Installation Instructions
Step 1: Lock gunner turret ring.
Step 2: Open and secure gunner hatch.
Step 3: Remove existing gunner sling.
Step 4: Remove bolt securing existing gunner sling-hook bracket from turret using 9/16” (14mm) ratcheting closed-end wrench (a.k.a. gear wrench) (save his bolt as it will be used for installation of the Turret Bracket hook side (p/n: 901-US-07301-3 (discard the bolt that comes with the kit)).Existing Gunner Sling Hook Bracket (photos show two views of same bracket)
Step 5: Remove bolt securing existing gunner sling slotted bracket from turret using 9/16” (14mm) gear wrench (save this bolt as it will be used for installation of Turret Bracket webbing side (p/n: 901-US-07301-4 (discard the bolt that comes with the kit)). Existing slotted gunner sling bracket
Step 6: Install Turret Bracket Kit Assemblies (p/n: 901-US-07301-3 hook side and 901-US-07301-4 webbing side) onto gunner turret with existing bolts removed from steps 4 and 5 using existing gunner sling bracket holes. Use thread-sealing compound (Loctite “blue”) on bolt threads. Center bracket assemblies and hold in position while tightening bolts. (Torque to 26 lb-fta;10%).
Step 7:
1. Ensure webbing slot on sling webbing bracket has no sharp edges or burrs. Use a file and/or coarse sandpaper to smooth sharp edges and burrs from webbing slot.
2. Reinstall existing mesh sling seat.
Step 8:
1. Remove wooden board (loosen A/C evaporator cover so board can be removed).
2. Identify and drill out the five (center) rivets in the area located above the cross member.
3. Using a 12.5mm drill bit, drill out ONLY the center hole of the five where the rivets
4. Nut Fastener in the 12.5mm hole from step 3.
5. Position the adaptor plate on the floor and secure with 3/8-16×2” counter-sink bolt, using the center hole in plate to the rivet-nut installed in step 4. NOTE: the adaptor plate shall be mounted on top of and in line with the B-beam.
6. The remaining four (4) rivet-nuts shall be installed one at a time to make sure that the pre-drilled counter-sink holes on the adaptor plate properly line up. This is to be accomplished by first mounting the plate; drilling ONLY ONE of the holes through the B- beam with a 12.5mm drill bit using the plate as a drill template and then removing the plate to install that rivet-nut. The plate is to be re-installed with a 3/8-16×2” counter-sink bolt in each of the rivet-nut been installed at that time and selecting another of the holes to drill out. This process will be repeated until the remaining four (4) rivet-nuts are installed; each time removing and replacing the plate (in any sequence).
7. Mark the position of the plate on the vehicle floor so that the markings may be transferred to the wooden board. Place wooden board into position; install a few Transfer markings from vehicle floor to wooden board and remove board accordingly. Cut wooden board and discard center section. Place 7/16” x .363” long spacers (qty 5) over each of the rivet-nuts. Place wooden board into position and screw down board with existing screws. Secure the edge of the wooden board, alongside the adaptor plate where the upper ribbed floor meets the underside of the wooden board, using three (3) self-tapping screws on each side.
Download Hummer Single Lower with Swivel – M1151 Gunner Restraint PDF Installation Instructions
Step 1: Lock gunner turret ring.
Step 2: Open and secure gunner hatch.
Step 3: Remove existing gunner sling.
Step 4: Remove bolt securing existing gunner sling-hook bracket from turret using 9/16” (14mm) ratcheting closed-end wrench (a.k.a. gear wrench) (save his bolt as it will be used for installation of the Turret Bracket hook side (p/n: 901-US-07301-3 (discard the bolt that comes with the kit)).Existing Gunner Sling Hook Bracket (photos show two views of same bracket)
Step 5: Remove bolt securing existing gunner sling slotted bracket from turret using 9/16” (14mm) gear wrench (save this bolt as it will be used for installation of Turret Bracket webbing side (p/n: 901-US-07301-4 (discard the bolt that comes with the kit)). Existing slotted gunner sling bracket
Step 6: Install Turret Bracket Kit Assemblies (p/n: 901-US-07301-3 hook side and 901-US-07301-4 webbing side) onto gunner turret with existing bolts removed from steps 4 and 5 using existing gunner sling bracket holes. Use thread-sealing compound (Loctite “blue”) on bolt threads. Center bracket assemblies and hold in position while tightening bolts. (Torque to 26 lb-fta;10%).
Step 7:
1. Ensure webbing slot on sling webbing bracket has no sharp edges or burrs. Use a file and/or coarse sandpaper to smooth sharp edges and burrs from webbing slot.
2. Reinstall existing mesh sling seat.
Step 8:
1. Remove wooden board (loosen A/C evaporator cover so board can be removed).
2. Identify and drill out the five (center) rivets in the area located above the cross member.
3. Using a 12.5mm drill bit, drill out ONLY the center hole of the five where the rivets
4. Nut Fastener in the 12.5mm hole from step 3.
5. Position the adaptor plate on the floor and secure with 3/8-16×2” counter-sink bolt, using the center hole in plate to the rivet-nut installed in step 4. NOTE: the adaptor plate shall be mounted on top of and in line with the B-beam.
6. The remaining four (4) rivet-nuts shall be installed one at a time to make sure that the pre-drilled counter-sink holes on the adaptor plate properly line up. This is to be accomplished by first mounting the plate; drilling ONLY ONE of the holes through the B- beam with a 12.5mm drill bit using the plate as a drill template and then removing the plate to install that rivet-nut. The plate is to be re-installed with a 3/8-16×2” counter-sink bolt in each of the rivet-nut been installed at that time and selecting another of the holes to drill out. This process will be repeated until the remaining four (4) rivet-nuts are installed; each time removing and replacing the plate (in any sequence).
7. Mark the position of the plate on the vehicle floor so that the markings may be transferred to the wooden board. Place wooden board into position; install a few Transfer markings from vehicle floor to wooden board and remove board accordingly. Cut wooden board and discard center section. Place 7/16” x .363” long spacers (qty 5) over each of the rivet-nuts. Place wooden board into position and screw down board with existing screws. Secure the edge of the wooden board, alongside the adaptor plate where the upper ribbed floor meets the underside of the wooden board, using three (3) self-tapping screws on each side.
Download Hummer Single Lower with Swivel – M1151 Gunner Restraint PDF Installation Instructions
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