JLG M400 ANSI Service Manual - Manual (Page 47)

SECTION 3 - CHASSIS & TURNTABLE
3121125 – JLG Lift – 3-5
Disassembly
1. Loosen and remove hex head bolts (53) to remove
cover (51).
2. Remove shaft rod (56) and “o” ring (54).
3. Remove sleeve (52).
Disassembly of the first stage planetary
assembly (7)
1. Push sun gear shaft (43) out of the first stage.
2. Remove snap rings (14).
3. Press planet pins (5) out of the planet gears (2).
4. Pull cylindrical roller bearing (10) out of the planet
gears (2).
5. Remove snap ring (16) from sun gear (3) and
Remove planet carrier (7) from sun gear (3).
6. Remove thrust washer (49).
Disassembly of second stage planet gears
(1)
1. Press cylindrical roller bearings out of planet gears
(1).
Assembly of first stage planetary assembly
(7)
1. Pre-freeze planet pins (5) and install into planet car-
rier (7).
2. Install planet carrier (7) together with planet pins (5)
on sun gear (3), and install snap ring (16).
3. Pre-heat thrust washer (49) and Install onto sun gear
shaft (43).
4. Put sun gear shaft (43) into sun gear (3).
5. Pre-heat support disk (17) and install onto planet
pins (5).
6. Pre-heat cylindrical roller bearings (10) and install
onto planet pins (5) and fix bearings with snap rings
(14).
Assembly of end cover unit (8)
1. Press sleeve (52) into cover (8).
2. Install “o” ring (54) into groove of cover (8).
3. Install shift rod (56) into cover (8).
4. Install the cover (51) into cover (8) and fix cover (51)
with hex bolts (53). Tighten bolts with torque wrench
to 6.3 ft. lbs. (8.5 Nm).