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TW34 / TW14RH1 / TW38RH / TW38RH2 / TW12RH1 Head Assembly SOP Assembly Step 1: Prepare the parts you need: ratchet head driver heart spring direction plate pawl Assembly Step 2: Prepare the tools you need: screwdriver grease T-30 bit...
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Assembly Step 3: Start to assemble: 3-1. Insert the heart spring into the pawl. Make sure to insert the sprint into the larger hole as shown below. 3-2. Apply grease on the driver, and place the pawl with heart spring on the driver as shown below. 3-3.
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3-4. Place the direction plate onto the ratchet head making sure the pin on the bottom of the direction plate hooks into the cusp at the bottom of the heart spring. 3-5. Fasten the direction plate to the ratchet head with the direction plate screw. 3-6.
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3-7. Test functionality: A. Turn the driver B. Switch can shift in both directions...