Page 29 - Amsco 2023 Catalog

SaSh Support SyStemS

60A AND 60AX SERIES - THE INVISIBLE BALANCE

The Invisible Balance has been used for over 25 years, primarily for wood windows. They are an excellent choice for historic window
renovations, eliminating exposed hardware and maintaining the original window appearance. This product is the favorite of the custom
millwork industry when jambliner aesthetics are not acceptable.

ORDERING INFORMATION:
1) Measure metal channel length. NOTE: If you have any unusual number/letter variations that are not shown in
2) Check number stamped on channel. (e.g. 101 or 101A or 101AX etc.) the chart, please consult your representative to be sure that your order will be
3) Select our corresponding part numbers from the chart on following page filled correctly.
and order accordingly.
4) Additional cord lengths are available: for 10" add "A" after part number, NOTE: With the 60A and 60AX series take out system, the sash balance
5" add "B" and 8" add "C". Contact your account manager for other variations. becomes part of the sash. Therefore, when calculating sash weights, you
must add the physical balance weight to the sash weights.

Window Sash
(Typical Application)
For "A" type balance make plough in sash 5/8" wide X 1" deep.

Non-Countersunk For "AX" type balance make plough in sash 5/8" wide X 1-1/8"
Mounting Holes deep to accommodate double spring.

Manufactured
Standard Attaching In-House!
Clip #900-17773

.080" Dacron Cord
Either Die Cast or Plastic Pulley System
Closed Channel Side
Toward Window Sash

Refer to chart on following page.

SERIES A/AX BALANCE INSTALLATION
• Both "A" and "AX" balances are designed to counterbalance certain weights, regardless of the thickness of the sash. Do not overload.
• For odd height glass use the next smaller balance.
• When ploughing for over 36" glass height start at bottom of each sash, as always, and make groove the same length as you do for 36"
glass leaving extra wood at top of stiles.

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© 2023 PGI.