Makita Jack Hammer HM1203C 2010 Striker Service

Geschrieben von: Adam O'Camb
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Makita Jack Hammer HM1203C 2010 Striker Service

Schwierigkeitsgrad

Moderate

Schritte

29

Zeitaufwand

30 Minuten - 1 Stunde

Einleitung

Service the striker in a Makita Jack Hammer HM1203C 2010.

Wherever there’s grease, make sure to clean it off and replace it with new grease. The recommended grease is Makita 181490-7.

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    • Unscrew the knob securing the side handle.

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    • Remove the bolt securing the side handle.

    • Remove the side handle.

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    • Use a small pry bar or flathead screwdriver to pry the rubber front cap off of the hammer.

    • This can be replaced as part of a service kit.

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    • Use a pair of snap ring pliers to expand the snap ring on the front of the hammer.

    • Remove the snap ring.

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    • Remove the washer on the front of the hammer.

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    • Lift the front cover off of the front of the hammer.

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    • Lift the rubber ring off of the front of the hammer.

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    • Remove the inner front cover.

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    • Compress the spring and hold it down while you pull the two retainers out of their slots and remove them.

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    • Remove the spring guide.

    • Remove the spring.

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    • Remove the front barrel cover.

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    • Remove the 4 mm hex bolt securing the barrel cover.

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    • Lift the barrel cover straight up and remove it.

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    • Use a pair of snap ring pliers to expand the snap ring securing the bolt holder.

    • Remove the snap ring.

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    • Lift the washer off of the bolt holder and remove it.

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    • Remove four 6 mm hex bolts securing the barrel.

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    • Lift the barrel straight up and remove it.

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    • Use an angled pick to pull the washer and rubber ring 39 out of the barrel.

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    • Remove the rubber ring 39.

    • This can be replaced as part of a service kit.

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    • Lift the upper-most rubber ring straight up and remove it from the bolt holder.

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    • Lift the upper-most washer straight up and off of the bolt holder.

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    • Grasp the bolt holder, rubber ring 24, and the two metal sleeves below it, and lift it off of the cylinder.

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    • Separate the rubber ring 24 and the two metal sleeves from the bolt holder.

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    • Separate the rubber ring 24 from the two metal sleeves.

    • Remove the rubber ring 24.

    • This can be replaced as part of a service kit.

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    • Use an angled pick to lift the O-ring 35.5 out of its groove on the bolt holder.

    • Remove the O-ring 35.5.

    • This can be replaced as part of a service kit.

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    • Use a long punch, long flathead screwdriver, or a thin, long bar to push the bolt out of the bolt holder.

    • Remove the bolt.

    • During reassembly, make sure all the seals on the bolt stay seated properly while you slide the bolt back into the holder.

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    • Lift the cylinder straight out of the aluminum housing.

    • During reassembly, the cylinder will have to slide over the piston, which is sitting in the bottom of the aluminum housing. Make sure the piston is centered and pointing straight up so that it slides all the way into the cylinder.

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    • Pull the striker out of the cylinder.

    • You may need to shake the cylinder until the striker slides out of the bottom of the cylinder.

    • During reassembly, install the cylinder first, then push the striker in through the top, as seen in the second photo. Make sure the cylinder is seated all the way down into the housing before inserting the striker.

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    • Use a pick to pry the striker O-ring 31.5 out of its groove on the striker.

    • Remove the striker O-ring 31.5.

    • This can be replaced as part of a service kit.

Abschluss

To reassemble your device, follow these instructions in reverse order.

Tinte & Feder

Adam O'Camb

Mitglied seit: 11/04/15

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