemayresultindullcut,
and too tight blade clearance may result in overload
forthemotorandshortrunningtimeofthetool.
Removing or installing shear blades
Toremovetheshearblades,performfollowingsteps:
1. Tilttheopeningangleselectorlevertotheleftside
rsttoopenthebladesfully.
2. Switch on the tool, and pull the switch trigger to
open the shear blades.
3. Withshearbladesopen,switchoffthetool.And
disconnecttheconnectioncordfromthetool.
►Fig.28
4. Remove two bolts near the switch trigger with the
hex wrench.
Remove the trigger guard by separating the tongue on
thetriggerguardfromthegrooveofthehousing.
►Fig.29: 1.Bolts 2.Triggerguard
5. Remove the E-ring on the link arm with a slotted
screwdriver or alike.
►Fig.30: 1. E-ring 2. Link arm
NOTICE:TheE-ringisexpendablepart.Donot
re-use the E-ring when reassembling.
6. Carefullyremovethepin.
►Fig.31: 1. Pin
7. Removetwoboltsfromthesideofthehousing.
►Fig.32: 1. Bolts
8. Carefullyremovetheupperandlowershearsfrom
the housing.
►Fig.33
9. Toseparatetheupperbladeandthelowerblade,
rstloosentheplatexingbolt.
Thenremovethelockplate.
►Fig.34: 1.Platexingbolt 2.Lockplate
10. Loosen and remove the blades tightening nut.
►Fig.35: 1. Blade tightening nut 2. Blade tightening
bolt
Toinstalltheshearblades,performtheprocedures
above in reverse. Make sure all the bolts are securely
tightened.
… 14 …


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