Myford ML7-R - User Manual

Gearboxes supplied for
subsequent fitting only Far M
L7 lathes prior to K125240 and
Super 7 lathes prior to
SK124461 instead of screws
267 (paragraphs 9, 11S and
11M also parts list) use 1/2"
B.S.F. x 3/4". If far your
machine you need the 1/4"
B.S.F. screws, return the metric
screws to us for exchange.
No. 712V
QUICK CHANGE
GEARBOX
Nos
,
1480
(
ML7
)
and 1680
(
ML7-R
)
and Su
p
er 7
)
INSTRUCTIONS FOR
INSTALLATION AND OPERATION
WITH
PICTORIAL PARTS LIST
Myford Ltd, Wilmot Lane, Chilwell Road, Beeston, Nottingham NG9 I
ER Telephone: 01 15 925 4222 • Fax: 01 15 943 1299 email address:
Myford@btinternet.com

Summary

Cautionary Notes

General Safety Warnings

Gearbox Operation

Operating Procedures

Explanation of how to operate the Quick Change Gearbox for various threads and feeds.

Gearbox Controls

Important Operation Notes

Control Mechanism Details

Selector and Lever Operation

Gearbox Installation

Installation Critical Warnings

Essential safety and operational checks during gearbox installation for proper function and damage avoidance.

Freedom of Rotation Checks

Procedure to verify that the leadscrew and input drive gearing rotate freely after installation.

Fitting Instructions and Lathe Preparation

Lathe Preparation Steps

Steps to prepare the lathe, including removing parts and making adjustments for installation.

ML7 Lathe Fitting Adjustments

Specific fitting instructions and adjustments for ML7 lathe models.

Gearbox Attachment Preparation

Drilling Template Usage

Gearbox Mounting Procedure

Steps for mounting the gearbox onto the lathe bed using caphead screws.

Leadscrew and Gearbox Alignment

Leadscrew Insertion and Clasp Nut Engagement

Procedure for inserting the leadscrew and engaging the clasp nut.

Leadscrew Bracket and Gear Positioning

Mounting the leadscrew bracket and positioning the leadscrew gear.

Leadscrew Length Adjustment

Final Assembly and Checks

Leadscrew and Bracket Securing

Gearbox Alignment Verification

Final Assembly Steps

Lubrication and Final Checks

Replacement Parts Ordering

Myford ML7-R Specifications

General

Type	Lathe
Motor Power	0.5 hp (0.37 kW)
Weight	330 lbs (150 kg)
Swing Over Bed	7 in (178 mm)
Spindle Bore	0.75 inches