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N. Adjust the FLOW CONTROLS to control the speed of the arms in both directions so it takes
25-30 seconds to cover and uncover. These FLOW CONTROLS meter the flow in the reverse
direction which means that when you are COVERING, the FLOW CONTROL attached to the
"TEE" is controlling the speed and when you are UNCOVERING, the FLOW CONTROL
attached to the FLOW DIVIDER/COMBINER is controlling the speed. Adjust these flow
controls by turning the adjusting knob in a clockwise direction until the desired "COVER and
UNCOVER" time is achieved.
LOCK THE ADJUSTING SCREW IN PLACE BY TIGHTENING THE SCREW ON THE
SIDE OF THE KNOB. ONCE THE FLOW CONTROLS HAVE BEEN SET, THEY SHOULD
NOT BE TOUCHED.
5. INSTALLING THE TARP & LOADING THE ROLLER
A. Move the arms to the rear of the truck so the rack is against the stop. Unbolt one end of the
STABILIZER BAR from one arm.
B. Unroll the tarp and stretch out along the hoist of the truck. Slide the pocket in the rear of the
tarp over the tarp tube making sure the shock cords and black webbing are on the top of the tarp.
C. Center the rear of the tarp on the stabilizer bar and drill a 1/4" dia. hole thru the tarp tube
approximately 1" away from the edge of the tarp on both sides. Insert a 1/4" cotter pin thru the
tarp tube and spread fully. Note: the eye of the cotter pin should face toward the grommet on the
tarp. Install -1- Cover Spring to the eye of the cotter pin and then to the grommet on the tarp.
Squeeze the loops on the spring to close. These springs keep the tarp centered and stretched taut
on the tarp tube.
D. You are now ready to Pre-Load the Spring loaded Roller and attach the tarp. The tarp must
wind onto the roller in a CLOCKWISE direction, as viewed from the DRIVERS SIDE, therefore
the roller must be loaded in a COUNTERCLOCKWISE DIRECTION AS VIEWED FROM
THE DRIVERS SIDE OF THE TRUCK, FOLLOW THE DECAL ON THE ROLLER.
E. Place a mark on the end of the roller and turn the roller in a COUNTERCLOCKWISE
direction as viewed from the DRIVERS SIDE of the truck, until 40 turns (winds or revolutions)
are reached. Clamp the roller to keep it from unwinding while attaching the tarp using "Vise-
Grip" type welding clamps on both ends of the roller. The clamp should go around the roller and
the handle part of the clamp should rest against the base portion of the roller assembly to lock the
roller in place.
F. Bring the tarp UNDER the roller and over the top in a CLOCKWISE direction. Center the tarp
on the roller and fasten with -5- 3/4" long sheet metal screws and fender washers provided.
Unclamp the roller to allow the tarp to wind onto the roller. Try to keep the wrinkles out of the
tarp as it winds on the roller.
G. The shock cords on the top of the tarp are designed to fold the tarp upward and inward so the
9' wide tarp will roll up between the plates on the Roll Assembly. This is accomplished by
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