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Serpent VIPER 990 1/8 ON ROAD SCALE Instruction Manual

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Summary of Contents for Serpent VIPER 990 1/8 ON ROAD SCALE

  • Page 2: Table Of Contents

    • REAR ASSEMBLY The exploded views and parts lists for the Serpent Viper 990 are presented in the Reference Guide section GEARBOX ASSEMBLY • in the back of this manual. The exploded views show all the 990 parts of a particular assembly step along FRONT I ASSEMBLY •...
  • Page 3 how to use the manual lines DESCRIpTION ICONS DESCRIpTION Each step contains a variety of numbers, lines, and symbols. The numbers represent the order in Each step contains a variety of symbols described below. which the parts should be assembled. The lines are described below. Step number;...

  • Page 4: Rear Assembly

    REaR assembly STEp 1 bag 1 M3x5 M3x5 M3x5 M3x5 M3x5...
  • Page 5 STEp 2 STEp 3 M4x10 M3x8 M3x6 REAR ANTIROLL BAR ROD LENGTH REAR ROLL CENTER INSERTS CHART M4x8 31.5mm M4x10 M3x6 M3x8 M4x8...
  • Page 6 STEp 4 STEp 5 bag 2 M3x8 M4x8 REAR ROLL CENTER INSERTS CHART M4x8 M4x8 M4x8 M3x8...
  • Page 7 STEp 6 STEp 7 REAR SOLID AXLE EXCENTERS M3x8 M3x10 Note that the rear solid axle excenters are not symmetrical and are market with L (=left) and R (=right). 2.5x22 LEFT RIGHT REAR BELT TENSION 12x18x4 Use the central slot as starting position 12x18x4 2.5x22 M3x8 M3x10 12x18x4...
  • Page 8 STEp 8 STEp 9 M3x8 5x8x2.5 M3x3 Do not tighten the M3x3 setscrews until step 10 M3x8 M3x3 M3x8 5x8x2.5...
  • Page 9 STEp 10 Fully tighten the M3x3 setscrews M3x10 after adjusting the rear antiroll bar play to the minimum. M3x3 REAR ANTIROLL BAR ASSEMBLY M3x3 M3x10 5x8x2.5...
  • Page 10 STEp 11 STEp 12 bag 3 11.1 12.1 REAR TOE-IN LINK LENGTH 5.5 mm 11.2 12.2 M3x6 M3x6...
  • Page 11 STEp 13 REAR REACTIVE STEERING SYSTEM Serpent 990 introduce the Active rear toe-in. It brings a new dimension to setup changing the toe-in characteristics of the rear tires under rolling effect. It allows to run less static toe-in and still have a good traction coming out of the corner.
  • Page 12 REAR UPPER WHSIBONE ANGLE Serpent introduces a new way to adjust the height of the upper pivot on the upright. By changing the excenter, it is possible to move the position up or down by 1.5mm as well as using a “neutral” position.
  • Page 13 STEp 15 bag 4 15.1 15.2 12x15x0.25 2.5x12 12x18x4 12x18x4 M3x4 3x22 15.3 1- Note orientation of the outside wheel axle shim. 2- Note position of the lever spring. M2.5x8 2.5x12 3x22 M3x4 M2.5x8 12x15x0.25 12x18x1 Conical 12x18x4...
  • Page 14 STEp 16 STEp 17 bag 5 17.1 M3x8 17.2 M4x6 M3x8 M4x6...
  • Page 15 STEp 18 18.2 18.3 18.1 M3x6 6x10x3 M3x10 Flanged After tightening the M3x10 screws check that the 6x10x3 brake pads slide easy over the bushings. Flanged M3x10 M3x6 M3x10 6X10X3 Flanged...

  • Page 16: Gearbox Assembly

    gearbox assembly STEp 19 bag 6 19.1 19.2 M4x4 M2.5x10 2.5x10 M2.5x10 M4x4 1- The M2.5x10 screws Note the correct default Note the correct gearbox adjust the SHIFT POINT. As M2.5x10 screws adjusting assembly default adjustment screw point. M4x6 them untill the screws will be be leveled with the hole as in the right pictures.
  • Page 17 STEp 20 20.1 20.2 M5x4 8x16x5 8x16x5 M4x4 M5x4 8x16x5...
  • Page 18 STEp 21 21.3 21.1 M2.5x6 21.2 8x14x4 Flanged 8x14x4 Flanged M3x6 8x11x0.2 M2.5x6 M3x6 8x11x0.2 8x14x4 Flanged...

  • Page 19: Front I Assembly

    front assembly STEp 22 STEp 23 bag 7 23.1 M2.5x6 23.2 12x18x4 M4x8 12x18x4 M4x8 M4x8 M2.5x6 12x18x4...
  • Page 20 STEp 24 STEp 25 FRONT BELT TENSION Use the central slot as starting position. Nylock nut M3x10 M3x10 M3x12 M3x8 3X7X3 M3x10 M3x10 M3x8 Nylock Nut M3 3x7x3 M3x12...
  • Page 21 STEp 26 26.1 8x14x4 Flanged 8x14x4 Flanged 26.2 M4x6 M4x6 8x14x4 Flanged...
  • Page 22 STEp 27 bag 8 27.1 27.2 FRONT LOWER SUSPENSION AND SHOCK BRACKETS Serpent 990 allows to move front bottom arms 3 mm in (NARROW) and out (WIDE). To maintain the same shock angle, use the suspension bracket and shock bracket as shown here. NARROW WIDE M4x12...
  • Page 23 STEp 28 28.1 28.3 FRONT ANTI-ROLL BAR ASSEMBLY FRONT DOWN M3x12 M3x3 STOPS M3x6 1 mm 28.2 M3x3 5x8x2.5 M3x3 M3x3 M3x6 M3x12 5x8x2.5...
  • Page 24 STEp 29 bag 9 M4x4 M4x4 M4x8 M4x8 M4x4 M4x8...
  • Page 25 STEp 30 STEp 31 30.1 30.2 31.2 31.1 6x10x3 M3x8 M3x6 STEERING LINK LENGTH M3x6 8.5 mm 6x10x3 M3x5 Nylock nut SERVOSAVER ACKERMANN INSERTS REARWARD FORWARD Preload the servo- saver-spring 1mm. 1 mm M4x12 M3x5 M3x6 M3x8 Nylock Nut M3 M4x12 6x10x3...

  • Page 26: Radio Assembly

    radio assembly STEp 32 STEp 33 bag 10 M3x6 M3x8 M3x6 3x7x3 M3x6 M3x12 RADIO BOX ASSEMBLY The small servo mountings have a fixing protrusion which is excentric. M3x5 Therefore it is possible to assemble them in two different ways in order to adapt the servo mountings to the different servo brands.
  • Page 27 STEp 34 STEp 35 M3x10 M2.2x6 Use the 1mm and 2mm spacers to ensure both servos are at the right of the reference M3x10 line which starts on the carbon plate. Reference line Note the o-ring position Note the servo’s wire diagram M2.2x6 M3x10...
  • Page 28 STEp 36 STEp 37 36.1 36.2 M2x10 5x8x2.5 Flanged M3x5 M3x6 M3x6 M2x10 M3x5 5X8X2.5 Flanged...
  • Page 29 STEp 38 STEp 39 39.1 Check how many teeth your servo spline has (23, 24 or 25) and use the right lever. THROTTLE LINK LENGTH M3x10 39.2 Note correct pivot ball type. M3x6 Note orientation of the throttle servo lever. M3x10 M3x6...
  • Page 30 STEp 40 STEp 41 Check how many teeth your servo spline has (23, 24 or 25) and use the right lever. Note correct pivot ball type. M3x5 Note the correct position Note orientation of the of the grommet. M3x8 steering servo lever. M3x5 M3x8...
  • Page 31 STEp 42 STEp 43 bag 11 Note that middle screw is countersunk and the M3x8 other two screws are round head. M3x8 M3x8 3x6x2 3x6x2 M3x10 M3x14 3x6x2 3x6x2 M3x14 M3x8 M3x8 M3x10...
  • Page 32 STEp 44 STEp 45 44.1 M3x6 M3x6 M3x8 M3x8 M3x6 Use tape to mount the battery to the plastic support. M3x6 M3x10 44.2 Use these spacers depending on the type of battery. M3x10 M3x6 M3x8...

  • Page 33: Front Ii Assembly

    fRONT aSEmBly II STEp 46 STEp 47 bag 12 Note that the 4x6x1 and M3x12 M4x4 4x6x0.5 shims must be used always. In order to rise or M3x10 lower the front suspension 4x6x1 bracket it is needed to play with the position of the shims but never remove them.
  • Page 34 STEp 48 STEp 49 3x6x1 M3x8 M3x8 M3x10 FRONT CAMBER ACKERMANN AND TRACK WIDTH POSITION 1.6 mm 3 mm M3x8 3x6x1 M3x10...
  • Page 35 STEp 50 50.1 50.2 STEERING TRACKROD LENGTH 41.5 mm...
  • Page 36 STEp 51 bag 13 51.1 12x18x4 Note position of the 12x18x4 lever spring. 12x15x0.25 12x18x0.3 5 pcs 2.5x12 STEERING BLOCK INSERTS CHART 3x20 M3x4 51.2 TRAILING LEADING BOTTOM M2.5x8 M3x4 3x20 2.5x12 M2.5x8 12x15x0.25 12x18x0.3 12x18x4...

  • Page 37: Shocks Assembly

    SHOCKS aSSEmBly STEp 52 STEp 53 shocks bag 52.1 52.2 53.1 Use some silicone oil during the assembly. REAR Insert the o-ring inside the spring Nut M2.5 collar. For the correct piston FRONT holes please check the default setupsheet. Use the shorter shock shaft in the front and the longer one in the rear shock absorber.
  • Page 38 STEp 54 STEp 55 54.1 54.3 Push the shock top and 1-Bleed: push shockrod all the way the membrane into the shock cap. in slowly, to allow Assemble the spring and spring- excessive oil to escape. cup (align correctly) to complete the shock.
  • Page 39 STEp 56 STEp 57 bag 14 M3x6 Nylock nut M4 M3x8 M4x12 FRONT SHOCKS DEFAULT POSITION M4x8 Nylock Nut M3x6 M3x8 M4x8 M4x12...
  • Page 40 STEp 58 STEp 59 Do not overtighten Do not overtighten the M3x10 M3x6 Flanged screws. screws to prevent binding. M3x10 M3x10 M3x10 M3x10 M3x6 M3x6 M3x10 REAR BODY MOUNT GUIDE M3x6 Flanged M3x6 M3x6 M3x10 M3x6 M3x10 Flanged...
  • Page 41 STEp 60 M3x4 REAR SHOCKS AND BODYMOUNT DEFAULT POSITION M3x4 M3x6 M3x4 M3x6...

  • Page 42: Clutch Assembly

    clutch assembly STEp 61 STEp 62 clutch bag 61.1 62.1 1- To align the clutchgears with the 2-speed gears, it may be needed to use shim(s) 6x8x0.5mm (for 6mm shaft) or 7x8x0.5 (for 7mm shaft) behind the cone. This you can see only after assembling the clutch.
  • Page 43 STEp 63 STEp 64 63.1 64.1 Disassemble the clucth bell. IMPORTANT! Install thrust 63.2 SETTING THE CLUTCH GAP bearing plates as shown. Assemble without bearings M3x16 5.2 mm 5.0 mm 64.2 SETTING THE CLUTCH END PLAY M3x16 63.2 Clutch gap is calculated taking A and B measurements showed below. Place 5x8x0.1 and/or 5x8x0.3 shims GAP = B - A.

  • Page 44: Final Assembly

    final assembly STEp 65 bag 15 65.1 65.2 M3x14 M3x14 M4x10 Flanged M3x14 M4X10 Flanged...
  • Page 45 STEp 66 5x8x2.5 Flanged 5x8x2.5 M4x6 M3x6 M3x16 M4x6 M3x6 M3x16 5x8x2.5 5X8X2.5 Flanged...
  • Page 46 STEp 67...
  • Page 47 STEp 68 68.1 68.2 STIFFENER LENGTH 13.5 mm 3x6x3 M3x8 M3x6 M3x6 3x6x3 M3x6 M3x8...
  • Page 48 STEp 69 69.1 69.3 Disassemble the plastic brake lever. M3x6 M3x3 M3x6 M3x3 69.2 Pass the brake linkage through the plastic brake lever. M3x3...
  • Page 49 STEp 70 Wheels and tyres are NOT included...

  • Page 50: Exploded Views

    53 rear exploded view front 1 exploded view radio 1 exploded view radio 2 exploded view front 2 exploded view Bumper and bodymount exploded view final exploded view team serpent network...
  • Page 51 clutch and gearbox exploded view #903810 Lightweigt 2-speed shaft set S989 110199 903729 903401 903399 6582 1394 903400 110432 1394 903796 opt 909520 opt 903647 110122 6503 903731 903812 903813 903811 110423 6587N 6584 110213 903636X opt 903717 903239 opt 903637X opt 903732 opt 909512 opt...
  • Page 52 shocks exploded view 903741 Shockset XLV short (2) 903720 160139 903742 Shockset XLV long (2) 903744 909405 903788 opt 160146 160141 160320 opt 160321 opt 160322 opt 160323 opt 160324 160325 opt 160326 opt 6442 160327 opt 160140 160328 opt 160147 opt 160329 opt 160138...
  • Page 53 rr uprights and fr stb. exploded view 808346 903826 803198 110112 804332 903523 808346 903693 903828 803198 110207 110108 110433 1652 902282 110136 110449 903290 903786 903269 903512 opt 903398 110205 903581 opt 110504 903392 opt 110124 903827 808346 110504 803198 902271 903831...
  • Page 54 REaR EXplODED VIEW 110124 903735 110124 110109 903690 903688 opt 903689 opt 903739 903707 opt 110116 903341 110142 903509 903825 903803 opt 500151 903595 opt 110504 804463 110206 903722 110109 110504 110305 903687 804463 903509 903803 opt 903691 903546 110124 903760 opt 110124 903666...
  • Page 55 front 1 exploded view 110112 110116 110108 110112 110108 110116 903691 903341 903343 1311 903557 110116 903681 903584 opt 110109 903585 opt 903341 110306 903755 903513 903754 903829 903721 110112 110109 110453 1394 110402 903794 9212 1394 903651 opt 903505 903509 110124 110306...
  • Page 56 radio 1 exploded view 110302 903530 1606 903530 1312 110149 903588 opt 903530 110128 1312 110137 902170 1650 903821 110453 1070 110104 110108 903820 110156 401025 903818 110108 110157 903565 110122 110128 903821 903560 110112 903791 opt 903231 903792 opt 903793 opt 110109 903822...
  • Page 57 RaDIO 2 EXplODED VIEW 903757 1602 110464 902116 1070 902115 110109 110464 903776 110124 903776 110104 903774 110124 903819 110109 903776 600116 600116 903559 600116 110178...
  • Page 58 front 2 exploded view 902157 110122 110122 110104 903784 903740 401025 903823 1321 903790 411207 902134 903589 opt 110118 902138 903568 110124 411207 110118 903568 110108 903589 opt 903568 903231 110157 902128 110402 902139 411206 902135 110118 110112 1321 903508 110109 110459 903782...
  • Page 59 Bumper and bodymount exploded view 903502 110403 903706 903845 opt 903379 903538 903663 opt 903724 opt 903741 110115 1650 903521 903719 903849 opt 903536 110108 110109 110124 110172 903718 110137 903537 110113 909345 110109 903619 909345 110109 1650 903835 903741 110108 110108 110105...
  • Page 60 fINal EXplODED VIEW 1494 110178 110132 110178 903723 903834 1311 1312 901255 110108 903231 110119 903692 903692 903299 903535 804399 901255 1639 804181 902138 411206 1639 903549 401125 110417 110124 903748 110108 110169 903852 Double belt tensioner set S990...
  • Page 61 Notes: ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- -------------------------------------------------------------------------------...

  • Page 62: Team Serpent Network

    TEam SERpENT NETWORK 990 SPARE PARTS 990 OPTIONALS PARTS SERPENT TOOLS SERPENT MERCHANDISING...
  • Page 63 SERPENT WEBSITE AND BLOG www.serpent.com www.teamserpent.com www.dragon-rc.com SERPENT PROMO PAGES http://promo.serpent.com SERPENT SOCIAL MEDIA www.facebook.com/SerpentMRC...
  • Page 64 Manual Viper 990 # 57677-2...

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