ICS Cut-Off Saw User Guide: Chain Life

 

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Factors Affecting Chain Life:
All of the following factors can negatively affect chain life:

Steel Reinforcing...many pieces or large diameter rebar causes reduced life.
Aggregate Hardness...harder aggregates cause reduced life.
Operator Experience...first time users generally get less chain life.

Cutting Tips to Improve Chain life:

Use minimum 20 psi water pressure.
Always cut at full throttle. Slowly plunge straight into wall. Push hard enough to cause the RPM's to drop by 25-30%. Always apply STEADY feed force.
SLOWLY rock the bar and chain in the cut using Wallwalker® as pry point.
Reduce arm motions. Hold saw close to body and use legs and body to apply feed force. Always cut between shoulders and knees, preferably at waist high.
If the saw begins to drift off the intended cut line, pull out and restart the cut.

Inch-Foot Definition

An in-ft is how professional concrete cutters measure chain or blade life.
An in-ft is defined as: DEPTH of cut in inches times LENGTH of cut in feet.
1 sq-ft = 12 in-ft = 144 sq-in
1 sq-m = 129 in-ft

Example: Determine how many in-ft are in this doorway:

  1. Determine the depth of the cut in inches.
    For this example, 8 inches.
  2. Determine the length of the cut in feet.
    3 + 7 + 3 + 7 = 20 feet
  3. Multiply the two numbers.
    8 in x 20 ft = 160 in-ft



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