Table of Contents

INTRODUCTION

3

Machine Description

3

Contact Info

3

Manual Accuracy

3

Front View Identification

4

Model G0747 Headstock Identification

5

Model G0748 Headstock Identification

6

G0747 Machine Data Sheet

7

G0748 Machine Data Sheet

9

SECTION 1: SAFETY

11

Safety Instructions for Machinery

11

Additional Safety for Milling Machines

13

SECTION 4: OPERATIONS

26

Operation Overview

26

Table Movement

27

Graduated Index Rings

27

Table Locks

27

X-Axis Power Feed Identification

28

X-Axis Power Feed Operation

29

Head Movement

29

Tilting Head Forward/Backward

30

Rotating Head Left/Right

30

Ram Movement

31

Moving Ram Forward/Backward

31

Rotating Ram

31

SECTION 2: POWER SUPPLY

14

Availability

14

Full-Load Current Rating

14

Circuit Requirements for 220V

14

Grounding Instructions

15

Extension Cords

15

SECTION 3: SETUP

16

Unpacking

16

Needed for Setup

16

Inventory

17

Cleanup

18

Site Considerations

19

Lifting & Placing

20

Leveling & Mounting

21

Leveling

21

Bolting to Concrete Floors

21

Machine Mounts

21

Assembly

22

Initial Lubrication

22

Test Run

23

Mill Test Run

23

Power Feed Test Run

24

Spindle Break-In

25

Inspections & Adjustments

25

Spindle Speed

32

Determining Spindle Speed

32

Setting Model G0747 Spindle Speed

33

Setting Model G0748 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

43

Schedule

43

Ongoing

43

Before Beginning Operations

43

Daily, After Operations

43

Cleaning & Protecting

43

Lubrication

44

Quill

44

Table Ways (One-Shot Oiler)

45

Headstock Gearing

45

Ram Ways

46

Head Tilt & Ram Pinions

46

Table Elevation Leadscrew

46

Power Feed Gears

47

Machine Storage

48

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Grizzly g0748, g0747 owner manual Table of Contents