JLG 601S Service Manual - Manual (Page 89)

SECTION 3 - CHASSIS & TURNTABLE
3120866 – JLG Lift – 3-49
Swing Bearing Torque Values
1. Outer Race - 326 Nm (240 ft. lbs.) w/Loctite.
2. Inner Race - 326 Nm (240 ft. lbs.) w/Loctite.
3. See Swing Bearing Torquing Sequence.
CHECK THE INNER AND OUTER SWING BEARING BOLTS FOR
MISSING OR LOOSENESS AFTER FIRST 50 HOURS OF OPERA-
TION, AND EVERY 600 HOURS THEREAFTER.
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3.13 SWING BRAKE - AUSCO
Disassembly
1. With the shaft protrusion downward, disassemble
the parts in the following order; bolts (24) alternately,
washers (23), power plate (21), and gasket.
2. Remove the following parts; stationary discs (14),
rotating discs (12), primary disc (11), torque pins (3),
springs (8&9), and the spring retainer (7).
NOTE: If the bearing and seal are removed for any reason
both must be replaced.
3. Further disassembly is not recommended and
should not be attempted unless necessary to
replace the bearing (4), the seal (6), or the shaft (10).
If further disassembly is needed, proceed as follows;
a. The shaft (10) may be removed by pressing on
the end of the shaft with a shop press.
b. Using an appropriate tool, pry the seal (6) out
from the inside of the brake. Take care not to
damage the bore. Remove the retaining ring (5).
Tap the bearing (4) out with a plastic mallet.
4. Remove the piston (15) from the power plate (21) by
introducing low pressure air into the hydraulic inlet
Figure 3-39. Swing Bearing Torque Sequence