TM 9-2320-272-24-1
3-169. REAR SPRING SEAT MAINTENANCE (Contd)
Pack grease on inside of spring seat (1) and repack inner bearings (4) and outer bearing (5) with GAA
grease (LO 9-2320-272-12).
NOTE
Perform step 1 if bearing races were removed.
Install bearing races (2) and (3) on spring seat (1).
1.
NOTE
Soak felt washers with oil before installation.
Install wiper ring (7), washer (8), two new felt washers (9), and packing retainer (10) on
2.
crosstube (6).
Install inner bearing (4) in spring seat (1)
3.
Install new grease seal assembly (11) over inner bearing (4) side of spring seat (1).
4.
Install spring seat (1) on crosstube (6).
5.
Install outer bearing (5) in spring seat (1).
6.
Install bearing adjusting nut (18) on crosstube (6).
7.
Connect hook tester scale in bolt hole (19).
1.
Tighten adjusting nut (18) and pull tester scale downward.
2.
NOTE
Bearings are correctly adjusted when pull on scale required to
rotate seat is 25-33 lb (11-15 kg) This is equal to 15-20 lb-ft
(20-27 Nm) preload on bearings.
Note pull required to rotate spring seat (1) around crosstube (6).
3.
Install key washer (17) and locking nut (16). Repeat steps 2 and 3 to ensure bearing adjustment
4.
does not change. Tighten locking nut (16) 150-160 lb-ft (203-217 Nm).
Install new gasket (15) and spring seat cap (14) on spring seat (1) with six new lockwashers (12)
5.
and screws (13). Tighten screw (13) 16-20 lb-ft (22-27 Nm).
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