MOUNTING GP-CAB 1987459 - Caterpillar

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Installation Procedure
1. Remove the existing 426-0426 Tensioner (1).
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2. Remove the 450-2396 Pulley (2) from the 426-0426 Tensioner and keep it.
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3. Grinding away the 426-0398 Bracket profile (3) from the 421-1030 Mount AS (4) in order to create room for the new design.
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4. Using a straight bar edge, ensure the alignment between generator and engine pulleys (5) and (6).
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5. Install the 483-0194 Plate (7) to the generator case, using 8T-4196 Bolts (8) and 8T-4121 Washers (9).
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6. Install the 450-2396 Pulley (9b) to the 483-0198 Tensioner (10) using 172-9966 Bolt (10a) and 7X-0584 Washer (10b).
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7. Install the 483-0198 Tensioner (10c) to the 483-0194 Plate (7) using the 280-8912 Bolt (11) and 8T-4121 Washer (13).
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8. Install the 491-4346 Plate (13), equipped with the 491-4347 Roller (14), to the 483-0194 Plate (7), using 8T-4200 Bolts (15) and 8T-4224 Washers (16).
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9. Install the 491-4351 Belt (17) to the drive belt system.
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10. Install the 6V-5683 Bolt (18) in order to set the tensioner
Note: as first installation, install the 6V-5683 Bolt in order to align the hole 2 of the 483-0194 Plate to the 2nd hole (looking at the holes pattern in counterclockwise) on the 483-0198 Tensioner (see below for reference B).
Note: Measure the belt tension (measured on side A): 32-33.5 Hz
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11. Install fenders, wheel and screed in order to restore the machine.
12. Start the machine couple of times in order to set the drive belt system.
13. Cut off the engine.
14. Check the belt tension in order to ensure the setting value.
15. Start the machine and run the heating system until all section are activated.
16. Shut down the heating system
17. Cut off the engine.
18. Check the belt tension in order to ensure the tension belt value is not decreased.