P/N 1121681 Rev. P
15
2" Roll Tube Extension Installation
-
Standard Roll
- cont'd
STEP 11
: When both front and rear flex arms are vertical, drill
3/16" holes and fasten bearing ring to roll tube with
two rivets.
STEP 10
: Adjust rear roll tube extension to align flex arm on
vertical plane parallel to face panel. Do not drill holes
and/or fasten until tarp and roll tube are in desired
position.
STEP 12
: Fasten tarp to roll tube with existing U-clamps and
screws. Tighten all fasteners securely. Tighten front
and rear flex arm connections.
2"
roll
tube
drill
3/16"
holes
NOTE:
Verify again that flex arm is on vertical plane and
parallel to face panel before proceeding. Make sure all
fasteners holding motor to upper flex arm bracket are
tightened securely.
STEP 8:
Fasten and secure roll tube to electric motor shaft with
screw
O
and lock nut
W
. Install bearing spacers, radial
ball bearings and bearing mount retainer and secure
with nuts
Q
.
bearing
ring
WARNING
!
Flex arms are under tension while torsion springs
are engaged. Use caution while assembling and
disassembling arms. Failure to read and follow
instructions could result in serious injury or death.
NOTE:
To prevent rust, paint all exposed metal, such as weld
seams and/or metal exposed by grinding or cutting, with
corrosion-resistant paint.
STEP 7:
Slide roll tube/roll tube extension weldment back into
position and align upper flex arm on front of trailer. Fol
-
low step 8 to install motor, positioning motor as shown
below. Make sure torsion springs load when tarp opens.
face
panel
pivot
bracket
roll
tube
electric
motor
bearing
mount
retainer
radial
ball
bearing
bearing
spacer
STEP 9:
Fasten motor cover onto motor with screws
A
.
motor
cover
motor
Q
W
O
A
rivet
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 ...
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