TM 9--2815--247--34 0054 00--6 FAN DRIVE CLUTCH ASSEMBLY AND ASSOCIATED PARTS REPAIR -- CONTINUED 0054 00 Disassembly -- Continued 12. Press fan drive hub assembly (22) from ball bearing (30) using an arbor press (18). Figure 55 18 30 22 22 30 Inspection 1.   Inspect three springs (25) for broken coils, or distorted condition. Replace springs if defects are found. 2.   Measure free length (31), length with load (32), and maximum solid height (33) of three springs (25) using spring tester. Replace springs if not within the following limits. 3.   Measure the spherical diameter (34) of six ball bearings (26). Replace ball bearings if not within the following lim- its. REF NO POINT MEASUREMENT SIZES AND FITS OF NEW PART inches (mm) WEAR LIMITS 31 Approximate free length of spring 1.19 (30.226) none 32 Scale reading of spring at 0.807 inch (20.4978 mm) 31 lb (14.074 kg) 39 lb (17.706 kg) none 33 Maximum solid height of spring 0.607 (15.4178) none 34 Spherical diameter of ball bearings 0.6240 (1.8496) 0.6260 (15.9004) none Figure 55 32 34 31 33 26 25