FRAME GP-SLIDING 3976739 - Caterpillar

Illustration 1 g03421857
Prepare the machine for maintenance. Refer to Operation and Maintenance Manual, "Prepare the Machine for Maintenance".
Inspect the Rollover Protective Structure (ROPS) for mounting bolts (3) that are loose or damaged. Replace any damaged mounting bolts and any missing mounting bolts with original replacement parts only. Tighten the mounting bolts to a torque of 800 100 N m (590 74 lb ft). Note: Apply oil to all bolt threads for the ROPS before you install the bolts. Improper bolt torque can result if you do not apply oil to the threads.Note: Do not reuse a bolt after the bolt has been removed.
Inspect the ROPS for pins (1) that are loose or damaged. Replace any damaged pins and any missing pins with original replacement parts only. Tighten loose bolts that retain the pins. There is a pin on each corner of the cab.
Inspect ROPS (2) for any cracks in the welds, cracks in the castings, or cracks in any metal section. Note: Do not weld reinforcement plates to the ROPS in order to straighten the ROPS. Do not weld reinforcement plates to the ROPS in order to repair the ROPS.
Inspect ROPS mounting supports (4) for loose bolts. Tighten any loose bolts for the ROPS mounting supports. Note: Do not weld on the ROPS mounting supports.Refer to Special Instruction, SEHS6929, "Inspection, Maintenance, and Repair of ROPS and Attachment Installation Guidelines" or consult your Caterpillar dealer for more information.For bolts with a torque specification that is not stated, refer to Specifications, SENR3130, "Torque Specifications".