JLG 110HX ANSI Service Manual - Manual (Page 82)

SECTION 2 - PROCEDURES
2-58 – JLG Lift – 3120636
6. Remove remaining eight bolts (2) which attach cover
(1) to ring gear 7.
7. Carefully remove cover assembly (1) from input gear
(18) together with outer thrust washers (8) and thrust
bearing 9. Remove and discard outer o-ring (6).
8. Remove thrust washer (17) from small diameter of
input gear (18).
9. Carefully withdraw input gear (18) from cluster gear
(11) and output shaft (30).
10. Rotate ring gear (7) and check that each of the three
cluster gears (11) incorporates a punched timing
mark.
11. Carefully withdraw ring gear (7) from assembly.
12. Carefully withdraw carrier assembly (10) from inter-
nal gear (19).
13. Remove and discard inner o-ring (6).
14. Remove inner thrust washers (8) and thrust bearing
(9) from counterbore in carrier assembly 10.
15. Carefully withdraw internal gear (19) from output
shaft (30).
16. If necessary, disassemble planet carrier assembly
(10) as follows:
a. Remove three pins (16) by gently tapping a suit-
able punch against the roll pin until the pin is
driven into planet shaft (15).
b. Using a suitable drift, carefully and gently tap
shafts (15) from carrier (10), ensuring that nee-
dle rollers (13) on each shaft are not damaged
or lost.
c. Lift cluster gears (11) from carrier (10) and
remove thrust washers (12), needle rollers (13)
and roller spacer (14).
d. Drive roll pins (16) from shafts (15) and discard
pins.
17. If necessary, disassemble hub and shaft assembly
(24) as follows:
a. Using suitable snap ring pliers, remove retaining
ring (20) from groove in output shaft (30).
b. Remove spacer shim (21) from output shaft.
c. Place hub in a suitable hand-operated hydraulic
press with external portion of shaft (30) down
and with suitable block supporting hub (24).
d. Using suitable protection between inner end of
shaft (30) and press cylinder drift, operate press
and carefully press shaft from inner bearing
assembly (22 and 23).
e. Remove seal (29) from shaft and discard seal.
f. Remove bearing cone (22) from cup (23).
g. Using press, remove bearing cups (23 and 27)
from hub (24) and cone (28) from shaft (30).
Cleaning and Inspection
1. Clean all parts thoroughly in an approved cleaning
solvent.
2. Inspect bearing components (22, 23, 27, 28) for
damage, pitting, corrosion or excessive wear.
Replace bearings as a complete set if necessary.
Figure 2-22. Torque Hub Carrier Timing