Norgren Collateral

21 GC3 Gripper Field changing arms: 1. Loosen two (2) flathead screws #215 and remove weld cover #15. 2. Remove the two (2) socket head cap screws #218, the one (1) socket head cap screw #219, and side plate #2 (side plate shown without cover). 3. Remove guide block #8 and slide off arm #3. 4. Replace arm and guide block, making sure the bumper is properly seated, replace side plate, the two (2) #218 socket head cap screws, and the one (1) #219 socket head cap screw. Torque the #218 screws to 45 in/lb [5.1 N/m] and the #219 screw to 35 in/lb [4 N/m]. Field changing bumpers to change head type: 1. Loosen (no need to remove) the two flathead screws #215. 2. Tip and and remove bumper(s) #402. 3. Replace with new bumper (see Note below). 4. Retighten 2 flathead screws. Torque to 50 in/lb (5.5 N/m). NOTE: 1. Head Type Options A1, A2 & A3 each use identical bumpers. Refer to page E-1 for kit information and part callouts. 2. Head Type Option D1 uses a single 22° bumper and a single 80° bumper. Refer to page E-2 for kit information and part callouts. 3. Head Type Options L1, L2, L3, U1, U2, & U3 all use a single 0° bumper combined with an opposing 22°, 45° or 80° arm bumper. Refer to page E-3 for kit information and part callouts. 218 219 2 8 3 15 215 Field Changeable Arms The features on this page provide two functions. First, they enable users to easily replace an arm in the field with a minimum of downtime. Second, they give users the ability to reconfigure a GC gripper into a different model based on changes in their application. Field Changeable Head Types 15 215 400 402 403 404 400 402 403 404 GC3 Series Installation and Maintenance

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