Bridgeport Hardinge 1 Series

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Summary

CHAPTER 3 - MAINTENANCE

2 J-HEAD Motor Removal

Procedure for removing the motor from the 2J-head, including steps for disconnecting power and releasing tension.

2 J-HEAD Drive Belt Replacement

Steps for replacing the drive belt on the 2J-head, involving motor removal and housing disassembly.

2 J-HEAD Timing Belt Replacement

Procedure for replacing the timing belt on the 2J-head, requiring motor removal and quill lowering.

2 J-HEAD Brake Shoe Replacement

Instructions for replacing brake shoes on the 2J-head, involving disassembly of the clutch hub assembly.

HEAD MAINTENANCE PROCEDURES

Micro Feed Trip Assembly and Quill Removal

Steps for removing the micro feed trip assembly and quill, including lubrication and reassembly checks.

Balance Spring Replacement

Procedure for replacing the balance spring, involving quill lock and housing rotation for tension release.

Feed Trip Adjustment

How to adjust the feed trip mechanism, focusing on locknut, trip handle, and micro nuts for proper tripping.

Collet Aligning Screw Replacement

Instructions for replacing the collet aligning screw, with a caution against premature nose cap removal.

GIB STRIP ADJUSTMENT

Adjustment of Table Gib

How to adjust the table gib using the tapered gib and adjusting screw for proper table movement.

Adjustment of Saddle and Knee Gibs

Procedure for adjusting saddle and knee gibs using tapered gibs, requiring chip wiper removal for access.

Adjustment of Knee Gib

Steps to adjust the knee gib by removing the chip wiper and adjusting the screw for smooth movement.

TABLE SCREW MAINTENANCE PROCEDURES

Backlash Adjustment

Procedure for adjusting backlash on the table screw, involving crank, withdraw, tighten, and lock screws.

CROSS SCREW ASSEMBLY MAINTENANCE PROCEDURES

Backlash Adjustment

How to adjust backlash on the cross screw assembly, by loosening and tightening screws for minimum play.

E-HEAD MAINTENANCE PROCEDURES

Changing the Gear Case Oil

Procedure for changing E-head gear case oil, including oil type, frequency, and vent screw caution.

Adding Oil to Oil Cup

Instructions for adding oil to the E-head oil cup 'E' before operating the unit.

Removing Motor

Steps to remove the motor from the E-head, involving loosening hex nuts on the belt housing.

Changing Speed

Procedure to change speed on the E-head by adjusting motor position and belt tension.

Removing Reduction Drive Unit or Ram

Detailed steps for removing the E-head reduction drive unit or ram, including belt, cover, and housing disassembly.