Herd Defender Series Manuel utilisateur
1
Installation guide
1-888-543-4373
www.HERD.com
1-888-543-4373
Part No: S004
Rev: B
Date: 06-Jun-16
Important
Herd Bumpers are vehicle "Make & Model" specific. Use of a bumper on a vehicle other than the model it was
designed for will constitute improper use of the product and may void warranty.
Unless otherwise specified, Grade 8 or Class 10.9 hardware is to be used. For the purposes of these
instructions, OE hardware means the truck's original factory hardware.
For further detail of warranty coverage and warranty repair information visit www.HERD.com.
Product
Series
Lift Assist
Defender
DFLT
General Safety
Take time to fully read the instructions before installing the Lift Assist mechanism.
At all times exercise safe work shop practices, wear steel toe boots and safety glasses during installation.
Parts and components of the Herd bumper can be heavy, handle with care to avoid injuries.
Respect power tools and use them as advertized.
For assistance call
1-888-543-4373
www.HERD.com
Thank you for choosing HERD!
HERD North America Inc.
2168 Springfield Road
Box 28, Group 525, RR5
Winnipeg, MB. Canada R2C 2Z2
Parts and tools referenced in this instruction
2
1-888-543-4373
www.HERD.com
1-888-543-4373
Part No: S004
Rev: B
Date: 06-Jun-16
Parts and hardware included
Tools Required
Tool
Specification
Ratchet
-
Torque wrench
-
Socket
9/16” or 14 mm
Wrench
9/16” or 14 mm
Item No
Part No
Description
Qty
1
1MPA023
Defender spring hanger subassembly
2
2
1-MC-TS-4-RH
157.5 right handed torsion spring
2
3
1-MC-TS-4-LH
157.5 left handed torsion spring
2
4
1HN014
Washer
4
5
HP 0.125X2.5
1/8” X 2-1/2” hair pin
4
6
HB 0.375-16x1.25 FT GR8
3/8”-16 X 1-1/4” hex bolt, fully threaded, grade 8
6
7
NLN 0.375-16 GR8
3/8”-16 nylon lock nut, grade 8
6
8
FW 0.375 GR8
3/8” flat washer, grade 8
12
1
3
2
4
5
8
6
7
Installation Procedure
3
Part No: S004
Rev: B
Date: 06-Jun-16
1-888-543-4373
www.HERD.com
1-888-543-4373
1. Open bumper and attach spring
hanger subassemblies (Item 1) to
mounting bracket as shown. Fully
tighten bolts to 45 ft-lb.
Figure 1 –Spring hanger subassembly installation.
2. Feed torsion springs
(Items 2 and 3) onto spring
hanger shafts as shown. Do not
slide springs all the way down the
shaft. Ensure there is clearance
so that spring arms will not
collide with spring hanger
mounts when closing bumper.
Figure 2 –Torsion spring placement.
3. Close the bumper. When viewing
from the back, rotate the springs
into alignment with their
corresponding retaining holes
and insert spring arms into holes.
Completely slide spring arms into
holes until they stop. Do this for
all four springs.
Figure 3 –Torsion spring installation.
1
8
6
45 ft-lb
3
1
2
3
1
2
3
1
2
7
8
Installation Procedure
4
Part No: S004
Rev: B
Date: 06-Jun-16
1-888-543-4373
www.HERD.com
1-888-543-4373
4. Open the bumper. Install washers
(Item 4) onto spring hanger
shafts to retain springs in place.
Figure 4 –Washer installation.
5. Insert hair pins (Item 5) through
holes of spring hanger shafts to
retain washers and springs. Close
the bumper to ensure Lift Assist
mechanism works as intended.
Installation is complete.
Figure 5 –Hair pin installation.
1
1
4
1
1
5
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1
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