Procedure For Setting Gear Backlash - JLG 1200SJP Service Maintenance Manual

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3.17 PROCEDURE FOR SETTING GEAR BACKLASH

1. Set backlash to 0.010 to 0.015" using the following pro-

2. Place shim (JLG p/n 4071041) between pinion and bear-

ing on the bearing high spot. The bearing high spot

should be stamped with an "X" on the surface below the

teeth and marked with yellow paint in the tooth space.

3. Torque the shoulder screw (shown below) to 660 foot-

pounds (896 Nm) with Loctite #271.

4. Remove the turntable lock pin.

5. Pre-torque the capscrews (shown below) to 90 foot-

pounds (122 Nm) with Loctite #271.

6. Tighten the setscrew (shown below) until the pinion is

completely snug against the shim and bearing and then

back off the setscrew.

7. Torque the setscrew to 50 foot-pounds (68 Nm).

– JLG Lift –

SECTION 3 - CHASSIS & TURNTABLE

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