JLG 1850SJ Service And Maintenance Manual page 417

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Table of Contents

9. Assemble the bearing blocks and gears.

Lubricate the journals and the gear faces.

Assemble the bearing blocks and gears. Ensure that the

recessed bearing faces are installed adjacent to the gear

faces. Align all assembly marks made during disassem-

bly. Ensure the front and rear bearing blocks occupy the

same location with respect to the housing as before dis-

assembly. Ensure that the relative position of the gear

mesh is maintained as before disassembly. Misalign-

ment of the gear teeth may increase operating noise.

10. Install the gear block assembly.

Install the bearing block and gear assembly into the

body cavity. Align the assembly marks to ensure that the

gear block assembly is installed with the same orienta-

tion as before disassembly.

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS

11. Clean the mating surfaces.

Remove any excess lubrication and grease from the mat-

ing surfaces of the pump body. Ensure that these sur-

faces are dry and free of contamination before moving

on to the next step.

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