Table Of Contents - Grizzly G0726 Owner's Manual

INTRODUCTION ............................................... 3
Machine Description ...................................... 3
Contact Info.................................................... 3
Manual Accuracy ........................................... 3
Identification ................................................... 4
Machine Data Sheet ...................................... 7
SECTION 1: SAFETY ....................................... 9
Safety Instructions for Machinery .................. 9
Additional Safety for Milling Machines ......... 11
SECTION 2: POWER SUPPLY ...................... 12
Availability .................................................. 12
Full-Load Current Rating ........................... 12
Circuit Requirements for 220V .................. 12
Grounding Instructions .............................. 13
Extension Cords ........................................ 13
SECTION 3: SETUP ....................................... 14
Needed for Setup ......................................... 14
Unpacking .................................................... 14
Inventory ...................................................... 15
Cleanup ........................................................ 16
Site Considerations ...................................... 17
Lifting & Placing Mill..................................... 18
Leveling ........................................................ 19
Anchoring to Floor ....................................... 19
Anchoring to Concrete Floors .................... 19
Assembly ..................................................... 20
Power Connection........................................ 22
Test Run ...................................................... 23
Test Run the Mill ....................................... 23
Test Run X- & Y-Axis Power Feeds .......... 25
Spindle Bearing Break-In ............................. 26
Recommended Adjustments ........................ 26
SECTION 4: OPERATIONS ........................... 27
Operation Overview ..................................... 27
Basic Controls .............................................. 28
Master Power Switch ................................. 28
Control Panel ............................................. 28
Work Lamp & Coolant Valve ..................... 28
Spindle Brake Lever .................................. 28
Table Movement .......................................... 29
Digital Readout .......................................... 29
Locks ......................................................... 29
X- & Y-Axis Power Feeds .......................... 30
Z-Axis Crank & Power Feed ...................... 31
Head Movement........................................... 32

Table of Contents

Tilting the Head ......................................... 32
Rotating the Head ..................................... 33
Ram Movement............................................ 33
Moving Ram Back & Forth ........................ 33
Rotating the Ram ...................................... 34
Spindle Speed.............................................. 34
Determining Spindle Speed ....................... 34
Adjusting Spindle Speed ........................... 35
Spindle Downfeed ........................................ 36
Downfeed Controls .................................... 36
Coarse Downfeed ...................................... 37
Fine Downfeed .......................................... 37
Auto-Downfeed .......................................... 38
Spindle Brake............................................... 39
Loading/Unloading Tooling .......................... 40
Loading Tooling ......................................... 40
Unloading Tooling ...................................... 40
SECTION 5: ACCESSORIES ......................... 41
SECTION 6: MAINTENANCE ......................... 44
Schedule ...................................................... 44
Ongoing ..................................................... 44
Before Beginning Operations .................... 44
Daily, After Operations .............................. 44
Cleaning & Protecting .................................. 45
Lubrication ................................................... 45
Quill Gearing .............................................. 46
One-Shot Oiler ........................................... 46
Bull Gear .................................................... 46
Ram Ways ................................................. 46
Z-Axis Leadscrew Bevel Gears ................. 47
X- & Z-Axis Power Feed Gears ................. 47
Coolant ......................................................... 48
Hazards ..................................................... 48
Checking/Adding Coolant .......................... 48
Changing Coolant ...................................... 48
Machine Storage .......................................... 49
SECTION 7: SERVICE ................................... 50
Troubleshooting ........................................... 50
Motor & Electrical ...................................... 50
Operation ................................................... 51
Adjusting Gibs .............................................. 52
Adjusting Backlash....................................... 53
Tramming Spindle ........................................ 54