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PLATE AS 3157222 - Caterpillar

3157222 PLATE AS Caterpillar parts PLATE
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Caterpillar 3157222 PLATE AS

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Diesel engine exhaust contains products of combustion which may cause personal injury.Always start and operate the engine in a well ventilated area, and, if in an enclosed area, vent the exhaust to the outside.
Personal injury can result from rotating and moving parts. Stay clear of all rotating and moving parts.Never attempt adjustments while the machine is moving or the engine is running unless otherwise specified.The machine must be parked on a level surface and the engine stopped.Attach a "Do Not Operate" or similar warning tag to the start switch and controls before servicing, repairing, or making adjustments to the machine.
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.
Drive the machine to a smooth, horizontal surface.
Illustration 1 g02544624
Move propel lever (1) to the NEUTRAL position.
Rotate speed dial (4) to the MINIMUM position.
Move parking brake switch (2) to the ON position.
Move propel mode switch (3) to the PAVE position.Note: The machine must be in PAVE mode in order to operate the screed lift system.
Illustration 2 g02544758
Move screed lift switch (5) to the FLOAT position. Allow the screed to lower to the ground.Note: The screed lift switch on both instrument panels must be in the FLOAT position in order for the screed to lower.
After the screed rests on the ground, move screed lift switch (5) to the HOLD position.
Illustration 3 g02547937
Move throttle control switch (6) to the LOW IDLE position. Hold the switch in this position for less than 1 second.
Illustration 4 g02549056
After the engine reaches low idle, move engine start switch (7) to the OFF position.
Illustration 5 g02556649
Open access panel (8) on the left side of the machine.
Illustration 6 g02593976
Measure the deflection along rear edge of chain (9), at the midpoint of the chain. Record the reading, measure the deflection along the front edge of the chain at the midpoint of the chain. Add the two measurements.
Deflection of chain (9) should be less than 6.4 mm (0.25 in).
If deflection of chain (9) is outside the specified range, adjust the chain tension with the following procedure.
Illustration 7 g02593996
Loosen, but do not remove, three bolts (10) .
Illustration 8 g02593997
Loosen lock nut (13) .
Hold bolt (11), and turn adjustment nut (12) until deflection of chain (9) is within the specified range.
Tighten lock nut (13) .
Tighten mounting bolts (10) .
Close left access door (8) .

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