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covington 1100 Series User Manual

covington 1100 Series
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715 West Colton Avenue
Redlands, CA 92374
Toll Free: (877) 793-6636 US Only
Phone: (909) 793-6636
FAX: (909) 793-7641
Email: sales@covington-engineering
Covington Engineering Corp. © 2013
1
COMBINATION SLAB & TRIM SAW INSTRUCTIONS
12”, 14”, & 16” MODELS
DESCRIPTION
Covington’s Combination Trim & Slab Saws are similar in
design with different blade and pulley sizes. Sawing
operations remain the same.
These ruggedly built, fully enclosed units are constructed of
heavy gauge welded steel and feature an inspection window in
the hood. Separately welded inner frame eliminates warp.
One-piece vise carriage, mounted on ¾” steel rod and L way
guide, provides the rigidity necessary for fast cuts with heavy
loads. Vise carriage moves silently on way guide. A quick
return split clip allows the carriage to be manually returned to
any position.
Weight feed action for slabbing utilizes a scale, cord, and
weights fastened to vise. Deluxe power feed models with
overrunning clutch and cut-off switch are available.
The cross feed permits 4” of material to be slabbed without
reclamping. One turn of the spin knob moves the vise
crosswise 1/16” and can produce 10-12 uniform slabs. The
precision 5/8” arbor ball bearings are heavy duty, double
neoprene sealed, and greased for life.
Accessories include operating instructions, motor mount,
drop-in trim table, plastic window, slab-catcher, weight feed
scale, and cord.
INSTALLATION
Safety: Before plugging saw unit into an electrical supply read the Covington Safety Demands
sheet.
Saw Level: Place the portable saw on a sturdy platform or table and make sure the saw is level.
The optional leg stand features a leveling bolt on one leg; adjust the bolt to level saw.
Blade Mounting: The flange must fit snugly and evenly against the blade. Make sure there is no
dirt between the flanges and the blade as this may cause misalignment and warping. Note: New
blades may need to be dressed prior to cutting.
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covington 1100 Series Specifications

General IconGeneral
Brandcovington
Model1100 Series
CategoryPower Tool
LanguageEnglish

Summary

DESCRIPTION

Combination Trim & Slab Saws

Details the similarity in design and operation of Covington's Trim & Slab Saws.

Construction and Features

Highlights rugged construction, enclosed unit, inspection window, and carriage rigidity.

Weight Feed Action

Explains the mechanism for slabbing using scales, cords, and weights.

Cross Feed Capability

Describes the 4-inch cross feed and its precision for uniform slab cutting.

Included Accessories

Lists items included with the saw, such as instructions, motor mount, and slab-catcher.

INSTALLATION

Safety First

Advises reading the Covington Safety Demands sheet before plugging in the unit.

Ensuring Saw Level

Instructions on placing the saw on a stable surface and using leveling bolts if applicable.

Blade Mounting Procedure

Guidance on mounting the blade, ensuring a snug fit and checking for dirt between flanges.

Blade Alignment Check

Procedure to measure and ensure the blade is properly aligned with the saw table.

Koolerant Mixture and Use

Details on using koolerant for diamond saw blades and recommended mixtures for different rock hardness.

MAINTENANCE

Lubrication Guidelines

Specifies parts to grease for rust prevention, excluding arbor bearings and motor.

Blade Sharpening

Recommends sharpening the blade using a dressing block or brick and reversing periodically.

PREPARATION

Loading the Vise

Instructions for securing rock material in the vise, using wedges if necessary.

Rigid Grip Vise Operation

Detailed steps for opening and tightening the vise jaws for secure material holding.

Weight Feed System Assembly

Guide on assembling the weight feed system using cord, a snubbing ring, and a scale.

Weight Rule for Feeding

Guidance on adding weight to the bucket based on inch of blade contact, up to sixteen pounds.

Weight Feed Slab Operation

Steps for initiating and monitoring cuts using the automatic weight feed system.

Power Feed System

Introduction to the automatic power feed system for rock cutting.

Automatic Cut-Off Feature

Instructions for setting the automatic cut-off feature using a steel collar and thumb screw.

Power Feed Slab Operation

Procedure for setting up and running cuts using the power feed system.

TRIM OPERATION

Instructions for setting up the trim table and adjusting the cross feed for trimming.

TRIMMING GUIDELINES

Caution Against Weight Feed

Warning against using weight feed for trimming to avoid blade damage.

Trimming Rough Material

Techniques for trimming small, rough gem material safely and effectively.

Trimming Slabs

Methods for trimming pre-cut slabs, including marking and angled cuts.

HELPFUL HINTS & HARMFUL ERRORS

Vise Clamping Tips

Advice on clamping rock for cutting, maximizing cuts per clamping.

Common Mistakes

Identifies forcing the blade too fast as a common error leading to blade damage.

Preventative Measures

Recommendations for blade alignment, bearing checks, koolerant, and dressing the blade.

POWERFEED

Automatic Clutch Function

Explains how the automatic clutch prevents blade damage from excessive backpressure.

Clutch Adjustment

Procedure for adjusting the clutch lock nut to set the desired overrun point.

Blade and Power Feed Speeds

Table detailing estimated power feed speed, blade size, pulley sizes, blade RPM, and SFPM.