ASI LOMAX User manual

Thank you for purchasing a LOMAX®Folding Hard or Professional Series Cover.
Agri-Cover, Inc. proudly manufactured this cover using superior quality materials
and workmanship. With proper care, your cover will provide years of service and
enjoyment.
NOTICE TO INSTALLER: Even if familiar with cover, read instructions prior to
installation as improvements may be made without notice. Always handle cover
and components with care. If you have questions or problems, have serial number
ready and call customer service. When done, these instructions must be given to the
consumer.
NOTICE TO CONSUMER: Before using cover, read operating, maintenance and safety
sections. Save these instructions for future reference.
FOR YOUR RECORDS
DATE PURCHASED:
WHERE PURCHASED:
SERIAL NUMBER:
(Located on decal under rear panel)
INSTALLATION INSTRUCTIONS
Questions? 844-566-2987
agricover.com

2
PARTS DIAGRAM
PREPARATION
Unpack cover components and clean truck box if dirty. For additional installation
assistance, go to lomaxcovers.com for install video.
COMPONENTS
• (8) Clamps
• Driver side rail
• Passenger side rail
• Pre-folded cover assembly
TOOLS NEEDED
• 1/2” Wrench
• Torque wrench with 1/2” socket
• Protective eyewear
• 7/16” Wrench (optional)
• Spring clamp (optional)
NOTE: Under the rail drop-in bed liner requires minimal modication at front corner
of box and back by tailgate. Over the rail drop-in bed liner requires considerable
modication.
NOTE: For additional protection against the elements, locate and seal miscellaneous
factory holes, crevices, stake pockets, etc. that may be in box (sealant not included).
NOTE: Tonneau cover and side rail appearance may vary. Typically a vehicle with a
short box or smaller is provided with two solid side rails.
!CAUTION: Over torquing hardware may damage components.
Clamps
Driver side rail
Front catch
toward front
of box
Rear
Latches on
rear panel
Cover assembly
Passenger
side rail
Front (closest to cab)
Storage clip retainers

2 3
1: INSTALLING SIDE RAILS
NOTE: Some installs require special
instructions. If required, follow special
instructions for side rail attachment along
with these standard instructions.
A. Position side rail with weather strip
against inside lip of box, front catch toward
front of box and side rail guide set on top of
box. Push side rail forward until it touches
front of box.
Side rail guide provides proper side
rail placement
Front catch and side rail touching front of
box
B. At front hold side rail with assistance of
another person or a spring clamp.
C. Install rst clamp as close to front of
box as possible with clamp orientation that
provides best grip, turn nut nger tight, then
use 1/2" wrench to tighten.
IMPORTANT: To keep side rail secured
on truck, ensure clamp teeth engage
grooves on side rail.
Position 1st
clamp as close
to front of box as
possible
NOTE:Images below illustrate clamping options. Option A depicts standard clamping
orientation lower on the side rail. Option B depicts alternate clamping orientation with
half of clamp assembly rotated 180° to provide better grip at top of side rail.
D. Verify side rail is level. If side rail is not level, perform one of the following:
If side rail tilts up: loosen and lower clamp, engage teeth and then retighten clamp.
If side rail tilts down: loosen and raise clamp, engage teeth and then retighten clamp.
This surface of
side rail should
be level
Adjust clamps
up or down until
they hold side
rail level when
tightened
Side rail guide set
on top of box
OPTION A OPTION B
This surface of
side rail should
be level
Adjust clamps
up or down until
they hold side
rail level when
tightened
Side rail guide set
on top of box

4
1. INSTALLING SIDE RAILS (Continued)
E. With side rail guide set on top of box, install second clamp on side rail 1/3rd from front
of box. Repeat clamping procedure.
F. With side rail guide set on top of box, install third clamp 2/3rds from front of box. Repeat
clamping procedure.
G. At rear of box with side rail guide set on top of box, install rear clamp as close to
tailgate as possible. Repeat clamping procedure.
IMPORTANT: Ensure all clamp teeth engage side rail grooves.
3rd Clamp 2nd Clamp 1st Clamp
4th Clamp
1/3rd from
front of box
2/3rds from
front of box
NOTE: For trucks with electric tailgates, typically side rail must be installed slightly higher
to eliminate interference.
H. Repeat Step 1 to install side rail on opposite side.
I. Torque all clamps to 20 ft-lbs or value specied in special instructions (if supplied).
2. INSTALLING COVER
A. At front of box, lift folded cover above side
rails and place leading edge of front panel
on front rails.
B. Hold cover rear edge 1” above side rails
and slide cover hooks underneath front rail
catch on each side.
Cover hook
underneath
front rail catch

4 5
2. INSTALLING COVER (Continued)
C. With cover hooks engaged underneath
front catches, lower cover to engage latches
in retainment brackets on each side.
Latch
Retainment
bracket
D. Attach safety straps to brackets on each
side.
IMPORTANT: Always ensure safety straps
are attached to cover and side rails.
Safety strap
carabiner
attached to
bracket
E. Unhook storage clips at front of cover and
unfold middle panel toward tailgate.
Unhook storage
clips on both sides
F. Unfold rear panel toward tailgate.
IMPORTANT: Always ensure hooks and
latches fully engage catches and side
rails.
NOTE: After installation, cover should remain
on truck box in closed position for at least
48 hours. During this time period the cover
typically conforms to truck box. Latch engages side rail
at rear of box

6
TROUBLESHOOTING
PROBLEM SOLUTION
Top of tailgate hits cover when attempting
to close
Verify side rail guide is set on top of box.
Side rails are not level or set too low at
rear of cover, raise rails at rear of box until
cover no longer interferes with tailgate
operation (see Step 1).
Gap between cover and truck box or
tailgate
Verify side rail guide is set on top of box.
Side rails are not level or set too high
(see Step 1).
Seal on edge of cover is not sealing tight
with top of side rail and truck box
Verify side rail guide is set on top of box.
Check side rails for height and level
(see Step 1).
Latch doesn’t engage Check side rails for height and level (see
Step 1). Inspect latches for jammed or
broken parts.
Cover is not parallel with side rails With cover installed on box, loosen
hardware on both retainment brackets
with 7/16” wrench (DO NOT REMOVE
HARDWARE). Unfold cover to closed
position and square up with box. Carefully
fold cover back to open position and
retighten retainment bracket hardware.

6 7
OPENING TRI-FOLD COVER
IMPORTANT: To avoid damage or
misalignment of hinge points, open cover
in a smooth, uid manner. Avoid dropping
or slamming cover.
IMPORTANT: Remove debris or snow
from hinges before opening cover.
A. Open tailgate, pull release latch.
B. Fold panels toward the cab.
C. Fasten storage clips on both sides.

8
CLOSING TRI-FOLD COVER
IMPORTANT: To avoid damage or
misalignment of hinge points, close cover
in a smooth, uid manner. Avoid dropping
or slamming cover.
IMPORTANT: Remove debris or snow
from hinges before closing cover.
A. Open tailgate, unfasten storage clips on
both sides.
B. Unfold panels toward tailgate.
C. Always ensure hooks and latches fully
engage catches and side rails. Close tailgate.

8 9
REMOVING AND REINSTALLING COVER
REMOVE COVER
A. With cover open and storage clips secured,
detach safety straps from safety brackets.
B. Pull tab on front panel and lift rear edge of
cover 1” above side rails (Figure 1).
C. Slide cover back to disengage hooks, then
lift to remove (Figure 2).
D. Attach safety strap carabiner to retaining
loop.
Safety strap carabiner
attached to bracket
Latch release tab
REINSTALL COVER
A. At front of box, set front edge of cover on
side rails and hold rear edge 1” above rails
(Figure 1).
B. Slide cover forward to engage hooks
underneath catches (Figure 2).
C. Lower cover to engage latches in
retainment brackets.
D. Secure safety straps to safety brackets
Figure 1
Rear
1”
Front
Figure 2
!WARNING: ALWAYS PROPERLY SECURE COVER
Failure to execute these steps may result in severe damage and will void your
warranty.
1. Cover hooks engaged underneath rail catches.
2. Latches engaged in retainment brackets.
3. Safety straps attached to safety brackets.
4. Fasten storage clips if open.
1
4
2
3

10
SAFETY INFORMATION
• Always ensure hooks and latches fully engage catches and side rails.
• Ensure safety straps are attached to safety brackets when cover is installed.
• Do not tow vehicle backward with cover on your truck.
• Do not cover cargo that is higher than the cover.
• Do not place object(s) on or against the cover or its framework at any time.
• Always secure cargo to ensure it does not damage cover or framework.
• Remove debris, snow, or ice from cover and hinges before opening or closing cover.
• Do not use the cover’s framework to tie down cargo.
• Never stand, sit or ride on the cover or allow others to do so.
• Cover does not eliminate moisture and dust from entering the truck box. Special
wrappings or packaging of the cargo may be necessary.
• Due to poor ventilation, if you allow a pet/animal in the box, leave cover open. Do not
allow people or animals to occupy box with the cover closed.
• Use caution when operating cover in windy conditions.
• Keep cover completely closed or open and secured with storage clips. Do not
attempt to drive with the rear panel in the partially open position.
• Use caution when cleaning cover and components with a pressure washer. Using a
pressure washer too close to the cover may damage paint, hinge or seal.
• Keep cover closed when going through automatic car washes.
• Keep hands and ngers away from all pinch points.
• Never use latch cord to lift or fold cover.