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Schumacher CAT L1 R PURE BEAST Instruction Manual
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Schumacher CAT L1 R PURE BEAST Instruction Manual

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S1651
Instruction Manual
ISS01
71-73 Tenter Road
Moulton Park
Northampton
NN3 6AX
www.racing-cars.com

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Summary of Contents for Schumacher CAT L1 R PURE BEAST

  • Page 1 S1651 Instruction Manual ISS01 71-73 Tenter Road Moulton Park Northampton NN3 6AX www.racing-cars.com...
  • Page 2 IMPORTANT SAFETY NOTES We strongly recommend that anyone driving RC cars, or organising events, should obtain third party liability insurance. In the UK this can be done by joining the BRCA. www.brca.org This product is not suitable for children under the age of 14, without the direct supervision of a responsible adult. Select an area for assembly that is away from the reach of small children.
  • Page 3 Build two identical front shocks. BAG A - Step 01 Remove parts cleanly from sprue. File parts if necessary. 7.0x 1.0 Black ‘O’ Ring Ensure ‘C’ is not a tight fit in shock body. Red ‘O’ Ring NOTE location of ‘O’ Ring Big Bore Shock Bush These parts can be found on the white shock sprue,...
  • Page 4 Build two identical rear shocks. BAG A - Step 04 Remove parts cleanly from sprue. 7.0x 1.0 Black ‘O’ Ring File parts if necessary. Ensure ‘C’ is not a tight fit in shock body. Red ‘O’ Ring RACE TIP NOTE location For top performance of ‘O’...
  • Page 5 M2.5x 8 Cap Hd Screw BAG A - Step 07 Use to pre-tap the 4 holes in the diff body. Ensure good alignment. Front Diff (Silver Outputs) Ø5 x Ø7 x 0.1mm Shim Ø4 x Ø13 x 0.1mm Shim Ø1.5 x 7.8 Pin RACE TIP Use shims Ø4 x Ø13 x 0.5mm Shim...

  • Page 6: Table Of Contents

    x1 (From step 7) M2.5x 8 Cap Hd Screw BAG A - Step 10 Use to pre-tap the 4 holes in the diff body. Ensure good alignment. Rear Diff (Black Outputs) Ø5 x Ø7 x 0.1mm Shim Ø4 x Ø13 x 0.1mm Shim Ø1.5 x 7.8 Pin RACE TIP Use shims...
  • Page 7 Front Camber Link Shorter BAG B - Step 13a Thread Thread Longer Note the shape of the turnbuckle. This side of the turnbuckle is the left hand thread. 35.0mm 52mm turnbuckle. Front Camber Link. Thread Thread Make a pair. Steering Link Shorter BAG B - Step 13b Thread...

  • Page 8: Bag B - Step 15

    BAG B - Step 14 M3 Nyloc M3 x 5 Csk Hd Screw Use the included foam pad to reduce battery movement. M3 x 8 Csk Hd Screw M3 x 14 Csk Hd Screw LiPo Position M3 Washer M3 Thread Insert LiPo position.

  • Page 9: C X1

    BAG B - Step 16 M3 x 12 Csk Hd Screw M3 x 10 Cap Hd Screw The belt tensioner has two Assemble in high position. bearing heights. High bearing is used when the diff is set M3 x 12 Cap Hd Screw high.
  • Page 10 BAG B - Step 19 M 3x 12 Button Hd Screw M3 x 16 Button Hd Screw ø1.5 x 7.8mm Pin Use as little axle grease M3 Washer as possible. ø5 x ø10 x 4mm Fl Bearing BAG B - Step 20 M3 Nyloc The gear should be orientated with the...

  • Page 11: A X2

    It is recommended to run 2 shims per side. You may remove a shim if there is BAG C - Step 22 not enough end float. Ensure you use a matching pair of eccentrics. The kit contains both HIGH/LOW and MID eccentrics. Base setting is HIGH for the rear diff and LOW for the front diff.

  • Page 12: B X4

    BAG C - Step 25 M3 Nyloc M3 x 12 Button Hd Screw Ball Stud Long Pocket this side. Step 13a (Front Camber Link). BAG C - Step 26 M3 x 12 Button Hd Screw M3 x 14 Button Hd Screw M3 x 20 Button Hd Screw M3 x 25 Button Hd Screw M3 x 30 Button Hd Screw...
  • Page 13 Note orientation of part. BAG C - Step 27 Silver edge chamfer is facing upwards. M3 Nyloc Step 13b (Steering Track Rod). 1.0mm Black Washer Ball Stud Short 5.5mm Ball Stud Long THREAD LOCK THREAD LOCK BAG C - Step 28 Threadlock screws ‘A’...
  • Page 14 Retain hardware ‘D’ and ‘E’ for future steps. BAG C - Step 30 Tighten screw ‘D’ until the M3 thread insert ‘F’ is pulled into the carbon fibre part as shown. M3 x 8 Button Hd Screw M3 x 12 Button Hd Screw M3 x 14 Button Hd Screw M3 x 12 Cap Hd Screw M3 Washer...
  • Page 15 When using suspension inserts that give Insert settings. The chart below more than +1.0mm hub height, shock shows the kit setting. See page length and shock stroke must be 30 for more info. corrected. To correct the stroke, add an BAG D - Step 32 O’Ring to the shock shaft above the spring Suspension...
  • Page 16 Rear Front BAG D - Step 35 M3 x 12 Grub Screw M3 x 14 Grub Screw Black 2.0mm Washer Twist the sockets to line up with the anti-roll bar. BAG D - Step 36 M3 x 8 Button Hd Screw M3 x 16 Button Hd Screw M3 x 3 Grub Screw M3 x 4 Cone Grub Screw...
  • Page 17 Do NOT overtighten. Slide the collar to the centre then tighten the grub screw. BAG D - Step 37 Twist the sockets to line up RACE TIP with the anti-roll bar. M3 x 12 Button Hd Screw Use the ø1.8mm anti roll bar in high grip conditions e.g.
  • Page 18 BAG D - Step 39 M3 x 6 Button Hd Screw M3 x 8 Button Hd Screw M3 x 12 Button Hd Screw M3 x 8 Cap Hd Screw Black 1.0mm Spacer M3 Thread Insert Motor NOT included. Set the belt tension now that the topdecks are on the car.
  • Page 19 BAG D - Step 41 M3 x 6 Csk Hd Screw M3 x 12 Button Hd Screw M3 x 14 Button Hd Screw C,D,E (See below) M3 x 16 Button Hd Screw M3 x 20 Button Hd Screw C,D,E (See below) M3 Washer Alloy M3 Nyloc Three different plastic LiPo spacers are included:...
  • Page 20 Step 42 Before painting, drill two 8.0mm mounting holes. We recommend using a body reamer. Remove, and use screws used on page 10, Step 24. Step 43 Body specification is shown for illustration purposes only. Use the included body cut out to the cut lines. Apply the velcro to the side pod.
  • Page 21 STOCK SPEC MANUAL STOCK - Step 18 BAG B - Step 18 ø5 x ø7 x 0.45mm Spacer ø5 x ø6.75 x 6.1mm Spacer ø5 x ø11 x 4mm Bearing STOCK - Step 21 BAG C - Step 21 Bearing ‘A’ is not used for the stock spec conversion ø5 x ø8 x 2.5mm Bearing M4 Flanged Nyloc...
  • Page 22 SPARES LISTS Chassis Parts Suspension Cont. U119 Aerial Tube - Pack 4 U8311 Rear Hub Carrier Inserts - L1R (4 prs) U122 Velcro 1/2metre x 16mm. U8400 5.5mm Long Socket - L1R (4 pcs) U4741 6mm Offset Servo Arms U8407 Alloy Front Pivot Block - L1R (pr) U4773 Aerial Mount...
  • Page 23 SPARES LISTS Bearings & Balls Cont. Hardware Cont. U3075 Ball Bearing - 4x8x3mm Red Seal - (pr) U7103 SPEED PACK - M3x6 Button Hd (pk10) U3136 Ball Bearing - 5x8x2.5 - Shield (pr) U7104 SPEED PACK - M3x8 Button Hd (pk10) U3871 Ball Bearing - 5x9x3 Red Seal - (pr) U7105...
  • Page 24 SPARES LISTS Option Parts Cont. U7976 Alloy Eccentric Hi-Lo - (pr) KC,KD,LD/2,L1/EVO,ST U7977 C/F RF Strap Spacer - CAT L1 EVO U7978 Brass Front Strap - L1/EVO U7982 Alloy Spring Seat High - Off Road (pr) U7983 S2 2.0mm Front Topdeck - CAT L1 EVO (pr) U7998 Ceramic Ball Bearing 5 x 10 x 4 Flanged (pr) U8035...
  • Page 25 CR280 - Titanium Pro Ball Studs - Short (pr) CR282 - Titanium Pro Ball Studs - Long (pr) CR720 - Ti Pro Ball Studs - Ultra Long - pk 2 AX011 - Aerox Alloy Servo Arm - Offset 25T Futaba AX012 - Aerox Alloy Servo Arm - Offset 23T KO/Sanwa U7333 - Stiff Wishbones Rear - (pr) U7490 - CFf Wishbones Rear - (pr)
  • Page 26 U8359 - Rear Only Slipper (ROS) U8454 - ROS Shaft U8381 - Alloy Wing Mount U8455 - ROS RH Endplate U8065 - M3 Alloy Thread Inserts pk8 U8456 - ROS Front Pulley U8457 - ROS Rear Pulley U8458 - ROS C/F Friction Disc (pr) U8382 - Alloy 6 Degree Yokes (pr) U8383 - Alloy 8 Degree Yokes (pr) U8384 - Alloy 10 Degree Yokes (pr)
  • Page 27 TRACK SETTINGS RIDE HEIGHT Use the spring adjusters on the shock absorbers to adjust the front and rear ride heights. With the car level, we recommend setting the ride height between 16-18mm on astro, 20-21mm on dirt and 12-14mm on carpet.
  • Page 28 REAR SHOCK MOUNT See Page 10 Bag C - Step 24 The second hole on the shock mount (2) gives best all round results. Moving the shock to the inboard position increases on power steering and reduces initial steering. Moving the shock to the outer holes will stiffen the suspension, increasing initial steering and forward drive but could cause the rear wheel lifting.
  • Page 29 FRONT CAMBER LINKS See Page 11 Bag C - Step 25 The kit settings for the front camber link position (2) and length are used by the team for most tracks. A shorter front link will make the car roll less and speed up the cars initial steering response. This is a better choice for bumpy, low grip tracks.
  • Page 30 HIGH ROLL CENTRE See Page 13 Bag D - Step 31 See Page 14 Bag D - Step 34 The kit is built with the front hinge pin in the high position. This pulls See Page 07 Bag B - Step 14 the front end out of the corner harder and gives the feeling of drive.
  • Page 31 REAR HUB HEIGHT See Page 14 Bag D - Step 32 Wide Pin Narrow Pin The kit hub position is +0.5mm (Insert B) hub height. Suspension Suspension Hub Height Hub Height Inserts Inserts Decresing hub height will add some side grip and make the car feel like it rolls 0.0mm 0.0mm more.
  • Page 32 BELT SETTINGS See Page 17 Bag D - Step 39 It is important to run the front belt tighter than the rear. It is also important not to overtighten the rear belt as it will promote a rear braking action and on lower grip surfaces you will find the back of the car unstable when off power. A tiny amount of belt skip on the upslope of the jump when the chassis is flexing is ok, if you overtighten the rear belt you will suffer failures.
  • Page 33 FRONT YOKE AND HUB HEIGHT See Page 12 Bag C - Step 29 By changing these settings, axle height will be adjusted. the yoke holes move the axle height 3.5mm and the hub height adjusts the axle height based on the washers used. Changing the height of the yoke also changes the front link angle which can be compensated for using washers.
  • Page 34 TYRES, WHEELS & INSERTS Tyres Wheels Neon Yellow U7460 - Rear (Pair) U7461 - Rear (5 Pairs) U7458 - Front (Pair) U7459 - Front (5 Pairs) White U4366 - Rear (Pair) U7469 - Rear (5 Pairs) U4496 - Front (Pair) U7468 - Front (5 Pairs) Rear Mini Pin 2 Black...
  • Page 35 TYRE SELECTION = Rear Tyre = Prime = Front Tyre = Durable Performance ASTRO Short Pile Medium Pile Long Pile Silver Darts U6832 Silver Darts U6832 Silver MiniSpike 2 U6763 Silver Mezzo U6886 Silver Mezzo U6886 Silver Mezzo U6886 Silver Mezzo U6889 Silver Mezzo U6889 Silver Mezzo U6889 Silver Darts U6831...
  • Page 36 FRONT SUSPENSION KEY: P = Plastic, A = Alloy, B = Brass, CF = Carbon Fibre, S2 = Schumacher Composite, M = Medium, S = Stiff, Sh = Short, H = High, L = Low, F = Front, R = Rear, Y = Yes, N = No...
  • Page 37 FRONT SUSPENSION KEY: P = Plastic, A = Alloy, B = Brass, CF = Carbon Fibre, S2 = Schumacher Composite, M = Medium, S = Stiff, Sh = Short, H = High, L = Low, F = Front, R = Rear, Y = Yes, N = No...
  • Page 38 FRONT SUSPENSION KEY: P = Plastic, A = Alloy, B = Brass, CF = Carbon Fibre, S2 = Schumacher Composite, M = Medium, S = Stiff, Sh = Short, H = High, L = Low, F = Front, R = Rear, Y = Yes, N = No...

This manual is also suitable for:

S1651