allen RS844, Operations & Parts Manual

Page: 34 / 130

057625 - 10/2012
SECTION 2
OPERATIONS
Page 2-8
2.2 Operational Control (continued)
The definitions below describe the controls and functions of the Roller Screed.
1. Operators Seat — Provides an unobstructed view of the work area. Seat is adjustable.
2. Control Panel — Contains all operating controls.
3. Drive Tube Lever (Engine Side)
— When activated this 3 position lever will cause the engine side
drive tube to rotate in a clockwise (forward) or counter-clockwise (reverse) direction. The center posi-
tion is neutral, no rotation. This drive tube is independent of the operator side drive tube.
4. Drive Tube Lever (Operator Side) — When activated this 3 position lever will cause the operator
side drive tube to rotate in a clockwise (forward) or counterclockwise (reverse) direction. The center
position is neutral, no rotation. This drive tube is independent of the engine side drive tube.
5. Frame (Operator End) — 7 foot (2.13 meters) section that consists of 2 rubber coated drive tubes
and associated hardware. This frame section is located just below the operators seat.
6. Serial Number Plate — When ordering parts, use information on this plate to identify model and
type of unit.
7. Hydraulic Hose Lines — Always keep hose lines clean. DO NOT allow foreign debris, dirt to enter
into the fittings. Dirt or foreign matter can contaminate the hydraulic fluid system and cause failure to
pumps, motors, and all other system components.
8. Power Unit — Provides the necessary hydraulics and electronics to operate the roller screed.
9. Jack Raise/Lower Handles
— Use these control knobs to operate the jacks.
10. Wheel Pins — There are 2 pins on each side of the wheel support. When transporting of the screed
is required, insert pull handle into these locking pins.
11. Paving Tube Hydraulic Motor
— Rotates hydraulic paving tube.
12. Scraper — Helps prevents excessive amounts of concrete from accumulating on the screed frame.
13. Transport Wheels — Allows for easy maneuvering of the screed around jobsite.
14. Truss Sections — Available in various lengths (2’ and above).
15. Paving Tube — Levels concrete surface to grade. Available in various lengths.
16. Drive Tubes
— There are 2 sets of rubber coated drive tubes that operate independently of each
other. Max speed is 150 rpm.