SPECIAL AR 3157224 - Caterpillar

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 g02594300
Move screed lift switch (8) to the FLOAT position. Move the screed lift switch on the right instrument panel to the FLOAT position.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 (8) to the HOLD position.Note: If the machine is in the dual hopper mode, either hopper switch operates both hoppers at the same time.
Move left hopper switch (5) to the LOWER position. Move right hopper switch (6) to the LOWER position. Fully lower the hoppers.
For machines equipped with a power apron, move apron switch (7) to the RAISE position. Fully raise the apron.
Illustration 3 g02595242
For machines not equipped with a power apron, manually raise apron (9). Use apron lock (10) to lock the apron in the fully raised position.
Illustration 4 g02564436
Move throttle control switch (11) to the LOW IDLE position. Hold the switch in this position for less than 1 second.
Illustration 5 g02563881
After the engine reaches low idle, move engine start switch (12) to the OFF position.
Illustration 6 g02595276
On the bottom of the drag conveyor, if any part of chain (14) hangs below the level of main frame (13), go to Step 14. If the chain does not require adjustment go to Step 17.
Illustration 7 g02595279
Remove cotter pins (15) from adjusting rod (17). Remove the adjusting rod from takeup shaft (16) and takeup shaft (18) .
Alternately adjust takeup shaft (16) and takeup shaft (18) until the sag in the drag conveyor chain is removed. Use adjusting rod (17) in order to turn the takeup shafts counterclockwise until the chain is tight.Note: Takeup shaft (16) and takeup shaft (18) must be tightened equally.Note: When the chain is under the correct tension, the bottom of the chain at any point will be level