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Personal injury or death can result from sudden machine movement. Sudden movement of the machine can cause injury to persons on or near the machine. To prevent injury or death, make sure that the area around the machine is clear of personnel and obstructions before operating the machine. |
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Injury to personnel can result if they are not in the operator's view. Allow only essential personnel near the machine, and make sure the personnel are in the operator's view when testing, to prevent injury. Make sure checks are done in an open area. |
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Personal injury can result from rotating and moving parts. Moving fan blades and moving parts will throw or cut any object or tool that falls or is pushed into them. Make sure no one is working on, underneath or close to an engine that is running. Make sure the area is free of personnel. |
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| Required Tools | |||
|---|---|---|---|
| Tool | Part Number |
Description | Qty |
| A (1) | 1U-7771 | Tachometer | 1 |
| B (1) | 1U-6605 | Reflective Tape | 1 |
| C | 4C-6500 | Digital Thermometer | 1 |
| ( 1 ) | Tool (A) and Tool (B) are part of the 1U-6602 Photo-Tachometer . |
- Drive the machine to a smooth, horizontal surface.
- Move propulsion lever (2) to the NEUTRAL position.
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| Illustration 1 | g01162680 |
- Rotate speed dial (3) to the MINIMUM position.
- Move parking brake switch (6) to the ON position.
- Move right screed extension switch (7) to the EXTEND position. Release the switch when the right extension is fully extended.
- Move screed lower switch (6) to the DOWN position. Lower the screed to the ground.
- Move throttle control switch (5) to the LOW IDLE position. Hold the switch in this position for less than 1 second.
- Move engine start switch (1) to the OFF position after the engine reaches low idle.
- Move key switch (8) to the OFF position.
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| Illustration 2 | g01162684 |
- On front mounted screeds, open cover (9). On Extend-a-Mat 10-20B Screeds, remove plate (10) .
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| Illustration 3 | g01162687 |
Access to Vibratory Shaft on AS2301 Screed | |
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| Illustration 4 | g01162690 |
Access to Vibratory Shaft on Extend-a-Mat 10-20B Screed | |
- Place a piece of reflective tape (Tool (B) ) on vibratory motor shaft (11) on AS2301 Screeds or on vibratory motor shaft (12) on Extend-a-Mat 10-20B Screeds.
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| Illustration 5 | g01162691 |
Vibratory Shaft on AS2301 Screed | |
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| Illustration 6 | g01162692 |
Vibratory Shaft on Extend-a-Mat 10-20B Screed | |
- Rotate needle valve (13) on the vibratory flow control manifold in the fully clockwise direction.
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| Illustration 7 | g01162694 |
Typical Example of Extend-a-Mat 10-20B Screed | |
- Move key switch (8) to the ON position. Move engine start switch (1) to the START position. Release the engine start switch after the engine starts.
- Move throttle control switch (5) to the HIGH IDLE position. Hold the switch in this position for less than 1 second. The engine speed should increase to 2310 rpm.
- Monitor the hydraulic oil temperature with Tool (C). Operate the machine until the oil temperature reaches 43 ± 5.6°C (110 ± 10°F).
- Ensure that parking brake switch (6) is in the ON position. Make sure that speed dial (3) is in the MINIMUM position.
- Move vibrator switch (14) on the instrument panel to the ON position.
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| Illustration 8 | g01162696 |
- Move vibrator switch (15) on the right screed control panel to the ON position.
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| Illustration 9 | g01162698 |
- Move propulsion lever (2) to the full FORWARD position. Slowly rotate speed dial (3) until the vibrator motor starts. Do not rotate the speed dial beyond the point that the vibrator motor starts.
Note: Carefully monitor the machine for movement in the following two steps. If the machine begins to move at any time, immediately return the speed dial to the MINIMUM position. Repair the parking brake before you continue the test.
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Personal injury or death can result from sudden machine movement. Sudden movement of the machine can cause injury to persons on or near the machine. To prevent injury or death, make sure that the area around the machine is clear of personnel and obstructions before operating the machine. |
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- Have an assistant read the speed of the vibrator motor shaft with Tool (A). The speed should be 3000 ± 300 RPM.
- Move speed dial (3) to the MINIMUM position.
- Move propulsion lever (2) to the NEUTRAL position.
- Move vibrator switch (14) to the OFF position. Move vibrator switch (15) to the OFF position.
- Move throttle control switch (5) to the LOW IDLE position. Hold the switch in this position for less than 1 second.
- Move engine start switch (1) to the OFF position after the engine reaches low idle.
- Move key switch (8) to the OFF position.
- Close cover (9) or install plate (10) .
- If the speed of the vibrator shaft is outside the specified range, the pump or the vibrator flow control valve is faulty.