How to Install and Operate Undercover Tonneau Covers

Pre-Installation Notes:you are ready to remove the cover! CAUTION: BE
1. Paint rubbing off the truck is normally not aSURE TO INSTALL THE SPLIT RINGS BEFORE
problem with this cover! However, becauseATTACHING THE HYDRAULIC STRUTS!!! The struts
Undercover tonneau covers lock the tailgate of thewill exert pressure on the front female hinge/tang
truck, the clearance is tighter on the tailgate so notmechanism and you want to make sure the cover is
to allow someone to "jerk" the tailgate open when itsecurely anchored prior to installing the struts!
is locked. Therefore, I recommend installing a• Step 8: Install hydraulic struts making sure the
standard tailgate protector on your truck. ManyLARGE end of the strut is attached to the tonneau,
experienced truck owners install a sprayed-in bedlinerand the SMALL end is attached to the ball stud on
that goes over the tailgate's top edge. This is oftenthe rear bracket! Basically you slip the hole of the
the preferred method of choice for many trucksmall end of the strut onto this ball stud and it snaps
owners. However, a simple plastic, rubber, or thininto place and is held in place by the pre-installed
chrome tailgate protector will do the job! Paintretaining clip.
rubbing on the side rails is extremely rare. You almost• Step 9: Be sure the front flap seal hangs over
have to intentionally mount the cover "out of square"the bulkhead (or the front edge of the pickup truck
to have paint rubbing on the side rails. However,bed). This flap over provides you with additional
realize that paint rubbing is a possibility and is the soleweather resistance at the front edge of the cover.
responsibility of the truck owner. Thin, plastic smoothMake sure this rubber flap is not folded or rolled up
side rail covers can protect your side rails and theunder the tonneau after installation. If flap seal is
cover will mount directly on top of these. Materialsrolled up under the tonneau, simply open up the
such as 3M Scotch Cal or CabSkin protective filmstonneau and from the inside, just use a yardstick or
may be used to help prevent any possible paintsomething similar to simply push the flap seal out
damage also. You can ask your dealer for specificform under the tonneau and over the front edge of
recommendations about your truck.the truck bed (bulkhead).
2. UNDERCOVER Tonneau covers are designed for• Step 10: Close tonneau and check length on the
trucks that do not incorporate a Plastic over-the-railtruck. There should be a ¼ gap between the
Bed Liner. Trucks that have bed liners, will requiretailgate and the rear overlapping edge of the
some minor trimming of the liner to ensure propertonneau. If this is not correct, adjust by moving the
placement of the installation brackets.front brackets forward or back to achieve the
UNDERCOVER Installation Instructions:correct clearance here. Front brackets may also have
• Step 1: Place the rear bracket against the truckto be adjusted slightly to square up the tonneau on
stake pocket.some truck beds!
• Step 2: Use two of the holes in rear bracket• Step 11: Adjust lock strikes. When adjusted
which are unobstructed by the inside side lip of yourproperly, you should be able to turn the key to the
truck bed (there will be three to choose from). Iflocked position without having to push down on the
possible, use the two holes that are further aparttonneau. There should be just a very slight amount
from each other for a more secure fit.of play between the lock cam and the lock strike. A
• Step 3: Place bolt with washer through the hole.good rule of thumb is to adjust the lock by having
Place aluminum clamp on backside of bracket behindapproximately a 1/8 gap between the cam and lock
the bed lip of truck. Thread the bolt into the clampstrike with the truck tailgate down!! This usually gives
being careful not to let the clamp twist whileyou the proper adjustment once the tailgate is shut!!
tightening (Please keep the clamp straight (in the upRemoval of Cover Instructions: Fast and Easy
and down direction). Make sure the bracket is held• STEP 1: Open Tonneau and with a small
down tightly against truck rail and in the right positionscrewdriver (or equivalent), gently pry out retaining
before tightening!clip on hydraulic lift strut about 1/8. Then, with the
• Step 4: Repeat steps 1 and 2 for opposite sidepalm of your hand pop (gently strike) the strut to
rear bracket.remove the strut from the ball stud. DO NOT
• Step 5: Per instruction, position the front bracketCOMPELETLY REMOVE THE RETAINING CLIP!
accordingly along the inside of the side rail closest toHolding the tonneau cover up with one hand, place
the front corner of your truck bed. This bracket isthe loose end of the strut into the strut storage clip
clamped on the inside rail of the front corner of the(mounted underneath the cover) with the other hand.
truck (where you have a place to clamp to). ThisRepeat the procedure on the opposite side.
bracket is designed to sit onto the top rail of the• STEP 2: Remove Split rings from tangs on front
truck to provide you with a location to mount thebrackets. BE SURE TO COMPLETE STEP 1 BEFORE
front of the cover (so the front cover can hinge).REMOVING SPLIT RINGS.
Using pre-drilled holes in front bracket (which are• STEP 3: Tonneau is now ready for removal
customized for your truck), install clamps just as youRe-Installation of Cover Instructions:
did on the rear brackets (MAKING SURE THE BOLTS• STEP 1: Place tonneau on truck, positioning
ARE VERY TIGHT!!!). This position is a good startingfemale hinges on tonneau cover over tangs on front
point, but you may have to make some minorbrackets and install split rings into holes in male tang
adjustments in the bracket hardware due to slighton front brackets. Again, BE SURE TO INSTALL
variations in truck beds from one to the next.SPLIT RINGS BEFORE ATACHING THE GAS
• Step 6: Repeat step 5 for opposite frontSTRUTS IN STEP 2!
bracket.• STEP 2: Lift tonneau up with one hand, and with
• Step 7: Place tonneau on truck positioningthe palm of your other hand, firmly push the strut
female hinges on tonneau cover over the tangs ofover the ball stud of the rear bracket. You do not
the front brackets. (Tangs are basically a smallneed to pry out the retaining clip when re-installing
protrusion of metal that the female hinge fits onto).the hydraulic struts.
These tangs are the portions that protrude over the• STEP 3: Be sure that the front flap seal hangs
front rail and provide a surface for which the cover isover the bulkhead of the truck and is not rolled up
to hinge upon. One you install the female hinge overunder the tonneau after installation. This flap over
the tang on each side, you will install split rings toprovides you with additional weather resistance at
ensure that the cover is secure and does not movethe front edge of the cover. Make sure this rubber
forward. These split rings are very similar to theflap is not folded or rolled up under the tonneau after
design of a key ring or a shower curtain ring (ofinstallation. If flap seal is rolled up under the tonneau,
course it is of industrial quality and strength) and willsimply open up the tonneau and from the inside, just
remain shut. These split rings designed to hold theuse a yardstick or something similar to simply push
cover in place until the cover is to be removed.the flap seal out form under the tonneau and over
These rings are designed to be very secure whenthe front edge of the truck bed (bulkhead).
closed but are also designed for easy removal when