P/N 1121681 Rev. P
9
STEP 1:
Install cap plug on lower flex arm. Fasten spacer
tube into spring support bracket on lower flex arm
with screw
L
, two flat washers
b
and lock nut
T
.
Rear Flex Arm Installation - 2" Roll Tube - Standard Roll
Item Part #
Description
1. 1704942 Rear Arm Bearing Ring
2. 1121430 Bearing Mount Box
3. 1704892 Cap Plug
4. 1121293 Upper Flex Arm - Bearing
5. 1121413 Bellow Plate - Round Holes
6. 1121414 Bellow Plate - Square Holes
7.
Flex Arm Joint
8. 1704775 Bellow - HD Series Arm
9. 1704891 End Fitting
10. 1121294 Lower Flex Arm w/Warning Decals
11. 1702888 Retaining Ring - 1 1/4"
12. 1117033 Spacer Tube - .35" x 2 5/8"
13. 1111027 Spiral Torsion Spring
14. 1706103 Blind Rivet - 3/16"
I. 1701455 Carriage Bolt - 5/16" x 2 1/2"
J. 1704943 Shoulder Bolt - 3/8" x 2" -
5/16" x 1/2" Thd.
L. 1201022 Cap Screw - 5/16" x 3 1/2"
S. 1704931 Flanged Nylon Lock Nut - 5/16"
T. 1700419 Nylon Lock Nut - 5/16"
a. 1702890 Flat Washer - 1 1/4"
b. 1700428 Flat Washer - 5/16"
e. 1118318 Spacer Washer - 1/4" x 1.28"
6
2
3
1
5
12
7
8
10
spacer
tube
11
spring
support
bracket
on
lower
flex
arm
NOTE:
Insert cap screw through flex arm so head of screw
is on inside of assembly (towards trailer). Warning label must
be in plain view on outside of assembly.
4
3
warning
decal
cap
plug
L
b
b
T
6
13
9
J
L
S
I
a
b
e
T
I
S
STEP 2:
Install cap plug on
rear upper flex arm.
cap
plug
upper
flex
arm
STEP 3:
Fully thread end fittings onto both ends of flex arm
joint. Tighten so end fittings are parallel.
flex
arm
joint
end
fitting
end
fitting
WARNING
Flex arms are under tension while torsion springs are
engaged. Use caution while assembling and disas-
sembling arms. Failure to read and follow instructions
could result in serious injury or death.
!
WARNING
Do not stand or climb on flex arm.
Standing or climbing on flex arm
could result in fall/impact causing
serious injury or death.
!
14
pivot
mount
bracket
assembly
Summary of Contents for 4500 HD Series
Page 1: ...Aluminum System for Grain Trailers standard roll P N 1121681 Rev P ...
Page 35: ...P N 1121681 Rev P 32 Notes ...
Page 36: ......