Model 5200 High-Level Orderpicker
Section 7. Component Procedures
Mast Section
Mast Shimming
Shimming Procedure
prevent the bearing from walking on the stud shaft.
1. Elevate the mast to gain access to the bearings. 2. Place a block between the outer telescopic crosstie and the main frame. 3. Fully lower the carriage. 4. Turn the key switch OFF and disconnect the battery connector. NOTE: When removing the upper bearings, use caution not to let the bearing fall down into the mast assembly. If the bearings are worn or damaged, replace them. 5. Remove the bolt and roller stud sleeve securing the roller bearing to the respective mast or telescopic. 6. Remove the bearing. NOTE: It may be necessary to drive a wedge between the respective telescopics to provide clearance for removal and installation. 7. Remove the socket head cap screw and washer retaining the bearing on the stud. NOTE: Shim the main frame top bearing and the outer telescopic lower bearing set to a 0.000 ±0.010 in. overall interference. 8. Shim the outer telescopic upper bearing set to 0.000 ±0.010 in. overall interference with the inner telescopic after the top main frame bearings have been correctly shimmed. 9. Shim the inner telescopic lower bearing set to 0.000 ±0.010 in. overall interference with the outer telescopic after the outer telescopic lower bearings have been set.
Figure 7-208. Inner Race
14. Install the bearing assembly into its respective mast or telescopic. Make sure that the flat spot of the bearing stud aligns with the welded stop on the mast or telescopic. 15. Install the roller stud sleeve. 16. Apply thread-locking compound (P/N 1013829) to the threads of the mounting bolt and torque to 260 ft. lb. (352.5 Nm). 17. Reconnect the battery connector and turn the key switch ON. 18. Remove the block from between the outer telescopic and the main frame. 19. Test the operation of the elevating assembly.
10. Install or remove the required amount of shims. 11. Install the bearing on the shaft. 12. Apply thread-locking compound (P/N 990-536) to the socket head cap screw and fasten the screw and washer in place. 13. If the inner race of the bearing does not protrude past the end of the bearing stud when the bearing is fully seated, bend the flat washer to contact the bearing to
Publication Number: 1043922A, Revised: 2 Sept 2015
7-109
