Installation Instructions: MF3 & MF4 FORD RANGER 5' & 6' BED LENGTHS 2019-CURRENT TOOLS REQUIRED • Adjustable wrench (that opens to about 1”) • 1/2” open end wrench • #2 Phillips screwdriver • 1/4" drive ratchet • 3/8" socket • Electric drill • 9/64" drill bit • Drill stop • Torx 40 driver • 7/16" deep socket • Short 7/32" Allen wrench Watch short installation videos at www.decked.com/video | Register your system at www.decked.
CONTENTS DECKED carton LEFT deck half - 1 RIGHT deck half - 1 Center vert - 1 Cabside vert - 1 Drawer - 2 Left ammo can - 1 Right ammo can - 1 Left stud - 1 Right stud - 1 Ammo can lid - 2 C-channel - 2 Ruler - 1 Hardware box - 1 Bottle opener - 1 Torsion brace - 1 Hardware box - unbagged components (inside DECKED carton): HARDWARE box - bagged components PREP-MF3/MF4 - 1 S1 - 1 S2 - 1 N1 - 1 J6 - 2 DRAWER 1 - 1 DRAWER 2 - 1 WHEELS - 1 FINAL MID - 1 PREP-EXTRA - 1 MS WASHERS - 1 Shims - 3 Weather strips
▼ HEY! TORQUE BOY: READ BEFORE YOU INSTALL DECKED ▼ 1. DON’T be an idiot read the instructions. 2. DON'T over tighten bolts, get em' hand-tight. 3. DON'T use power tools. 4. If you don't follow directions and do use power tools: 1). Set clutch at a very low setting. 2). If you blow it, see NOTE.* 5. Start all bolts with fingers to avoid cross-threading 6. DON'T over tighten J-hooks during installation. Make 'em good and snug enough to keep the system from moving in the bed. 7.
PREP BED: SHIMS • 2 WIDE SHIMS and 1 NARROW SHIM loose in your hardware kit. • Using the information below: 1) Clean the bed surface where the shims will be located. Isopropyl alcohol is recommended. 2) Remove tape film and apply shim with pressure. DETAIL A DETAIL B Align narrow shim to channel in floor as shown 5.5" from rear of bed (red). Align shim 2.5" from cabside panel (red) as shown. Repeat on right side of bed. 2.5" 5.5" B A DECKED.COM | #DECKEDUSA | @DECKEDUSA MF3 & MF4 | v.
PREP BED: CABSIDE BRACKETS • Remove cabside factory tie down with Torx 40 driver. Keep factory bolts. • Securely attach cabside bracket using factory bolts. Orient as shown in DETAIL A INSTALLED. BAG PREP-MF3/MF4. • Repeat other side. RECOMMENDED TORQUE: For retightening factory bolts - 11 ft-lb. DETAIL A DETAIL A INSTALLED FACTORY TIE DOWN CABSIDE BRACKET ➡ CAB ➡ ➡ A CAB CAB DECKED.COM | #DECKEDUSA | @DECKEDUSA MF3 & MF4 | v.
ASSEMBLY: CENTER VERT + CABSIDE VERT NOTE: Perform the next few steps on a flat surface like a garage floor. • Attach center vert to cabside vert with four bolts. Alternate to tighten; BAG S1. PLACE HOOK ON CENTER VERT OVER NOTCH IN CABSIDE VERT CAB ➡ CABSIDE VERT CENTER VERT S1 RECOMMENDED TORQUE: Bolts in labeled bag S1 - 27 in-lb. HELPFUL TIP: BAG S1, a.k.a "Bunker Hill," is required for most of the steps, so keep it close! These bolts are highlighted throughout instructions in RED. DECKED.
ASSEMBLY: LOOSELY ATTACH STUDS • LOOSELY attach studs to cabside vert with six bolts; BAG S1. CENTER VERT LEFT STUD CABSIDE VERT RECOMMENDED TORQUE: Bolts in labeled bag S1 - 27 in-lb. DECKED.COM | #DECKEDUSA | @DECKEDUSA S1 KEEP LOOSE S1 KEEP LOOSE CAB ➡ RIGHT STUD MF3 & MF4 | v.
ASSEMBLY: ALIGN & TIGHTEN STUDS NOTE: This step ensures the studs are properly located before tightening bolts. It's important. • Place ammo cans to support tailgate end of deck panels. • Lift deck panels on center vert + stud + cabside vert assembly. • Slide studs around L-R until deck panels are seated. • DETAIL A: Loosely secure four bolts to hold decks onto studs; BAG S1. • Now you can securely tighten the bolts that hold the studs to the cabside vert.
ASSEMBLY: STUD BRACKETS • DETAIL A: Securely attach left stud bracket to left stud using three 3 1/2" length bolts and flanged nut in holes shown; BAG PREP-MF3/MF4. • DETAIL B: Securely attach right stud bracket to right stud using three 3 1/2" length bolts and flanged nut; BAG PREP-MF3/MF4. DETAIL A DETAIL B FLANGED NUTS FLANGED NUTS ➡ 3 1/2" BOLTS CAB ➡ CAB A B ➡ CAB RECOMMENDED TORQUE: Bolts in labeled bag PREP-MF3/MF4 - 27 in-lb. DECKED.COM | #DECKEDUSA | @DECKEDUSA MF3 & MF4 | v.
INSTALL: MOUNTING + CABSIDE ATTACHMENT • While supporting both ends, lift center vert + stud + cabside vert assembly in truck bed. Position against cabside panel of bed with stud bracket tailgate side of cabside bracket. • DETAIL A: Install a 3/4" length bolt and flanged nut and tighten securely; BAG PREP-MF3/MF4. • Repeat other side. RECOMMENDED TORQUE: Bolts in labeled bag PREP-MF3/MF4 - 53 in-lb.
INSTALL: C CHANNELS IMPORTANT: There is a left and right ammo can. The inside of each ammo can is marked L or R. • Loosely place left side ammo can at tailgate corner of bed. The axle will be closest to you. • Place C-channel on ledge of stud and ammo can with end plate on the stud (cabside). • DETAIL A: Place nylon washer on four 1” bolts from BAG S2. Insert two bolts through C-channel into ammo can and loosely fasten with flanged nuts.
INSTALL: DECK HALVES • Loosely place deck panel on side stud, center vert and ammo can. • Shift ammo can forward, rearward, L-R, as necessary to align with fully seated deck panel. • Loosely assemble: • Five bolts through deck panel into center vert; BAG S1. • Four bolts with nylon and rubber washers installed as shown through deck panel into stud; BAG S1, BAG MS WASHERS. • Eight bolts with nylon and rubber washers installed as shown through deck panel into ammo can; BAG S1, BAG MS WASHERS.
INSTALL: J-HOOKS • Loosely assemble J-hook assembly in order shown through the TAILGATE side hole in ammo can; BAG J6. • Repeat other side. ➡ CAB J6 ✕ ✕ ✕ J6 ✕ FACTORY TIE DOWN ✕ ✕ FACTORY TIE DOWN TAILGATE TAILGATE LEFT AMMO CAN KEEP LOOSE DECKED.COM | #DECKEDUSA | @DECKEDUSA RIGHT AMMO CAN KEEP LOOSE MF3 & MF4 | v.
DRAWERS: BRACKETS + WHEELS • Each drawer has a left and a right bracket. Bolt brackets into place via bottom two holes in bracket with 3/4" length bolts. Use the 2" length bolt for the upper cabside wall hole in bracket; BAG DRAWER 1. • Install a tube brace in each drawer with two 3/4" length bolts; BAG DRAWER 1, BAG DRAWER 2. • Attach wheels onto drawer brackets with a 7/32" Allen key; BAG WHEELS. TUBE BRACE GOES HERE DRAWER 1 RECOMMENDED TORQUE: Bolts in labeled bags DRAWER 1 and DRAWER 2 - 27 in-lb.
DRAWERS: AXLE WHEELS + WEATHERSTRIPS NOTE: If you jumped the gun and tightened the J-hooks when installing, loosen them. • Slide narrow drawer into left side drawer cavity. NOTE: It is easier to fully install narrow drawer first. • DETAIL A: Install two tailgate wheels onto narrow drawer axles with a 7/32" Allen key; BAG WHEELS. • Repeat with wide drawer. • DETAIL B: Install weatherstrips on top of drawer edges WITH WIPER BLADE POINTING TOWARD DRIVER.
FINAL STEPS: TORSION BRACE + BOTTLE OPENER • Slide torsion brace under center vert and tailgate ammo cans. • Loosely install: • Two bolts with nylon washers through the end holes in torsion brace into ammo cans; BAG S1. • Two bolts with nylon washers through the bottom bottle opener holes and torsion brace into center vert; BAG S1. • Two 1/2" length bolts through upper holes in bottle opener into center vert; BAG FINAL MID.
FINAL STEPS: THE RULER • Center ruler in embossed area and screw three 1/2" length Phillips screws through the tailgate side holes directly into deck panels; BAG FINAL MID. NOTE: These are small gauge screws. Light hand tighten ONLY. • For the three cabside ruler mounting holes, drill each with a 9/64" bit and a drill stop set to 1/2". There is a lateral steel tube that runs on the underside of the deck at this location. (SEE UNDERSIDE VIEW OF DECK).
FINAL STEPS: AMMO CAN LIDS • DETAIL A: Ammo can lids are left (marked L) and right (marked R) side specific. • DETAIL B: Holding lid in orientation shown, insert tab on tailgate end of ammo can lid and push the cabside end of lid down to secure. Don't be afraid to push hard, it's rugged. • Insert lock hole plugs, unless you ordered drawer locks! Install drawer locks now (instructions with locks); BAG FINAL MID.
DECKED 3-YEAR LIMITED WARRANTY (a.k.a. LEGAL MUMBO JUMBO) DECKED LLC warrants to the original purchaser of this product that the product will be free from manufacturing defects in workmanship and materials for a period of three (3) years from the date of the original purchase. If within three (3) years from the original date of purchase this product fails due to defect in materials or workmanship, DECKED LLC will replace any defective part at its option.
