17 drive torque hub. (see figure 2-34), Drive torque hub. (see figure 2-34) -41 – JLG 45e Service Manual User Manual

Page 64

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SECTION -

-38

– JLG Lift –

3120861

j.

Route hydraulic lines through center of turntable
and frame and connect as tagged prior to
removal.

k. Using all applicable safety precautions, activate

the hydraulic system and functionally check
swing system for proper and safe operation.

Swing Bearing Torque Values.

1.

Dry - 298 Nm.

2.

Loctite - 326 Nm.

Checking Worm Gear End Play.

NOTE: JLG Industries requires that a annual inspection be

performed on the worm gear end play.

1.

Using a dial indicator, measure end play of worm
gear, by applying side to side movement by hand to
platform.

2.

If tolerance exceeds.010", reduce end play to less
than.005". Refer to Adjusting End Play.

Adjusting End Play.

1.

Remove end plate.

2.

Measure and record total thickness of existing shim
pack.

3.

Determine thickness of shim pack required to obtain
+.001",-.005" end play.

4.

Adjust shim pack thickness as required to obtain
proper end play. Reduce end play by removing
thicker shims and replacing with thinner shims,
included in kit.

5.

Replace end plate and torque bolts to 90 ft. lbs. (122
Nm).

6.

Recheck end play.

2.17 DRIVE TORQUE HUB.

(SEE FIGURE 2-34)

Disassembly.

1.

Loosen all cover bolts (28 and 29) and drain oil from
unit.

2.

Remove the cover bolts (28 and 29) and lift off cover
(23). Remove and discard o-ring (22) from counter-
bore of cover (23).

3.

Remove input gear (24) and thrust washer (26).

4.

Lift out the carrier assembly (14) and top thrust
washer (27).

5.

Remove input thrust spacer (25).

6.

Lift out internal gear (13) and thrust washer (27).

NOTE: Eye protection should be worn during retaining ring

(9) removal.

7.

Remove the retaining ring (9) from the spindle (1)
and discard.

8.

Remove thrust washer (8) from the spindle (1).

Figure 2-33. Swing Bearing Torquing Sequence

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