Thrust Bearing Preload
WARNING: This page is about a different variant/trim than selected.
- Select a suitable adjusting washer No. 1 so that dimension (H) will be zero in a visual check.
Position the washer (20 x 31 x 4) and a new lock washer (20 x 31 x 2.3).
CAUTION: Make sure the lock washer is facing the correct direction. - Tighten a new lock nuts using ST1, ST2 and ST3.
Tightening torque: 126 N.m (12.8 kgf-m, 92.9 ft-lb)
Preparation tool: ST1: HOLDER (18680AA020)
ST2: HOLDER (18667AA020)
ST3: SOCKET (27) (18662AA010)
- After removing the ST (HOLDER) used in step 2), measure the starting torque using ST3 and a torque driver.
Specification: 0.3 - 0.8 N.m (0.03 - 0.08 kgf-m, 0.2 - 0.6 ft-lb)
Preparation tool: ST1: HOLDER (18680AA020)
ST3: SOCKET (27) (18662AA010)
- If the starting torque is not within the standard value, select new adjusting washer No. 1 and recheck starting torque.
Adjusting washer No. 1 Part No. Thickness mm (in) 803025071 2.925 (0.1152) 803025072 2.950 (0.1161) 803025073 2.975 (0.1171) 803025074 3.000 (0.1181) 803025075 3.025 (0.1191) 803025076 3.050 (0.1201) 803025077 3.075 (0.1211) - If the standard starting torque cannot be obtained by the selection of adjusting washer No. 1, select adjusting washer No. 2 from the list below. Repeat steps 1 through 4 to adjust starting torque.
Starting torque Dimension H Adjusting washer No. 2 Low Small Select thicker one. High Large Select thinner one. Adjusting washer No. 2 Part No. Thickness mm (in) 803025070 2.850 (0.1122) 803025074 3.000 (0.1181) 803025078 3.150 (0.1240) - Recheck that the starting torque is within the standard value, and crimp the lock nut at two locations so that the dimension (B) becomes 20.1 mm (0.79 in) or less.CAUTION: When crimping the lock nut, be careful not to crack it.