PREVENTIVE MAINTENANCE SCHEDULE 5 (03/17) Y53-6077-1B1 5-35 PREVENTIVE MAINTENANCE (PM) INTERVALS SYSTEM COMPONENT MAINTENANCE TASK Recommended PM Interval I A B C D E Battery Boxes, Tool Boxes, and Steps Battery cables Check the condition of the cables, cushion clamps, nylon tie straps, and routing. Replace a cushion clamp if the rubber has deteriorated. Repair or tighten terminals, and secure cables to prevent chafing. Replace damaged cables (cuts, cracks, or excessive wear) (shown on page 5-87). X Batteries (ON HIGHWAY and LINE HAUL) Check for cracks and damage, electrolyte level, condition of terminals, and tightness of holddowns (shown on page 5-87).
X Batteries (OFF- HIGHWAY) Check for cracks and damage, electrolyte level, condition of terminals, and tightness of holddowns (shown on page 5-87). X Battery box and tray (ON HIGHWAY and LINE HAUL) Check the box integrity. Clean the drain tube and check for acid leaks. Check condition of all equipment mounted under the box. X Battery box and tray (OFF-HIGHWAY) Check the box integrity. Clean the drain tube and check for acid leaks. Check condition of all equipment mounted under the box. X Battery Cable Fasteners Check battery cable fasteners and tighten as necessary to 10-15 Lb. ft. (13.6-20.3 N.m.) as specified on the battery label. X