Team Losi BK2 User Manual Download

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Take your time and pay close attention to detail. Keep this manual for future reference.

Team Losi, A Division of Horizon Hobby inc.,

4710 East Guasti Rd., Ontario CA 91761

Phone: (909) 390-9595 / Fax: (909) 390-5356

(web) www.TeamLosi.com / (email) [email protected]

BK2 OWNER'S MANUAL

1/10 Scale 2wd Electric Off-Road Racing Buggy

P/N - 800-0214

J.A.C. - M.D.B.

11/01/2003

MADE IN THE UNITED STATES OF AMERICA

Carefully read through all instructions to familiarize yourself with the parts, construction

technique, and tuning tips outlined in this manual. Being able to grasp the overall design of

your new

XXX-BK2

racing buggy before begining the construction process will ensure a

smooth assembly.

Summary of Contents for BK2

Page 1: ...TeamLosi com BK2 OWNER S MANUAL 1 10 Scale 2wd Electric Off Road Racing Buggy P N 800 0214 J A C M D B 11 01 2003 MADE IN THE UNITED STATES OF AMERICA Carefully read through all instructions to famil...

Page 2: ...When all else fails read the instructions For the latest setup tips and information on your new XXX BK2 visit Team Losi on the Internet at www TeamLosi com...

Page 3: ...e helmet will always face with a driver s perspective Any ref erence to the right or left side will relate to the direction of the helmet KIT MANUALORGANIZATION The kit is composed of different bags m...

Page 4: ...ear that is used will determine the final drive ratio To calculate the final drive ratio first divide the spur gear size by the pinion gear size For example if you are using a 21 tooth pinion gear you...

Page 5: ...x area in the Servo Saver Bottom 1 and steering IdlerArm 8 as shown in Figure 2 Thread a 3 16 Ball Stud 11 through the outside hole in each arm into the Nuts and tighten Insert a 4 40 Mini Locknut int...

Page 6: ...ll a Threaded Insert 18 into the top of each of the two forward holes in the main Chassis 19 The inserts should be in stalled with the hex side up as shown in Figure 5 Press the Threaded Inserts all t...

Page 7: ...o the Bulkhead q 1 Insert two 4 40 x 3 4 Cap Head Screws 89 one on each side through center holes in the top of the Front Shock Tower 24 Secure the Screws to the Shock Tower by threading a 4 40 Nut 25...

Page 8: ...The thread lock compound that is on the Screws takes 24 hours to cure q 1 Attach the left Spindle 28 to the left Spindle Carrier 33 by aligning the holes in each part and inserting a 3 32 x 1 050 Hing...

Page 9: ...right Spindle and Carrier assembly and remaining front suspension Arm q 5 Slide the front Hinge Pin Brace 42 over both front inner Hinge Pins The E clip grooves in both Hinge Pins should be exposed i...

Page 10: ...e front Pivot Block and the Hinge Pin Brace 42 q 2 While holding the front suspension assembly in place position the front Bumper 43 on the bottom of the front Pivot Block so that the four holes in th...

Page 11: ...lastic Rod End 45 onto each End of a 1 7 8 Turnbuckle 72 Tighten both Rod Ends equally until the Rod is the same length as the Rod in Figure 17B Make two of these Tierod assemblies NOTE Assure that th...

Page 12: ...Step C 2 Figure 20 q 1 Thread a silver colored Ball Stud 22 into the inside hole of the left rear Hub 66 from the front the side without the recessed area and secure it with a 4 40 Mini Nut 7 as show...

Page 13: ...for when to use more or less of these Place one Anti Squat Shim between the plastic rear Pivot and the rear Pivot Plate making sure the flat edge is towards the outside and tighten the two Screws IMP...

Page 14: ...Mount to the right side of the Shock Tower in the same manner IMPORTANT NOTE The Wing Mounts should extend from the Shock Tower in the opposite direction of the Screws in the top of the Tower as show...

Page 15: ...ods once installed to be adjusted without removing them q 1 Thread a plastic Rod End 45 onto each end of the 1 5 8 Turnbuckles 46 Tighten both Rod Ends equally until the Rod End is the same length as...

Page 16: ...at it is flat to the bottom of the pocket Leave the Allen Wrench in place to hold the Diff Nut in the Outdrive while continuing assembly q 1 Apply a small amount of Diff Grease clear 78 to the outside...

Page 17: ...There is a second set of eight 5 64 Balls packaged with Thrust Washers in the bag These Balls will be used in Step D 6 Figure 31 Diff Gear Diff Gear to Male Outdrive Figure 30 q 1 Apply a small bead o...

Page 18: ...stretch the two blue foam Thrust Bearing Seals 85 into the groves on the head of the Diff Screw q 2 Place one of the Belleville Washers 75 onto the DiffAdjusting Screw with the cone pointing toward t...

Page 19: ...utdrive Diff Half Then tighten the Diff a little more and work the diff again Continue this until the Diff is tight This will ensure proper seating of all the parts in the Diff assembly q 5 Tighten th...

Page 20: ...q 2 Rotate the Motor Plate so that the Screw holes in the Motor Plate line up with the Screw holes in the Gearbox Half Secure the Motor Plate to the Gearbox Half by threading a 4 40 x 1 2 Cap Head Scr...

Page 21: ...l make for easier adjustment later q 4 Insert the DiffAssembly into the 1 2 x 3 4 Sealed Bearing 95 in the right Gearbox Half with the Diff Nut 73 side first NOTE Align the teeth on all Gears when ins...

Page 22: ...e notches on the Slipper Pad q 5 Place the second Slipper Backing Plate over the Top Shaft so that the large flat surface of the Backing Plate rests against the Slipper Pad q 6 Place the Slipper Space...

Page 23: ...pension Arms 50 51 and Chassis 19 are laying flat on the table This will make installing the Gearbox a little easier q 2 Insert the ball end of the CVD Dogbones 59 into each of the Outdrive Diff Halve...

Page 24: ...rtridge Body 114 making sure that the O ring sits flat in the bottom of the Cartridge Body q 2 Insert the Cartridge Spacer 115 into the Cartridge Body fol lowed by a second O ring q 3 Once the second...

Page 25: ...ck Shaft q 2 Repeat Step 1 for the second front Shaft and two rear Shafts q 3 Carefully snap a 1 4 Shock Mount Ball 122 into each of the Shock Ends on each of the Shafts 21 q 1 Place a 0 050 Shock Spa...

Page 26: ...E 5 Step E 7 Figure 47 Figure 49 q 1 Snap a Shock Spring Cup 128 with the small side down onto each of the four Shock Shafts 118 119 and over the Shock End 120 q 2 Slide an Orange front short Shock Sp...

Page 27: ...Shock mounting holes in the front of the Arms are accessible Make sure that the CVD Dogbones 59 stay in the Outdrives Diff halves 77 83 q 2 Position the bottom of an assembled rear Shock in front of t...

Page 28: ...A 7884 off road Tire Gluing kit is also available to get the job done right It includes a bottle of glue an applicator tube and a ten rubber bands The rubber bands will be used to properly seat and ho...

Page 29: ...s 143 through the three tapped holes in the Motor Plate q 5 Install the Gear Cover Plug 144 into the large hole in the Gear Cover 25 Step G 1 Figure 54A q 1 Using Table 55B on the following page deter...

Page 30: ...ntinued 26 Step G 3 Table 55B Figure 56 58 Table 55A Servo Mounting Post Install q 1 Use Tables 55A and 55B to determine how the Servo Mount ing Posts 146 should be attached to the Servo not included...

Page 31: ...from the car While holding the Brace in place tighten the top two Screws 21 followed by the bottom two Screws Holding the brace in place will help keep the Posts from moving while tightening the Scre...

Page 32: ...in one of two ways The different offset will accommodate different styles of batteries If you will be running matched type cells or individual cells laid out side by side the Foam Strip should be att...

Page 33: ...d cut off enough of the Tube so that the wire will extend about 3 4 past the end of the Tube q 6 While pulling the wire through the Antenna Tube slide the Antenna Tube down and push it firmly into the...

Page 34: ...DWINGPAINTING Prepare the Lexan Body and Wing for painting by washing them thoroughly inside and out with warm water and liquid detergent Dry both the Body and Wing with a clean soft cloth Use the Win...

Page 35: ...ou are not touch ing the steering wheel stick If the servo was installed correctly as per Tables 55A and 55B the wheels should turn equally to the left and right If this is not the case refer to Table...

Page 36: ...ute for a spring rate If your car needs a softer or firmer spring change the spring Do not think that simply moving the shock nuts will change the stiffness of the spring it will not Rear Hub Camber L...

Page 37: ...ost commonly used adjustments of the XXX BK2 As per assembly instructions there is 1 degree of antisquat Adding the additional shims under the front of the block will result in 2 degrees This will res...

Page 38: ...6300 4 40 Hex Nuts 10 26 3 8 BALL STUD A 6000 Ball Studs w Rod Ends 4 40 x 3 8 4 27 SEALED BEARING 3 16 x 3 8 A 6903 3 16 x 3 8 Teflon Sealed Bearings 2 28 SPINDLE LEFT A 1122 Front Spindles Carriers...

Page 39: ...ING WASHER A 3099 Full Compliment Thrust Bearing Set 87 WHITE THRUST ASSEMBLY GREASE A 3066 Assembly Grease 88 5 64 THRUS BEARING BALLS A 3099 Full Compliment Thrust Bearing Set 89 4 40 x 3 4 CAP HEAD...

Page 40: ...OAM TIRE LINER A 7398 Buggy Rear Foam Liners Firm 140 8 32 LOCKNUT A 6310 8 32 Alum Locknuts 6 141 3mm x 8mm CAP HEAD SCREW A 6201 3mm x 8mm Cap Head w Washers 10 142 GEAR COVER A 2943 Gear Cover with...

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