AMT 4121 User Manual

... ..-- -- 6 INCH JOINTER PLANE- -'
'----- ___________ Model 4121
owners
manual
•
assembly
•
operating
•
repair parts
CAUTION:
Read SAFETY
RULES and
INSTRUCTIONS
carefully
Your new 6" Long Bed Jointer is a precision-engi-
neered tool incorporating all the advanced features
that have been asked
for by cabinet makers, carpen-
ters, maintenance men, pattern makers, school shop
instructors , farmers and dozens of other users. It is
designed to satisfy the great demand for a high
quality jointer at a relatively low cost.
@
With the jo inte r-planer you can make cuts for doors,
window frames, and table drawers and accurate glue
joints. It will make square taper cuts for chair legs,
will do extremely accurate beveling, and trimming,
will remove warps and smooth rough edges on 51 :k
up to 6" wide.
SAFETY RULES FOR JOINTER - PLANER
Safety is a combination of operator common sense
and a
ler tness at all times when the Jointer-Planer is
being used.
1. Wear eye protection .
2. Never pe rform jointing or planing operation with
cutter head or drive guard removed.
3. Never make jointing or planing cut deeper than
1/8 inch.
4. Always use hold-down/push blocks for jointing
material narrower than 3 inches, or planing
material thinner than 3 inches.
5. Do not perform jointing operations on material
shorter than (a dimension equal to the culler
head length plus 2 inches), narrower than 3/4
inch, or less than 1/4 inch thick.
6. Do not perform planing oper<.tic'll4
shorter than (a dimension
length plus 2 inches), na'~~;~~~~It~
wider than (the cutter
thinner than 1/2 inch .
7.
Maintain the proper relation~h,jp~:~
outfeed table surfaces
path.
8.
Support the work piece adeQuately at alii I , ~~:~ ~
during operation; maintain control of the ~
all times.
9. Do not back the work toward the infeed table_
10. Do not attempt to perform an abnormal or IUU.
used operation without study and the use of.,.
adequate hold-down/push blocks , jigs, fixtures,
stops, and the like.

AMT 4121 Specifications

General

Brand	AMT
Model	4121
Category	Power Tool
Language	English

Summary

Safety Rules for Jointer - Planer

Essential Safety Precautions

Covers guards, cut depth, material handling limits, and operation restrictions.

Workpiece Control and Risk Avoidance

Emphasizes supporting work, maintaining control, and avoiding complacency.

General Safety Rules for Power Tools

Tool Familiarization and Grounding

Stresses reading the manual, understanding grounding, and safe electrical practices.

Work Area, Personal, and Tool Safety

Covers work area cleanliness, child safety, proper attire, and tool usage.

Continued Safety and Motor Setup

Safe Handling, Disconnection, and Inspection

Safe practices for power tools, including disconnection, starting, and part checks.

Motor Requirements and Speed Specifications

Fence and Table Adjustments

Jointer Operation Fundamentals

Fine-Tuning Tables and Safe Feeding Methods

Jointing Techniques for Edges and Warped Pieces

Advanced Jointing and Cutterhead Maintenance

Knife Whettering and Cutterhead Repairs

Blade Care and Machine Maintenance