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Tips

•Makesurealltheinternalscrewsareverysecure,astheywillbehardtoretightenlater.•The7/64",5/64"and3/32"hexkeyswillbeneededtobuildthismodel.•Usethe7/64"hexkeyforthesescrewsthroughoutthemodel.•Ensurethattheteethofthenutfacetheheadofthescrew.

Parts NeededStep 1

1x96mmChannel 1x160mmChannel 3x1/2"SHCS 3xKepNut

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Tips

Arm and Gripper Building Guide

•Ensurethatallscrewsaretightlysecuredatthispoint,astheywillnotbeeasilyaccessiblelater.•Reminder:Ensurethattheteethofthenutfacetheheadofthescrew.

Parts NeededStep 2

1xSingle-ServoMotorBracket

1xGearHubSpacer

3xKepNut 3x1.5"SHCS

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Tip

Arm and Gripper Building Guide

•Ensurethattheteethofthenutsarefacingthegear.

Parts NeededStep 3

1x40-ToothGear

1xServoHorn 4x1/2"SHCS 4xKepNut

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Tips

Arm and Gripper Building Guide

•UsethePhillipsheadonthe4-in-1screwdrivertotightentheservoscrew.Thiswillkeeptheservohornattachedtotheservomotor.

•Usethe5/64"hexkeyfortheBHCS.

Parts NeededStep 4

1x180°ServoMotor 4x3/8"BHCS 4xKepNut 1xServoScrew

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Tip

Arm and Gripper Building Guide

•The3/32"hexkeyisusedontheaxlehubs.

Parts NeededStep 5

1x80-ToothGear

1x100mmAxle 2xAxleHub 6x1/2"SHCS3xBronzeBushing

2x1/8”AxleSpacer

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Tip

Arm and Gripper Building Guide

•Reminder:Ensurethattheteethofthenutfacetheheadofthescrew.

Parts NeededStep 6

2x1"Stand-OffPost2xFlatBracket 1xLBracket 5x5/16"SHCS 1xKepNut

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Tip

Arm and Gripper Building Guide

•Reminder:Ensurethattheteethofthenutfacetheheadofthescrew.

Parts NeededStep 7

2x1/2"SHCS 2xKepNut

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Arm and Gripper Building Guide

Parts NeededStep 8

1xLBracket 1xServoHorn 3x5/16"SHCS 3xKepNut

Tip

•Reminder:Ensurethattheteethofthenutfacetheheadofthescrew.

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Parts NeededStep 9

2x1"Stand-OffPost 2x5/16"SHCS

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Arm and Gripper Building Guide

Parts NeededStep 10

1xFlatBracket1xSingle-ServoMotorBracket

1x2"Stand-OffPost 4x5/16"SHCS 3xKepNut

Tip

•Reminder:Ensurethattheteethofthenutfacetheheadofthescrew.

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Arm and Gripper Building Guide

Parts NeededStep 11

Tip

•UsethePhillipsheadonthe4-in-1screwdrivertotightentheservoscrew.Thiswillkeeptheservohornattachedtotheservomotor.

4x3/8"BHCS 4xKepNut 1xServoScrew1x180°ServoMotor

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Parts NeededStep 12

2x5/16"SHCS

Tip

•Tokeepthearmorientedproperly,tightenthescrewsbitbybit,alternatingbetweenthem.

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Parts NeededStep 13

1xTETRIX®HardPointConnector

1x7-ModuleBeam

4x3-ModuleConnectorPegwithFriction

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Arm and Gripper Building Guide

Parts NeededStep 14

2x5-ModuleBeam2x3-ModuleConnectorPegwithFriction

1xNXTTouchSensor

1x20-ToothGear

1x2-ModuleAxle

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Tip

Arm and Gripper Building Guide

•TurnthescrewsonlyuntilthehardpointconnectorissecurelyattachedtotheTETRIX®channel.

Parts NeededStep 15

2x5/16"SHCS 2xKepNut

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Arm and Gripper Building Guide

Parts NeededStep 16

2xKepNut2x1/2"SHCS

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Arm and Gripper Building Guide

Final View

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Arm and Gripper Building Guide

Servo Horn AdjustmentNote: Wheneveraservomotorisusedtoattachanextension,caremustbetakentoproperlyadjusttheservomotorpositionso

thatthedesiredrangeofmotionisachieved.Thebestwaytoadjusttheservopositionistounscrewtheservohornanduseit,andtheextensionthathasbeenbuiltontoit,likeawrench.

Step 1 Starting Point:

Attachtheservohorntoadjusttheservoposition.

Step 2 Rotate:

Rotatetheservosothatithasbeenpositionedattheendofitsrangeofmotion.

Step 3 Final Positioning:

Reattachtheservohornwiththeextensionpieceintheappropriatepositionforthatservolocation.

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Wiring Diagram

Tips

•TightenthescrewsontheHiTechniccontrollerafterthewireshavebeeninserted.Completeallwiringbeforeattachingthebattery.

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