Product Manual
Table Of Contents
- Variable Speed Mill-Drill Machines
- 1.0 IMPORTANT SAFETY INSTRUCTIONS
- 2.0 Table of contents
- 3.0 About this manual
- 4.0 Specifications
- 5.0 Setup and assembly
- 6.0 Electrical connections
- 7.0 Adjustments
- 8.0 Operation
- 9.0 User-maintenance
- 10.0 Troubleshooting JMD-45VS series Mill-Drills
- 11.0 Optional accessory
- 12.0 Replacement Parts
- 12.1.1 JMD-45VSPF, -45VSPFT Table and Base Assembly – Exploded View
- 12.1.2 JMD-45VSPF, -45VSPFT Table and Base Assembly – Parts List
- 12.2.1 JMD-45VSPF, -45VSPFT Column Assembly – Exploded View
- 12.2.2 JMD-45VSPF, -45VSPFT Column Assembly – Parts List
- 12.3.1 JMD-45VSPF, -45VSPFT Gear Head Assembly – Exploded View
- 12.3.2 JMD-45VSPF, -45VSPFT Gear Head Assembly – Parts List
- 12.4.1 JMD-45VSPFT Tapping Assembly – Exploded View
- 12.4.2 JMD-45VSPFT Tapping Assembly – Parts List
- 12.5.1 JMD-45VSPF, -45VSPFT Gears Assembly – Exploded View
- 12.5.2 JMD-45VSPF, -45VSPFT Gears Assembly – Exploded View
- 12.6.1 JMD-45VSPF Electric Box Assembly – Exploded View
- 12.6.2 JMD-45VSPF Electric Box Assembly – Parts List
- 12.7.1 JMD-45VSPFT Electric Box Assembly – Exploded View
- 12.7.2 JMD-45VSPFT Electric Box Assembly – Parts List
- 13.0 Electrical Connections, JMD-45VSPF series
- 14.0 Warranty and service
17
Symptom Possible Cause Correction*
Fine feed not smooth,
or won’t engage
properly.
Fine feed handwheel loose. Tighten set screw.
Improper worm gear engagement. Replace worm gear elements as needed.
Excessive vibration or
noise.
Loose motor fan. Inspect and tighten.
Spindle improperly lubricated. Maintain proper machine lubrication.
Gear not properly meshed. Manually rotate spindle while selecting
gear/speed range to ensure proper mesh.
Spindle runout or loosening due to
bearing misadjustment or failure.
Inspect spindle elements, such as
bearings and lock nuts; adjust or replace.
Motor imbalance. Repair or replace motor.
Drill or cutter overheats
or burns workpiece.
Dull cutting tool. Sharpen or replace.
Insufficient feed rate. Increase feed rate. Consult machinery
handbook for proper speeds and feed
rates for specific materials.
Excessive spindle speed. Reduce speed. Consult machinery
handbook for proper speeds and feed
rates for specific materials.
Tool rotation incorrect. Reverse rotation.
Chips not clearing. Adjust speed or feed rate to allow proper
clearing.
Failure to use cutting lubricant. Use proper lubricant for material being cut.
Drill bit wanders. No drill spot. Center punch or center drill workpiece.
Improper geometry of cutting edges. Regrind drill bit or replace.
Spindle or quill loose, or play in
bearings.
Inspect and adjust.
Excessive wobble/
runout in drill.
Improper chucking of bit. Properly reinsert drill bit in chuck.
Drill bent. Replace.
Play in spindle bearings. Inspect and adjust.
*Warning: Some corrections may require a qualified electrician.
11.0 Optional accessory
An optional enclosed stand (p/n 350045) is available
for your JET Mill-Drill Machine. Contact your dealer
or visit our website for more information.
Figure 9-1: optional stand
12.0 Replacement Parts
Replacement parts are listed on the following
pages. To order parts or reach our service
department, call 1-800-274-6848 Monday through
Friday, 8:00 a.m. to 5:00 p.m. CST. Having the
Model Number and Serial Number of your machine
available when you call will allow us to serve you
quickly and accurately.
Non-proprietary parts, such as fasteners, can be
found at local hardware stores, or may be ordered
from JET.
Some parts are shown for reference only, and may
not be available individually.