4045 Karona Ct. • Caledonia, MI 49316
(616) 656-6886
Fax (616) 656-3771
FoldaCover Twist Lock Replacement Instructions
Notes to Installer:
• Install Parts as shown on illustrations.
• Apply a dab of lock tight to each fastener before use.
Notes to customer:
• Record the key number and place in glove box or write it in your owner’s manual.
• Refer to the Operation and Care Label located on the underside of the rearmost panel
on cover (driver’s side).
• Locks and Rod alignments need to be checked periodically with possible adjustments to
insure proper operation.
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A
B
C
D
E
F
G
H
I
J
A
3520
3521-0XX
3522
3523
3524
3526
3525
3527-FAC
3528
3529-0XX
B
Top Lock Cup
Twist Actuator
Bottom Lock Plate
Twist Lock Gasket
Top Lock Cover Gasket
27mm Twist Lock Retaining Nut
Dust Cover Gasket
Dust Cover
Twist Lock Screw
Twist Lock Keys
D
C
F
E
฀
G
H
J
I
฀฀
฀
฀
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Loosen set screw on Lock stop with a 3\32” Standard
Allen Wrench.
Next move Lock Stop inboard approximately 8” as shown.
Tabbed Washer
SPRING
Remove Lock Cover by removing 4-phillips head screws
(You will reuse the Cover & the 4 - screws in step #31).
Remove C-Clip by removing with a Flat Head
screw driver.
฀
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฀
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฀
Note Locations of spring and tabbed washer.
Move mechanism up 1/4” and push back for
access to spring and tabbed washer.
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Note location of spring and remove. ( Do not Discard you
will reuse the Spring in step 21).
Note location of tabbed washer and remove ( Do not
Discard you will reuse the washer in step 24).
9
Remove tumbler lock nut with an adjustable wrench.
10
Remove bottom lock plate.
฀฀
SILICONE
฀
12
11
Use your finger to push the Top Lock Cup through the
panel.
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Use alcohol to clean dirt & debri on cover surfaces before
installing new lock. Now place 3524 Top Lock Cover
Gasket as shown in (Grey). Next apply new silicone
(not included) completely around inside surface as shown.
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1
2
13
Assemble 3527 ( Dust Cover) & 3520 (Top Lock Cover)
as shown. Note the stand off tabs and orientation of 3527.
14
Install assembly as shown, making sure of correct
orientation. Arrow # 1 points toward the trucks cab.
Arrow #2 is pointing toward the tailgate.
15
16
Install bottom plate aligning it with the tab on the top plate.
2
17
Make sure 3521 (Twist Lock) is unlocked (The black part of
the lock rotates freely). Orientate 3521 as shown the flats
will align, Locate the Locks Serial numbers as shown.
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18
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Install the 3523 (Twist Lock Gasket)
onto the actuator as shown.
1
Place the assembly on panel as shown. Rotate lock CCW
as with arrow #1. Arrow #2 points toward the tailgate.
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19
21
฀ ฀
Place 3526 (Twist Lock Retaining Nut) as shown. Take
2 of the Phillips Head Screws you removed in step #3
and assemble finger tight as shown above.
Place spring back as shown above.
20
22
24
23
Twist mechanism about 80° to load the spring.
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Tighten with an adjustable wrench or 27mm open
end wrench, Be sure not to over tighten.
Move mechanism back to location.
Place tabbed Washer in above position be sure to
place tab down & tang should locate against the
mechanism.
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25
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Use a 10mm Nut driver or adjustable wrench be
sure tabbed washer stays located as shown. Be careful
not to over tighten.
26
Rotate the lock to the open position making sure that no
binding occures and that the locks spring force returns
the lock to the neutral or closed position.
28
Adjust hex rods as necessary for correct engagement
with side rails. Recheck the alignment on the right side.
30
Use the key to lock the cover, check the cover
making sure it is locked. Work the lock a few more times
to ensure working properly.
25 In. Lbs
27
If binding does occur then catch post adjustments
are needed, loosen both hex rod retaining bolts.
25 In. Lbs
29
Now that you have correct alignment with the side rails
tighten both hex rod adjustment bolts. Now remove
the 2 phillips head screws holding lower plate.
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31
Replace the (4) phillips head screws be sure not to
over tighten.
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32
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Repeate steps #1 - #31 for replacement of lock on
panel #1 (Panel #1 is the first panel behind the cab.
02-2005