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HUMMER H1: STEP BY STEP ™ Stage 36 Attaching the 46T gear to the main shaft Your parts Main shaft 1680 ball bearing E7 E-ring 2.5 × 16mm pin Tools and Needle-nose pliers Masking tape (or Scotch tape) Phillips screwdriver 46T gear (Stage 1) materials...
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HUMMER H1: STEP BY STEP ™ Slide the 1680 ball bearing over the main shaft. It doesn’t matter Push the bearing down the shaft so that it rests at the bottom which way the ball bearing goes. (see dotted red line). Once the bearing is sitting flush to the bottom of the shaft, fit Make sure that the E-ring is positioned so that the rounded the E7 E-ring on top of it (see dotted red line).
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HUMMER H1: STEP BY STEP ™ Place the 2.5 × 16mm pin into the hole in Adjust the pin so that equal lengths are Making sure the pin doesn’t fall out, the middle of the main shaft (circled). protruding from each side of the shaft. slide the 46T gear over the main shaft, back side first.
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HUMMER H1: STEP BY STEP ™ Stage 37 The main shaft cup joint Your parts Main gear shaft 5 × 4mm set screw 1680 ball bearing Main shaft cup joint Tools and 2.5mm Allen key (Stage 7) Main shaft assembly (Stage 36) Thread-locking agent (or rubber-based Sealable plastic bag materials...
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HUMMER H1: STEP BY STEP ™ Place the set screw onto Apply a little thread- the tip of the Allen key. locking adhesive to the set screw (rubber-based adhesive can also be used). Place the set screw into Turn the Allen key to feed the threaded hole in the the set screw into the side side of the main shaft...
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HUMMER H1: STEP BY STEP ™ Place the cup joint and bearing assembly onto the tip of the main Push the cup joint down so that it rests against the gear. If it is shaft, as shown. Make sure that the flat portion of the shaft's tip difficult to push it, loosen the set screw a little.
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HUMMER H1: STEP BY STEP ™ Stage 38 Assembling the main gear Your parts Center gear (20T) 1480 ball bearings × 2 Main gear (46T) 3 × 8mm countersunk screws × 3 Phillips screwdriver Tools and Masking tape Main gear shaft (Stage 37) materials Plastic bag Marker pen...
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HUMMER H1: STEP BY STEP ™ Fit the 20T center gear Adjust the center gear so into the center of the 46T that the circled holes line main gear. up with those on the 46T gear, and that it is fitting snugly into place.
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HUMMER H1: STEP BY STEP ™ Press the bearing into place, making sure it is sitting straight. Inspect the main gear shaft supplied with Stage 37. You will see it has a ‘collar’ near the center of the shaft, and that this divides the shaft into a longer and shorter end.
HUMMER H1: STEP BY STEP ™ Stage 39 Assembling and mounting the center gear Your parts Center gear cover 3 × 18mm self-tapping screws × 4 Center gear mount back 3 × 3mm set screw Center gear mount front Brake collar Brake cam rod 3 ×...
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HUMMER H1: STEP BY STEP ™ Place the center gear Turn the screw with a mount front flat on your screwdriver, making sure the work surface, as shown. The screw enters the gear mount center gear mount front and perfectly straight. When you back parts look very similar, feel the screw reach the far so make absolutely sure...
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HUMMER H1: STEP BY STEP ™ Press the parts firmly Place the center gear together. mount front part over the tips of each gear assembly and press together, following the arrows. Check against the photo that you have the parts aligned correctly.
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HUMMER H1: STEP BY STEP ™ Press the brake cam The short side of the cam into place. should be visible in the rectangular hole from the outside of the gear mount. Place the brake collar Press the brake collar onto the tip of the brake down so that it rests on cam, with the flange...
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HUMMER H1: STEP BY STEP ™ Holding the assembly in Once the two 3 × 12mm your hand, as shown in screws, and the four 3 the photo, insert two 3 × × 18mm screws are in, 12mm self-tapping screws tighten each fully with a into the holes at the top screwdriver.
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HUMMER H1: STEP BY STEP ™ Stage 40 Installing the disc brake Your parts Front torque rod 4 × 10mm countersunk screws × 2 Brake calipers × 2 3 × 10mm self-tapping screw Brake pads × 2 3 × 10mm self-tapping countersunk screws × 2 Brake disc 4 ×...
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HUMMER H1: STEP BY STEP ™ Inspect the brake pads and Holding the center gear calipers. Lay the parts out, mount as shown, place the as shown: note the shape first brake caliper so that and orientation of each. The its two holes line up with holes on the left and right those on the casing of the...
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HUMMER H1: STEP BY STEP ™ Tighten the second 3 From the side, your brake × 12mm binding-head pads and calipers should screw (Stage 39) into the look like this. Turn the wider hole on the left side screws until there is a gap of the pads and calipers, of about 1mm between and tighten lightly.
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HUMMER H1: STEP BY STEP ™ Turn the servo savers until Place the first 4 × 10mm they line up directly with binding-head screw into the circled holes on the the right hole in the front front upper plate. upper plate and through to the hole in the right servo saver.
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HUMMER H1: STEP BY STEP ™ Next, carefully turn Tighten with a screwdriver. the main chassis over, and place a 4 × 10mm countersunk screw into the hole leading to the bottom of the right servo saver. Repeat for the left servo saver. Next locate the holes in the underside of Tighten with a screwdriver.
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HUMMER H1: STEP BY STEP ™ Stage 41 Fitting the driveshafts Your parts Roll bar 3 × 12mm countersunk screws × 2 Front driveshaft 3 × 10mm binding-head screws × 2 Rear driveshaft 3mm nuts × 2 4 × 16mm self-tapping countersunk screws × 4 Tools and Phillips screwdriver Main chassis assembly (Stage 40)
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HUMMER H1: STEP BY STEP ™ Lay the main chassis assembly (Stage 40) on your work surface facing to the left. Place the center gear mount (also Stage 40) in the center, as shown here. Next, lay out both driveshafts – the longer of the two is the rear driveshaft, and the shorter is the front driveshaft.
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HUMMER H1: STEP BY STEP ™ Make sure the metal pin is With both driveshafts in fitted into the slots in the place, lower the center cup joint. gear mount down onto the surface of the main chassis, so that the four holes line up with those on the chassis.
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HUMMER H1: STEP BY STEP ™ Place the second 3 × Next, inspect the longer 10mm binding-head screw arm of the roll bar – it does into the adjacent hole, not matter if it has come then tighten both fully. away from the chassis surface a little.
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