JLG 1230ES Service Manual - Manual (Page 46)

SECTION 4 - BASE COMPONENTS
4-10 – JLG Lift – 3121222
4.7 DRIVE MOTOR/SPINDLE ASSEMBLY - INSTALLATION
Drive Motor/Spindle Assembly - Installation
(Left front shown - installation same for both sides)
1. DriveMotor/Spindle Assembly
2. 60mm External Retaining Ring
3. Spindle Retaining Washer
4. Knuckle Lug Attach Screws (a) 5. 60mm Thrush Washer
6. King Pin (welded to frame) (b)
7. Steering Knuckle Lug
8. Drive Motor Power Harness (c)
NOTE: Before removing the drive motor/spindle assembly, disconnect machine power then disconnect the
drive motor wiring harness (item 8) either from the power module and unstrap from the harness from
the steering arms, or by removing the drive motor cover and disconnecting from the motor.
(a) Remove the spindle retaining ring (item 2), lower and support drive motor/spindle assembly just
enough to access the top of the knuckle attach screws and remove them. On final assembly, apply
Loctite #271 to the spindle to knuckle lug attach screws and torque to 70 ft. lbs (97 N,m)
(b) Coat king pin with moly paste lubricant prior to installation of spindle assembly.