TM 10-3930-659-20 CHAPTER 13 FRAME AND TOWING ATTACHMENTS MAINTENANCE Paragraph Page Number Paragraph Title Number 13-1 Engine Frame Stepladder Replacement.......................................................... 13-1 13-2 Engine Compartment Step Maintenance  ........................................................ 13-3 13-3 Counterweight Replacement ........................................................................... 13-6 13-4 Pintle Hook Maintenance  ............................................................................... 13-8 13-5 Boom Lock Replacement  ............................................................................... 13-11 13-1. ENGINE FRAME STEPLADDER REPLACEMENT. This task covers: a. Removal b. Installation Initial Setup: Tools/Test Equipment: • General mechanic's tool kit (Item 44, Appendix F) a. REMOVAL Remove eight nuts (5), washers (6), bolts (4), washers (3), and stepladder (2) from four brackets (1). TA706750 13-1