DECKED MG3 Manual de usuario
Installation Instructions:
MG3 MG4
CHEVY COLORADO/GMC CANYON
5'2" or 6' 2” BED LENGTH
NOTE: Most of the images in these instructions are of the short bed, but they apply to both length beds
2015-CURRENT
TOOLSREQUIRED
• Adjustable wrench (that opens to about 1”)
• 1/2” open end wrench
• #2 Phillips screwdriver,
• Short 7/32” hex wrench
• 7/16” deep socket
• 3/8” socket
• Electric drill
• 9/64" drill bit
• Drill stop
▼HEY! TORQUE BOY: READ BEFORE YOU INSTALL DECKED ▼
▼ ASSEMBLY OVERVIEW ▼
CENTER VERT
CABSIDE VERT
DRIVER SIDE DECK
(NARROW)
PASSENGER SIDE
DECK (WIDE)
DRIVER SIDE
AMMO CAN
PASSENGER SIDE
AMMO CAN
DRIVER SIDE
STUD "YUP"
PASSENGER SIDE
STUD "YUP"
DRIVER SIDE
AMMO CAN LID
PASSENGER SIDE
AMMO CAN LID
TORSION
BRACE
CCHANNEL
CCHANNEL
TAILGATE
1. DON'T over tightenbolts,getem'good 'olehand-tight.
2. DON'Tuse power tools.
3. Ifyoudon't follow directionsanddouse powertools:
1). Setclutchata very lowsetting.
2). Don'tblowit.
3). Ifyoublowit,seeNOTE.*
NOTE*Twoextra threadedinsertsareincludedinBAG
PREP-EXTRA. That'sall youget.
4). DON'T over tightenJ-hooks duringinstallation.
Make 'emgood andsnug enoughtokeepthe
systemfrommovinginthebed.
5). Doreadthese instructionsclosely.
NOTE: Most of the images in these instructions
depict the short CHEVY/GMC bed, but they apply to
both length beds.
A
MAKE SURE MARK SITS AT LEAST
14" HIGH (SO YOU CAN SEE IT)
DETAIL A
CAB
➡
MG3 & MG4 | V1 | Page 1
▼HEY! TORQUE BOY: READ BEFORE YOU INSTALL DECKED ▼
Need Help? Watch our installation videos or give us a call. We’re happy to help!
PREP BED: MARKCENTEROFBED
• Usea markingpen orwaxpencil tomarka centerline(blue)on the raisedcenterbead.
Alignshimto channelinfloor shown3”from
cabsidepanelof bed(red).
Alignshimto channelinfloor shown.Place
shim7" fromrearofbed (red).
3”
7 "
A
B
➡
CAB
DETAIL A
DETAIL B
MG3 & MG4 | V1 | Page 2
PREP BED: SHIMS
• 2 SHIMS thatlooklikethiscan befoundin yourhardwarekit.
• Usingthe informationbelow:
1) Cleanthe bedsurfacewherethe shims will belocated.Isopropylalcohol(donot drink)is recommended.
2)Removetapefilmand applyshim withthe strengthof1000men a.k.apush reallyhard.
FACTORY TIEDOWN
(GREEN)
PREP BED: CABSIDETIEDOWNS
• Sandwichthe factorydriversidetie-down(green)in betweenthecabsidetie-downbracket(yellow)andthe clamp
plate(red);BAGPREP-MG34
• Fasten securelythroughthecircularholes with1" boltand flangednut;BAGPREP-MG34
• Repeatpassengerside.
CABSIDE TIEDOWN
BRACKET (YELLOW)
CLAMP PLATE
(RED)
DETAIL A DETAIL A
INSTALLED
A
CAB
1" BOLT
FLANGED
NUT
➡
MG3 & MG4 | V1 | Page 3
MG3 & MG4 | V1 | Page 4
ASSEMBLY: CENTERVERT+CABSIDEVERT
NOTE: Perform the next few steps on a flat surface like a garage floor.
• Attach centervert tocabside vert with four bolts.Alternate to tighten; BAG S1.
CENTER VERT
CABSIDE VERT
S1
PLACEHOOK ONCENTERVERT
OVERNOTCHINCABSIDEVERT
HELPFUL TIP: BAG S1, a.k.a "BunkerHill," is required
for most of the steps, so keep it close! These bolts are
highlighted throughout instructions in RED.
MG3 & MG4 | V1 | Page 5
ASSEMBLY: LOOSELYATTACHSTUDS(YUP)
• LOOSELY attach studs to cabside vert with sixbolts;BAG S1.
CENTER VERT
PASSENGER
SIDE STUD
CABSIDE VERT
DRIVER
SIDE STUD
KEEP LOOSE
(YOGAHELPS)
S1 KEEP LOOSE
S1
MG3 & MG4 | V1 | Page 6
HELPFUL TIP: This step seems like a waste of time,
but Dr. DECKED says it's important...don't skip out.
ASSEMBLY: ALIGN&TIGHTENSTUDS(YUP)
NOTE: This step ensures the studs are properly located before tightening bolts. It's important.
• Placeammocanstosupporttailgateendofdeckpanels.
• Liftdeckpanelsoncentervert+stud+cabsidevertassembly.
• SlidestudsaroundL-Runtildeckpanelsareseated.
•DETAILA: Looselysecurefourboltstoholddecksontostuds; BAG S1.
• Nowyoucansecurelytightentheboltsthatholdthestudstothecabsidevert.
• Unboltdeckfromstuds,removedeckpanels,savebolts,removeammocansandsetasideforlaterassembly.
DETAIL A
S1
A
YOU WILL REMOVE AND SAVE THESE BOLTS
AFTER TIGHTENING CABSIDE VERT + SHIM
BOLTS
TIGHTEN AND SECURE
ASSEMBLY: STUDBRACKETS
• DETAIL A: Attach driver side stud bracket to driver side stud using three 3 1/2" bolts and three flanged nuts
into proper hole locations (green). Tighten securely; BAG PREP-MG34
•DETAIL B: Repeat steps in DETAIL A on passenger side.
DRIVER SIDE BRACKET PASSENGER SIDE
BRACKET
A
B
DETAIL A DETAIL B
➡
CAB
MG3 & MG4 | V1 | Page 7
➡
CAB
➡
CAB
FLANGED
NUT
ASSEMBLY: MOUNTASSEMBLY
• DETAIL A: While supporting both ends, lift center vert + stud + cabside vert assembly in truck bed.
NOTE: Make sure centerline arrows on cabside vert are aligned with your centerline marks (blue).
• DETAIL B:Place studbrackets cabside ofcabside brackets(yellow).Looselyfastenwith3/4" boltand flangednut;
BAG PREP-MG34.
• Repeatpassengerside.
• Make sureassemblyis stillon centerline,thensecurelytightenbothsides.
DETAIL B
B
A
DETAIL A
➡
CAB
➡
CAB
3/4" BOLT
MG3 & MG4 | V1 | Page 8
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