TM 10-3930-659-20 5-28. ENGINE RADIATOR REPLACEMENT (Con't). b. INSTALLATION WARNING Use  extreme  caution  when  handling  heavy  parts.    Lifting  device  Is  required  when  parts  weigh over 50 lb (23 kg) for a single person lift, over 100 lb (45 kg) for a two person lift, and over 150 lb (68 kg) for a three or more person lift.  Keep clear of heavy parts supported only by lifting device. Failure to follow this warning may cause serious Injury or death to personnel. 1. Install engine radiator (2) on frame (5) with washer (3) and screw (4). 2. Install washer (1), clip (6), washer (7), and screw (8) on frame (5) and engine radiator (2). FOLLOW-ON TASKS: • Install engine radiator shroud (see paragraph 5-31). • Fill engine cooling system (see paragraph 5-38). 5-83