TM-9-2815-210-34-2-2 Page 148

TM-9-2815-210-34-2-2 LDS-465-1/LDS-465-2 Multifuel Engine Maintenance Manual Part 2

Page 148 of 968

TM 9-2815-210-34-2-2 4-7. PISTONS, CONNECTING RODS, AND RELATED PARTS. a. Cleaning. WARNING Use goggles, rubber gloves, and rubber apron when cleaning parts in carbon removing com- pound. Make sure there is enough ventilation. Be careful not to breathe in fumes or let com- pound touch skin. If compound is splashed on skin, flush with water and wash with alcohol, preferably 2 to 3 percent. FRAME 1 1. Clean pistons (1), rings (2), piston pins (3), and retaining rings (4) by soaking in carbon removing compound. 2. Clean piston ring grooves (5) with stiff bristle brush or fiber scraper. Do not scratch or gouge ring grooves. 3. Clean oil holes in lower ring groove of piston (1) with No. 23 (0.154-inch) drill GO TO FRAME 2 4-129