JLG 80HX_HX+6_HXER ANSI Service Manual - Manual (Page 41)

SECTION 3 - CHASSIS & TURNTABLE
3120271 – JLG Lift – 3-3
7. Inspect all threaded components for damage includ-
ing stretching, thread deformation, or twisting.
8. Inspect seal mounting area in hub for burrs or sharp
edges. Dress applicable surfaces or replace compo-
nents as necessary.
9. Inspect cover for cracks or other damage, and o-
ring sealing area for burrs or sharp edges. Dress
applicable surfaces or replace cover as necessary.
Repair
Cover Assembly.
1. Remove two bolts (25) securing disconnect cap (26)
to cover (23) and remove cap.
2. Remove two bolts (25) securing cover cap (24) to
cover and remove cap.
3. Remove disconnect rod (27) from cap and remove
o-rings (28,29) from cover cap. Discard o-rings.
4. If necessary, remove pipe plug (30) from cover.
5. Clean and inspect parts in accordance with step 2.
Replace parts as necessary.
6. If removed, screw pipe into cover.
7. Slip o-ring (29) over cover cap and against face.
8. Place o-ring (28) into cover cap internal groove. Dis-
connect rod may be used to push o-ring into
groove.
9. Place cover cap into cover with large hole located
over pipe plug. Secure cover cap to cover with two
bolts. Torque bolts to 70-80 in. lbs. (7.9-9.0 NM).
10. Place disconnect cap over cover cap with nipple fac-
ing out and secure with two bolts. Torque bolts to
70-80 in. lbs. (7.9-9.0 NM).
11. Turn cover over and push disconnect rod into cover
cap. Rod will be held in place by friction from o-ring.
Carrier Assembly.
1. Drive anti-roll pin (19) into planet (17) using a suit-
able punch.
2. Using a suitable press, press planet shaft from car-
rier 13. After planet shaft is removed, drive anti-roll
pin from shaft.
3. Remove cluster gear (18) and thrust washers (20,14)
from carriers.
4. Remove sixteen needle rollers (15) from cluster gear
bore.
5. Remove spacer (16) from cluster gear bore and
remove second set of sixteen needle rollers (15).
6. Repeat steps 1 thru 5 for remaining two cluster
gears.
7. Clean and inspect all parts in accordance with para-
graph b. Replace parts as necessary.
8. Apply a coat of grease or petroleum jelly to cluster
gear bore.
9. Place sixteen needle rollers into cluster gear bore.
10. Place spacer into opposite side of cluster gear and
against needle rollers.
11. Place second set of sixteen needle rollers into clus-
ter gear.
12. Apply grease or petroleum jelly to tang side of two
thrust washers. Place thrust washers against bosses
in carrier with washer tang fitting into slot in carrier
outside diameter.