background image

Summary of Contents for Double-XT

Page 1: ...uction tur 1 5 lips and techniques outlined in this manual Being able to grasp the overall design ofyour Doubh XT racuig truck before construction will ensure a smooth assembly Take your time and pay...

Page 2: ...fferent bags marked A through H Each bag contains all of the parts nec essary to complete a particularsection ofthe Oouble XT truck Some of these bags have s ubassembly bags within them It is essentia...

Page 3: ...drive ratio 2 61 by the external drive ratio 4 4 For example 2 61 x 4 4 11 484 This tells you that by using a 20 tooth pinion and a 88 tooth spur gear the final drive ratio is 11 484 1 Consult your h...

Page 4: ...hrough both the bulkhead 1 and stiffener 5 Use the shortest 1 8 hinge pin without a groove in the center NOTE The hinge pin fit is tight Lightly tap the hinge pin through both parts until it is center...

Page 5: ...spindle 15 16 Qep B AUaeh t 1 a rlgtitspindle 16 to one ofthe spindle carriers 17 by aligning the holes in each and inserting a 3 32 x 1 050 hinge pin 18 through the spindle carrier 17 spindle 16 and...

Page 6: ...p 19 to both sides of the hinge pin 18 8 IMPORTANT NOTE There are two sizes of E clips in this assembly bag Be sure to use the small E clips on the 3 32 pins Step 13 Attach the arm 24 to the right sid...

Page 7: ...Fig 8 Step 18 Place a foam thing 29 over each of the ball studs on the spindle carriers 17 and the shock tower 9 Next attach one side of the camber link assembly to the ball stud on the shock tower 9...

Page 8: ...ustment Once assembly is complete ifyou wish the servo saver can be adjusted tighter or looser Fig 10 Step 5 Insert a 4 40 mini lock nut 21 into each of the two hex areas in the servo saver bottom 30...

Page 9: ...g idler arm 36 and position it as shown in fig 13A Place the servo saver assembly and the steering idler arm 36 into the bushings 40 in the chassis 2 so that the installed drag link is in the front St...

Page 10: ...since much of the front end is built around the servo and minordisassembly will be required to install it later e IMPORTANT NOTE If the servo mounting instruc tions are not followed carefully your ser...

Page 11: ...smitter are set to the middle With the radio system still turned on at tach the servo arm 43 so that it points straight up away from the ears that were trimmed off Secure the arm 43 with the servo arm...

Page 12: ...nrm Fig 18 Step 22 Place the servo with servo mounting posts 44 attached into the chassis 2 Align the pins in the mount ing posts 44 with the holes in the chassis 2 Mount the chassis brace 46 on top o...

Page 13: ...n the servo arm 43 and the other to the ball stud 22 in the servo saver Fig 198 Figure 19 Figure 19B Olln nAMam uu Fig 20 Step 25 Rotate the front end back until the front chas sis stiffener 5 can be...

Page 14: ...lHI I IIIO Step 2 Insert two 4 40 x 7 8 cap head screws 10 through the third hole in on each side of the rear shock tower 52 as shown Thread the top shock mount bushings 11 onto the two screws 1 O and...

Page 15: ...washer 48 over each of the two 4 40 x 3 8 cap head screws 12 and partially thread them through the two ears in the top of the bulkhead 53 into the chassis 2 Now tighten all four screws starting with...

Page 16: ...e rear axle 58 RJ The pin can be made to press in tighter This will ensure that it stays firmly in place To do so SLIGHTLY crimp the center of the pin with heavy duty wire cutters When in serting the...

Page 17: ...axle gearbox spacer 64 over each rear axle 58 against the outside bearing 61 Step 17 Secure the rear axle 58 and the spacer 64 by inserting a 1 16 x 7 16 pin 65 through the small hole in each of the...

Page 18: ...right side of the rear pivot support 50 Line up the holes in the arm 67 with the holes in the pivot support 50 and attach them by inserting an inner rear hinge pin 69 from the rear all of the way thro...

Page 19: ...ide first so that it rests against the beveled washers 72 Fig 33 Step 5 Insert all of the parts that are stacked on the wrench into one of the outdrive diff halves 74 Line up the tabs on the diff nut...

Page 20: ...eJMPORTANT NOTE It is a good idea to hold the diff nut carrier in place so the diff tube is not pushed through when the gear is pushed over it 0 Fig 37 Step 10 Insert a 5mm x 8mm bearing 77 into the...

Page 21: ...w 81 with the thrust bearing assembly installed into the outdrive 74 Be very careful not to bend or pinch the shim 80 while in serting the diff screw 81 Pull the threaded end of the diff screw 81 unti...

Page 22: ...he diff again Continue this until the diff is tight This will ensure proper seating of all the parts in the diff assembly Step 21 Tighten the diff until the gear 78 can not be turned while both of the...

Page 23: ...terial used on these parts was selected with performance in mind and some motor sprays can damage the parts D Flg44 Step 29 Insert a 3 16 x 3 8 bearing 61 into the top bearing seat of the right gearbo...

Page 24: ...e outdrive shield is not pushed through the other side ll imllllllllllllltmnHnulltlnml l Fig 46 Step 36 Carefully place the left gearbox half 91 over the assembled right gearbox half 94 Note Again be...

Page 25: ...off the tip of the Hydra fluid 104 bottle e IMPORTANT NOTE Do not cut more than 3 16 If the hole in the bottle is too small open it up with a pin or hobby knife Cutting too much from the tip will leav...

Page 26: ...n the inside housing 102 Be sure that the 0 ring 107 from step 8 stays in place Step 10 Secure the assembly with eight 2 56 x 5 16 button head screws 4 Fig 50 Step 11 Lay the Hydra Drive assembly on y...

Page 27: ...ul to keep the slipper pad 112 aligned with the gear plate 113 Step 19 Place the assembled Hydra Drive unit over the end of the shaft 86 interlock side first Carefully line up the splines on the gear...

Page 28: ...6 thrust washer 114 into the spring cup 119 then the 1 4 x 9 16 thrust bearing 115 followed by the second thrust washer 114 These should all sit in the cup 119 Step 27 Slide the slipper spacer 120 lon...

Page 29: ...mission housing and into the rear bulkhead 53 Do not tighten the screws all the way yet Leave the screw head about 1 16 above the transmission housing Step 34 Hold the rear arms 66 67 up so that the d...

Page 30: ...e the second 0 ring 122 is inserted and is flush with the top of the cartridge body 123 snap the cartridge cap 125 onto the cartridge body 123 Step 4 Make four cartridge assemblies Note Cartridges in...

Page 31: ...as described in step 6 Step 10 Carefully snap a 1 4 swivel ball 131 into each ofthe shock ends 129 on the four shock shafts 127 128 Fig 58 Step 11 Snap a 1 8 E clip 7 into the groove closest to the ca...

Page 32: ...l1 8 turn There should be no air in the shock as you push the shaft 127 128 in and out If there is the shock needs more oil lfthe shock does not compress all the way the shock has too much oil Note If...

Page 33: ...op of the shock make sure that the dog bone is in place in the outdrive Step 27 Repeatsteps 24 26 forthe second rearshock Fig 62 Qe n1 8 Step 28 Insert the shock end 129 ofa front shock into the shock...

Page 34: ...the bottle e IMPORTANT NOTE Allow the glue to dry thoroughly before continuing Step 5 Attach the front wheel discs 142 to the outside of the front wheels 140 and line up the holes in the disc 142 wit...

Page 35: ...nd secure it with two 4 40 x 1 8 button head screws 147 through the two holes in the motor plate 99 Step 5 Insert gear cover plug 148 into the large hole in the gear cover 146 Fig 65 Step 6 Place the...

Page 36: ...of the post and up through the top of the post Step 12 Slide the antenna wire through the antenna tube 152 a small drop ofoil in the tube will make this easier so that the wire comes out the other end...

Page 37: ...and antenna tube holes Step 21 Install the body 157 onto the rolling chassis and secure it with body clips 158 through the posts on the rear shock tower 52 and through the posts on the front body mou...

Page 38: ...e oversteer out of a corner The angle of the entire front suspension in relationship to the rest of the chas sis A camber angle in which the top of the tire is closer to the center of the truck than t...

Page 39: ...diff for smooth free operation Once your diff has been adjusted by hand place your truck on a carpeted area With a fully charged battery give the truck full throttle from a stop The diff should not sl...

Page 40: ...hassis just touches the gauge FRONT SHOCK LOCATION The front shock mounting location can be changed by simply moving to another hole in the tower The location in the manual has proven to be the best a...

Page 41: ...Inner XXT 26 Front hinge pin brace A 1102 XXT Front Inner Hinge Pin Bulkhead Brace 27 Plastic rod end A 6005 H D 30 Plastic Rod Ends 16 28 2 1 2 turnbuckle A 6040 Adjustable LJR Rod Set w Ends 2 5 2 2...

Page 42: ...Trans Diff Screw Hdwe Seal Set 82 Foam thrust bearing seal A 3078 XX Retro Trans Diff Screw Hdwe Seal Set 83 3mm x 8mm thrust bearing washer A 3071 XX Retro Trans Thrust Bearing Assy 84 3mm x 8mm thr...

Page 43: ...Clamp Cups H Arm 2 130 Shock spacers A 5015 Double O Ring Shock Cartridge Front Rear 131 1 4 swivel ball A 2006 Swivel Suspension Balls 250 8 132 Shock piston A 5046 Teflon Shock Pistons 56 Red 4 133...

Reviews: