Install Roll Tarp


Install End Caps

  1. IMPORTANT: The DN456 or DN485 box needs to be installed on the chassis before installing tarp. Installed tarp will not allow access to lift hooks to hoist the box.

    Supplied kits contain stainless steel hardware, replacement parts used should be stainless steel.

    N117480
    N117480-UN-15APR15

    A - Washer

    B - Cap Screw

    C - Bracket

    D - Nut

    E - Lock Washer

    Align holes in bracket (C) to holes in top rail. Secure using supplied nut (D), cap screw (B), washer (A), and lock washer (E).


  2. Repeat procedure to install remaining brackets.

  3. NOTE: Front-end cap shown, back-end cap is similar.

    N117481
    N117481-UN-15APR15

    A - End Cap

    B - Cap Screws (5 used)

    C - Washers (5 used)

    D - Lock Washers (5 used)

    E - Nuts (5 used)

    Attach end cap (A) with supplied cap screws (B), nuts (E), lock washers (D), washers (C).


  4. Repeat procedure for opposite endcap.

  5. N117482
    N117482-UN-15APR15

    A - Button Head Cap Screw

    B - End Cap

    C - Lock Washer

    D - Nut

    E - Washer

    Align bracket holes with end cap holes. Secure with supplied button head cap screws (A), nuts (D), lock washers (C), and washers (E).


  6. Repeat procedure for remaining brackets.

  7. N117479
    N117479-UN-15APR15

    A - End Cap

    B - Lifting Point

    Push up on end cap (A), at point (B), while fastening to bracket to ensure that end cap is level with spreader box.



Install Bows

  1. N117309
    N117309-UN-13APR15

    A - Bow

    B - Cap Screw

    C - Washer

    D - Nut

    Attach supplied nuts (D), cap screws (B), washers (C), and bows (A) to top of spreader box. Repeat on opposite side.


  2. Repeat procedure for each bow.

  3. IMPORTANT: Ensure that ridge strap buckle is facing down to prevent damage to tarp.

    N117310
    N117310-UN-13APR15

    A - Buckle

    B - Ridge Strap

    Attach ridge strap buckle (A) and ridge strap (B).



Install Tarp Stops and Roll Tarp

  1. N117801
    N117801-UN-06MAY15

    A - Nut

    B - Lock Washer

    C - Washer

    D - Cap Screw

    E - Tarp Stop

    Install tarp stop (E) to spreader box using with supplied nut (A), cap screw (D), lock washer (B), and washer (C).


  2. Repeat procedure for each tarp stop.

  3. N117316
    N117316-UN-15APR15

    N117317
    N117317-UN-15APR15

    A - Distance

    B - Distance

    C - End Caps (2 used)

    D - Roll Tarp

    E - Fixed Tube

    F - Tarp Stop (3 used)

    Ensure distances (A and B) on end caps (C) are equal.


  4. Center roll tarp (D) on spreader with fixed tube (E) on tarp stops (F) side of spreader.

  5. Unroll tarp so fixed tube rests squarely in tarp stop.

  6. NOTE: Ensure that tarp stop spring pins are installed towards the rear of spreader.

    N117318
    N117318-UN-15APR15

    A - Cotter Pin

    B - Pin

    Insert cotter pin (A) and pin (B) into tarp stop locking fixed tube into tarp stop.


  7. Repeat procedure for each tarp stop.

  8. Ensure that tarp is square with spreader body. Unlock tarp stops and adjust if necessary.

  9. N117483
    N117483-UN-15APR15

    A - Middle Tarp Stop

    B - Fixed Tube

    C - Plastic Washer (2 used)

    D - Cap Screw (2 used)

    Hold plastic washers (C) along side middle tarp stop (A).


  10. Using washers for guides drill two 3/16 in. holes through tarp and into fixed tube (B).

  11. Install plastic washers and cap screws (D).


Install Cables and Ratchets

  1. N117485
    N117485-UN-15APR15

    A - Ratchet

    B - Lock Washer (2 used)

    C - Nut (2 used)

    D - Washer (2 used)

    E - Cap Screw (2 used)

    Install ratchet (A), caps screws (E), washers (D), lock washer (B), and nuts (C). Do not tighten hardware now.


  2. N117486
    N117486-UN-15APR15

    A - Spool (2 used)

    B - Channel (2 used)

    C - Stop Sleeve (2 used)

    Unroll tarp to closed position.


  3. Install stop sleeve end of cables (C) into channels (B) on spools (A).

  4. Pull cables forward and lock into channel.

  5. N117487
    N117487-UN-15APR15

    A - Slot (2 used)

    B - Ball End (2 used)

    Wrap cables into grooves on spools, in clockwise direction, until cables reach slot (A).


  6. Install ball ends (B) of cables into ratchets.

  7. N117489
    N117489-UN-15APR15

    A - Direction

    Adjust ratchets so ball ends of cables move 6.35 mm (.25 in.) in an outward direction (A) from plumb position.


  8. Tighten ratchet hardware.

  9. N117488
    N117488-UN-15APR15

    A - Channel (2 used)

    B - Ratchet (2 used)

    Tighten ratchets (B) to remove slack from cable and apply tension on roll tarp. Note position of channels (A) on front and rear spools as initial tension is reached.


  10. Tighten ratchets so channels rotate 90 degrees from original position.

  11. NOTE: Ratchets must be in locked position to hold tension. Do not release ratchets to operate system.

    Open and close tarp five or six times to allow cables to seat in spool grooves and tarp to pull tight.

  12. Check position of channels and retighten ratchet to rotate channels 90 degrees from their initial position.


Install Telescoping Crank

  1. N117516
    N117516-UN-16APR15

    A - Cartridge Tube

    B - Nut

    C - Flex Arm Joint

    D - Spacer

    E - Cap Screw

    F - Roll Tube

    Attach spacer (D) onto cartridge tube (A) on rear, red end, of roll tube (F).


  2. Attach flex arm joint (C) into cartridge tube. Secure with supplied cap screw (E) and nut (B).


Install Telescoping Crank Retainer Bracket

  1. N117517
    N117517-UN-16APR15

    A - Telescoping Crank Retainer Bracket

    B - Cap Screw

    C - Telescoping Crank Retainer

    D - Cap Screw (2 used)

    E - Washer (2 used)

    F - Nut (2 used)

    G - Lock Washer (2 used)

    Install telescoping crank retainer bracket (A) with supplied nuts (F), caps screws (D), washers (E), and lock washers (G).


  2. Attach telescoping crank retainers (C) using supplied cap screws (B).

  3. Repeat procedure for opposite retainer bracket.

  4. N117518
    N117518-UN-17APR15

    A - Hex Tube

    B - Handle

    To change angle of handle (B) while crank is in retainer, slide handle into hex tube (A) until it stops. Rotate handle to desired angle, pull handle out to desired length.



Install Telescoping Crank Arm

  1. N117519
    N117519-UN-17APR15

    A - Button (2 used)

    B - Hex Tube

    C - Crank Arm

    Secure hex tube (B) in vise.


  2. Hold in buttons (A) and pull crank arm (C) out of hex tube.

  3. N117520
    N117520-UN-17APR15

    A - Spring Pin

    B - Bearing

    C - Bearing

    D - Crank Handle

    Remove and retain spring pin (A) and bearings (B and C) from crank arm (D).


  4. N117520
    N117520-UN-17APR15

    N117521
    N117521-UN-17APR15

    A - Spring Pin

    B - Bearing

    C - Bearing

    D - Crank Handle

    E - Holes (as required)

    Install bearing (C) onto crank handle (D).


  5. Install bearing (B).

  6. Ensure holes (E) are aligned as shown.

  7. Install spring pin (A).

  8. N117551
    N117551-UN-20APR15

    A - Hex Tube

    B - Holes (2 used)

    C - Spring Clips (2 used)

    D - Crank Handle

    Install crank handle (D) into hex tube (A), aligning grooves in bearings with holes in hex tube.


  9. Hold spring clips (C) as shown.

  10. Install bearing with spring clips into hex tube until spring clips snap into holes (B) in hex tube.

TB90758,0001A43-19-20150511